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      Form S-8 for Supplemental Deferred Compensation Plan
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>As
      filed
      with the Securities and Exchange Commission on March 23,
      2007</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="right">&#160;</div>
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      No. 333-
&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</strong></font></div>
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      STATES</strong></font></div>
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      AND EXCHANGE COMMISSION</strong></font></div>
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      D.C. 20549</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="FONT-FAMILY: Arial" size="2"><img src="catlogo.jpg" alt=""></font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Arial"><strong>FORM
      S-8</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>REGISTRATION
      STATEMENT UNDER </strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>THE
      SECURITIES ACT OF 1933</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Arial"><strong>CATERPILLAR
      INC.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(Exact
      Name of
      Registrant as Specified in Its Charter)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 40pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong><u>Delaware</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 40pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(State
                of
                Incorporation)</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 30pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong><u>37-0602744</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 30pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: -18pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(IRS
                Employer
                Identification No.)</font></div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="39%">
            </td>
            <td valign="top" width="39%">&#160;</td>
          </tr>
          <tr>
            <td colspan="2" valign="top" width="79%">
              <div style="DISPLAY: block; MARGIN-LEFT: 35pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong><u>100
                NE Adams Street</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 35pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong><u>Peoria,
                Illinois 61629</u></strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 40pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(Address
                of
                Principal Executive Offices)</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td colspan="2" valign="top" width="79%">
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 40pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 36pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Arial"><strong>Caterpillar
      Inc. Supplemental Deferred Compensation Plan</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(Full
      Title of the
      Plan)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>James
      B.
      Buda</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Vice
      President, Secretary and General Counsel</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Caterpillar
      Inc.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>100
      NE
      Adams Street</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Peoria,
      Illinois 61629-7310</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(309)
      675-4429</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 30pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 27.35pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(Name,
      Address and
      Telephone Number, Including Area Code, of Agent for Service)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 30pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 27.35pt" align="center">&#160;</div>
    <div>
      <table border="1" bordercolor="silver" cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td colspan="5" valign="bottom" width="84%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
                <hr style="COLOR: black" align="left" noshade size="4" width="100%">
              </div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>CALCULATION
                OF REGISTRATION FEE</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td valign="bottom" width="24%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Title
                of securities to be registered</strong></font></div>
            </td>
            <td valign="bottom" width="11%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Amount
                to be</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>registered</strong></font></div>
            </td>
            <td valign="bottom" width="17%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Proposed
                maximum</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>offering
                price per share</strong></font></div>
            </td>
            <td valign="bottom" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Proposed
                maximum</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>aggregate
                offering price</strong></font></div>
            </td>
            <td valign="bottom" width="13%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Amount
                of</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>registration
                fee</strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><sup><strong>(2)</strong></sup></font></div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="24%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="11%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="17%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="19%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="13%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
          </tr>
          <tr>
            <td align="left" valign="bottom" width="24%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Deferred
                Compensation Obligations</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><sup>(1)</sup></font></div>
            </td>
            <td valign="bottom" width="11%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">$150,000,000</font></div>
            </td>
            <td valign="bottom" width="17%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">N/A</font></div>
            </td>
            <td valign="bottom" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">$150,000,000</font></div>
            </td>
            <td valign="bottom" width="13%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">$4,605.00</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><sup>(2)</sup></font></div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="24%">
            </td>
            <td valign="top" width="11%">
            </td>
            <td valign="top" width="17%">
            </td>
            <td valign="top" width="19%">
            </td>
            <td valign="top" width="13%">
            </td>
          </tr>
          <tr>
            <td align="left" colspan="5" valign="top" width="84%">
              <div style="DISPLAY: block; MARGIN-LEFT: 15pt; TEXT-INDENT: -15pt; LINE-HEIGHT: 1.5; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial"><sup>(1)</sup>&#160;
                The Deferred Compensation Obligations being registered are unsecured
                obligations of Caterpillar Inc. to pay deferred compensation in the
                future
                in accordance with the terms and conditions of the Caterpillar Inc.
                Supplemental Deferred Compensation Plan, as may be amended from time
                to
                time.</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" colspan="5" valign="top" width="84%">
              <div style="DISPLAY: block; MARGIN-LEFT: 15pt; TEXT-INDENT: -15pt; LINE-HEIGHT: 1.5; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial"><sup>(2)</sup>&#160;
                Computed pursuant to Rule 457(h) under the Securities Act of 1933,
                as
                amended, solely for calculating the registration fee.</font></div>
            </td>
          </tr>
          <tr>
            <td colspan="5" valign="top" width="84%">
              <hr style="COLOR: black" noshade size="4" width="100%">
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 27.35pt" align="left"><br></div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>PART
      I</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>INFORMATION
      REQUIRED IN THE SECTION 10(a) PROSPECTUS</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      1.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Plan
      Information.*</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      2.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Registrant
      Information and Employee Plan Annual Information.*</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">*As
      permitted by
      Rule 428 under the Securities Act of 1933, as amended (the &#8220;Securities Act&#8221;),
      this Registration Statement omits the information specified in Part I of Form
      S-8. The documents containing the information specified in Part I will be
      delivered to Plan participants as required by Rule 428(b). Such documents are
      not being filed with the Securities and Exchange Commission (the &#8220;Commission&#8221;)
      as part of this Registration Statement or as prospectuses or prospectus
      supplements pursuant to Rule 424(b) under the Securities Act.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>PART
      II</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>INFORMATION
      REQUIRED IN THE REGISTRATION STATEMENT</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
        3.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Incorporation
        of Documents by Reference.</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
        following
        documents have been filed by Caterpillar Inc. (&#8220;Caterpillar,&#8221; the &#8220;Registrant&#8221;
or the &#8220;Company&#8221;) with the Commission pursuant to the Securities Exchange Act of
        1934, as amended (the &#8220;Exchange Act&#8221;) and are hereby incorporated by reference
        in this Registration Statement:</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 5pt; TEXT-INDENT: -5pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(a)</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Caterpillar&#8217;s
        Annual Report on Form 10-K (File No. 1-768) for the fiscal year ended
</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">December
        31,
        2006,&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">filed
        with the
        Commission on February&#160;23, 2007;</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 5pt; TEXT-INDENT: -5pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(b)</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Caterpillar&#8217;s
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
        </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">January
        3,
        2007.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 5pt; TEXT-INDENT: -5pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(c)</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Caterpillar&#8217;s
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
        </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">February
        12,
        2007.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 5pt; TEXT-INDENT: -5pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(d)</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Caterpillar&#8217;s
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">February
        15,
        2007.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 5pt; TEXT-INDENT: -5pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(e)</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Caterpillar&#8217;s
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
        </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">February
        15,
        2007.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    </div>
    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">In
      addition, all
      documents subsequently filed by the Company with the Commission pursuant to
      Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act and prior to the filing
      of a post-effective amendment which indicates that all securities offered hereby
      have been sold or which deregisters all securities then remaining unsold, shall
      be deemed to be incorporated by reference in this Registration Statement and
      to
      be a part hereof from the date of filing of such documents. Any statement
      contained in a document, all or a portion of which is incorporated or deemed
      to
      be incorporated by reference herein, shall be deemed to be modified or
      superseded for purposes of this Registration Statement to the extent that a
      statement contained herein (or in any other subsequently filed document which
      also is or is deemed to be incorporated by reference herein) modifies or
      supersedes such statement. Any such statement so modified or superseded shall
      not be deemed, except as so modified or superseded, to constitute a part of
      this
      Registration Statement.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      4.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Description
      of Securities.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      deferred
      compensation obligations being registered under this Registration Statement
      (the
&#8220;Deferred Compensation Obligations&#8221;) are issuable under the terms of the
      Caterpillar Inc. Supplemental Deferred Compensation Plan (the &#8220;Plan&#8221;). The
      Deferred Compensation Obligations represent obligations of Caterpillar to pay
      participants in the Plan certain compensation amounts in the future that that
      have been credited to a participant&#8217;s bookkeeping account or deferred by a
      participant under the Plan. Participating employers are Caterpillar and certain
      affiliated companies who have adopted the Plan.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;

      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Page
        2</font></div>
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">
        <hr style="COLOR: silver" align="left" noshade size="2" width="100%">
      </div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      Plan is
      intended to be an unfunded plan maintained primarily for the purpose of
      providing additional income deferral and investment opportunities to a select
      group of management and other highly compensated employees who participate
      in
      the Caterpillar 401(k) Plan. The Deferred Compensation Obligations are payable
      in cash following certain specified events permitted in accordance with Internal
      Revenue Code Section 409A.&#160; Participants can elect to receive payment in
      either a lump sum or in quarterly, semi-annual or annual installments over
      a
      certain term. If no such election is made, payment will be made in a lump
      sum.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
        obligation to
        pay the vested balance of a Plan participant&#8217;s account shall at all times be an
        unfunded and unsecured obligation of Caterpillar (or the participating employer,
        as applicable) and rank </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>pari
        passu</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">
        with other
        unsecured and unsubordinated indebtedness of Caterpillar (or the participating
        employer, as applicable) (even if Caterpillar establishes a &#8220;rabbi trust&#8221;). The
        Deferred Compensation Obligations are not convertible into any other security
        of
        Caterpillar or any participating employer. Benefits are payable solely from
        Caterpillar&#8217;s (or the participating employer&#8217;s, as applicable) general funds and
        are subject to the risk of corporate insolvency. </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Participants
        will
        not have any interest in any particular assets of Caterpillar by reason of
        any
        obligation created under the Plan. Nothing in the Plan creates or may be
        construed as creating a trust of any kind or any other fiduciary relationship
        between Caterpillar, a participating employer and a participant or any other
        person, and each participant (or person claiming through him or her) will
        be
        responsible for enforcing his or her own rights with respect to the Deferred
        Compensation Obligations.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">A
      participant&#8217;s or
      beneficiary&#8217;s rights to the Deferred Compensation Obligations cannot be sold,
      transferred, assigned, pledged or otherwise alienated or encumbered except
      that
      a participant may make a written designation of a beneficiary to receive such
      deferred amounts upon his or her death pursuant to the terms of the Plan. Any
      attempt to sell, transfer, assign, pledge or encumber the Deferred Compensation
      Obligations will be void.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      amount of
      compensation to be credited to the account of or deferred by each participant
      is
      determined in accordance with the terms of the Plan and will be based on
      elections by the participant and certain amounts credited by a participating
      employer. Amounts in a participant&#8217;s bookkeeping account under the Plan will be
      indexed to one or more hypothetical or &#8220;deemed&#8221; investment media individually
      chosen by a participant from the hypothetical investment funds available under
      the Plan. Each participant&#8217;s account will be adjusted to reflect the investment
      performance of the selected investment fund(s), including any appreciation
      or
      depreciation. Amounts credited to the account of or deferred by the
      participants, as applicable, will be fully vested (</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>i.e.</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">,
      nonforfeitable).
</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>&#160;</strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">There
      is no trading
      market for the Deferred Compensation Obligations.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      Plan may be
      terminated at any time by Caterpillar. The Plan may be amended at any time,
      in
      whole or in part, by Caterpillar&#8217;s Vice President, Human Services Division,
      acting in consultation with Caterpillar&#8217;s Chairman of the Board of Directors and
      appropriate Group President(s) of Caterpillar (or in consultation with the
      full
      Board of Directors if the Chairman of the Board deems it necessary). Any
      amendment of the Plan will not directly or indirectly reduce the balance of
      any
      participant&#8217;s account as of the effective date of the amendment. </font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      foregoing is a
      brief description of the Deferred Compensation Obligations. The official
      provisions of the Plan are contained in the attached Plan document, which is
      attached as Exhibit 4.1 and is controlling in the event of a
      discrepancy.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      5.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Interests
      of Named Experts and Counsel.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      validity of the
      Deferred Compensation Obligations issuable under the Caterpillar Inc.
      Supplemental Deferred Compensation Plan have been passed upon by Debra Kuper,
      our internal securities counsel. Ms. Kuper does not currently participate in
      the
      Plan, however, she is eligible to participate. Ms. Kuper beneficially owns
      less
      than one percent of the common stock of the Company.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Page
        3</font></div>
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">
        <hr style="COLOR: silver" align="left" noshade size="2" width="100%">
      </div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      6.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Indemnification
      of Directors and Officers.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Section
      145 of the
      General Corporation Law of Delaware authorizes the Company to indemnify its
      directors and officers under specified circumstances. Article V of the Company&#8217;s
      Bylaws provides in effect that the Company shall provide certain indemnification
      to such persons. Article Ninth of the Company&#8217;s Restated Certificate of
      Incorporation provides that a director shall not be liable to the Company or
      its
      stockholders for any breach of fiduciary duty except in certain circumstances.
      The Company has purchased directors&#8217; and officers&#8217; liability insurance in the
      amounts and subject to the conditions set forth in such policies.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      7.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Exemption
      From Registration Claimed.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Not
      applicable.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      8.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Exhibits.</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      following is a
      complete list of exhibits filed as a part of this Registration
      Statement:</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td valign="top" width="16%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><u>Exhibit
                No.</u></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="justify" valign="top" width="64%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><u>Description</u></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="16%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">4.1</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="justify" valign="top" width="64%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Caterpillar
                Inc. Supplemental Deferred Compensation Plan.</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="16%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">5.1</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="justify" valign="top" width="64%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Opinion
                of
                Debra Kuper, Securities Counsel for Caterpillar Inc.</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="16%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">23.1</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="justify" valign="top" width="64%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Consent
                of
                PricewaterhouseCoopers LLP.</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="16%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">23.2</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="justify" valign="top" width="64%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Consent
                of
                Debra Kuper (included in Exhibit 5.1).</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Item
      9.</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 45.4pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Undertakings</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 20pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(a)</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 22pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
      undersigned
      Registrant hereby undertakes:</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td style="width: 45pt;">&#160;</td>
            <td style="width: 35pt;">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(1)</strong></font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">To
                file,
                during any period in which offers or sales are being made, a
                post-effective amendment to this Registration
                Statement:</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td align="right" style="width: 145pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(i)&#160;&#160;</strong></font></td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">to
                include
                any prospectus required by Section 10(a)(3) of the Securities
                Act;</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td align="right" style="width: 145pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(ii)&#160;&#160;</strong></font></td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">to
                reflect in
                the prospectus any facts or events arising after the effective date
                of the
                Registration Statement (or the most recent post-effective amendment
                thereof) which, individually or in the aggregate, represent a fundamental
                change in the information set forth in the Registration Statement;
                or</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td align="right" style="width: 145pt;"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(iii)&#160;&#160;</strong></font></td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">to
                include
                any material information with respect to the plan of distribution
                not
                previously disclosed in the Registration Statement or any material
                change
                to such information in the Registration
                Statement;</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 145pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>provided,
      however</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">,
      that if the
      information required to be included in a post-effective amendment by paragraphs
      (1)(i) and (ii) above is contained in periodic reports filed with or furnished
      to the Commission by the registrant pursuant to Section 13 or Section 15(d)
      of
      the Exchange Act that are incorporated by reference in this Registration
      Statement, paragraphs (1)(i) and (ii) shall not apply.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Page
        4</font></div>
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">
        <hr style="COLOR: silver" align="left" noshade size="2" width="100%">
      </div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td style="width: 45pt;">&#160;</td>
            <td style="width: 35pt;">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(2)</strong></font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">That,
                for the
                purpose of determining any liability under the Securities Act, each
                such
                post-effective amendment shall be deemed to be a new registration
                statement relating to the securities offered therein, and the offering
                of
                such securities at that time shall be deemed to be the initial bona
                fide
                offering thereof; and</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td style="width: 45pt;">&#160;</td>
            <td style="width: 35pt;">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(3)</strong></font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">To
                remove
                from registration by means of a post-effective amendment any of the
                securities being registered which remain unsold at the termination
                of the
                offering.</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td style="width: 20pt;">&#160;</td>
            <td style="width: 25pt;">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(b)</strong></font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
                undersigned Registrant hereby undertakes that, for purposes of determining
                any liability under the Securities Act, each filing of the Registrant&#8217;s
                annual report pursuant to Section 13(a) or Section 15(d) of the Exchange
                Act (and, where applicable, each filing of an employee benefit plan&#8217;s
                annual report pursuant to Section 15(d) of the Exchange Act) that
                is
                incorporated by reference in this Registration Statement shall be
                deemed
                to be a new registration statement relating to the securities offered
                therein, and the offering of such securities at that time shall be
                deemed
                to be the initial bona fide offering
                thereof.</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

          <tr valign="top" style="line-height: 1.25;">
            <td style="width: 20pt;">&#160;</td>
            <td style="width: 25pt;">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(c)</strong></font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Insofar
                as
                indemnification for liabilities arising under the Securities Act
                may be
                permitted to directors, officers and controlling persons of the Registrant
                pursuant to the provisions described under Item 6 above, or otherwise,
                the
                Registrant has been advised that in the opinion of the Commission
                such
                indemnification is against public policy as expressed in the Securities
                Act and is, therefore, unenforceable. In the event that a claim for
                indemnification against such liabilities (other than the payment
                by the
                Registrant of expenses incurred or paid by a director, officer or
                controlling person of the Registrant in the successful defense of
                any
                action, suit or proceeding) is asserted by such director, officer
                or
                controlling person in connection with the securities being registered,
                the
                Registrant will, unless in the opinion of its counsel the matter
                has been
                settled by controlling precedent, submit to a court of appropriate
                jurisdiction the question whether such indemnification by it is against
                public policy as expressed in the Securities Act and will be governed
                by
                the final adjudication of such
                issue.</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Page
        5</font></div>
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">
        <hr style="COLOR: silver" align="left" noshade size="2" width="100%">
      </div>
    </div><br>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td colspan="4" valign="top" width="83%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Form
                S-8 - SIGNATURES</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td align="justify" colspan="4" valign="top" width="83%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Pursuant
                to the requirements of the Securities Act of 1933, as amended, the
                Registrant certifies that it has reasonable grounds to believe that
                it
                meets all the requirements for filing on Form S-8 and has duly caused
                this
                Registration Statement to be signed on its behalf by the undersigned,
                thereunto duly authorized, in the City of Peoria, and the State of
                Illinois.</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="5%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td valign="top" width="38%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>CATERPILLAR
                INC.</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(Registrant)</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
                22,
                2007</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="left" valign="bottom" width="15%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="left" valign="bottom" width="5%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">By:</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="left" valign="bottom" width="38%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>/s/
                James
                B. Buda, Secretary</em></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="25%">&#160;</td>
            <td valign="top" width="15%">&#160;</td>
            <td valign="top" width="5%">&#160;</td>
            <td valign="top" width="38%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="25%">&#160;</td>
            <td valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="5%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
            <td align="left" valign="top" width="38%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">James
                B.
                Buda, </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>Secretary</em></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td align="justify" colspan="5" valign="bottom" width="83%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>Pursuant
                to the requirements of the Securities Act of 1933, this Registration
                Statement has been signed by the following persons in the capacities
                and
                on the dates indicated.</strong></font></div>
            </td>
          </tr>
          <tr>
            <td align="justify" valign="bottom" width="22%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
                22,
                2007</font></div>
            </td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>/s/
                James
                W. Owens</em></font></div>
            </td>
            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Chairman
                of
                the Board, Director </font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">and
                Chief
                Executive Officer</font></div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="22%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td colspan="2" valign="top" width="32%">&#160;</td>
          </tr>
          <tr>
            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
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                Stuart L. Levenick</em></font></div>
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            <td colspan="2" valign="bottom" width="32%">
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            <td valign="top" width="25%">
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            </td>
            <td valign="top" width="4%">&#160;</td>
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            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
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                22,
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            </td>
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                Douglas R. Oberhelman</em></font></div>
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            <td colspan="2" valign="bottom" width="32%">
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            <td valign="top" width="25%">
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            </td>
            <td valign="top" width="4%">&#160;</td>
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            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Douglas
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
                22,
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            </td>
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                Gerald L. Shaheen</em></font></div>
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            <td colspan="2" valign="bottom" width="32%">
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            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td colspan="2" valign="top" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Gerald
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
                22,
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            </td>
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                Gerard R. Vittecoq</em></font></div>
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            <td colspan="2" valign="bottom" width="32%">
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          <tr>
            <td valign="top" width="22%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td colspan="2" valign="top" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Gerard
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
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            </td>
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                Steven H. Wunning</em></font></div>
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">
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            <td valign="top" width="22%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td colspan="2" valign="top" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Steven
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
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            </td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>/s/
                David
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">
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            <td valign="top" width="22%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td colspan="2" valign="top" width="32%">&#160;</td>
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          <tr>
            <td align="left" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(David
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="22%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
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            </td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>/s/
                Bradley M. Halverson</em></font></div>
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">
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            <td valign="top" width="22%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td colspan="2" valign="top" width="32%">&#160;</td>
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            <td align="justify" valign="bottom" width="22%">&#160;</td>
            <td valign="bottom" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Bradley
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            <td align="justify" valign="bottom" width="4%">&#160;</td>
            <td colspan="2" valign="bottom" width="32%">&#160;</td>
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      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Page
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      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">
        <hr style="COLOR: silver" align="left" noshade size="2" width="100%">
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          <tr>
            <td align="left" valign="bottom" width="21%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
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            </td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><em>/s/
                W.
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            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
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            <td valign="top" width="32%">&#160;</td>
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            <td align="justify" valign="top" width="4%">&#160;</td>
            <td valign="bottom" width="32%">&#160;</td>
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          <tr>
            <td align="left" valign="bottom" width="21%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
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            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
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                John
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            <td valign="bottom" width="32%">
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          <tr>
            <td valign="top" width="21%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
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            <td valign="top" width="4%">&#160;</td>
            <td valign="top" width="32%">&#160;</td>
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          <tr>
            <td align="justify" valign="bottom" width="21%">&#160;</td>
            <td valign="top" width="25%">
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            <td align="justify" valign="top" width="4%">&#160;</td>
            <td valign="bottom" width="32%">&#160;</td>
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          <tr>
            <td align="left" valign="bottom" width="21%">
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            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
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                Daniel M. Dickinson</em></font></div>
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            <td valign="bottom" width="32%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Director</font></div>
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          <tr>
            <td valign="top" width="21%">&#160;</td>
            <td valign="top" width="25%">
              <hr style="COLOR: black" noshade size="2" width="100%">
            </td>
            <td valign="top" width="4%">&#160;</td>
            <td valign="top" width="32%">&#160;</td>
          </tr>
          <tr>
            <td align="justify" valign="bottom" width="21%">&#160;</td>
            <td valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Daniel
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            <td align="justify" valign="top" width="4%">&#160;</td>
            <td valign="bottom" width="32%">&#160;</td>
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                Juan
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              <hr style="COLOR: black" noshade size="2" width="100%">
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            <td align="justify" valign="bottom" width="21%">&#160;</td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(William
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            <td align="left" valign="bottom" width="21%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">March
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            <td valign="top" width="21%">&#160;</td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Charles
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
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              <hr style="COLOR: black" noshade size="2" width="100%">
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            <td valign="top" width="32%">&#160;</td>
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            <td align="justify" valign="bottom" width="21%">&#160;</td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>(Edward
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        <hr style="COLOR: silver" align="left" noshade size="2" width="100%">
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          <tr>
            <td valign="top" width="12%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>5.1</strong></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Opinion
                of
                Debra Kuper, Securities Counsel for Caterpillar Inc.</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
          </tr>
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            <td valign="top" width="12%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><strong>23.1</strong></font></div>
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            </td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Consent
                of
                PricewaterhouseCoopers LLP.</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
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            </td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Consent
                of
                Debra Kuper (included in Exhibit 5.1).</font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
            </td>
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[{"type": "S-8", "sequence": "1", "filename": "s8_sdcp.htm", "description": "FORM S-8 FOR SUPPLEMENTAL DEFERRED COMPENSATION PLAN", "secsgml_size_bytes": 120103}]
{"company-data": {"conformed-name": "CATERPILLAR INC", "cik": "0000018230", "assigned-sic": "3531", "irs-number": "370602744", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-141548", "film-number": "07715514"}, "business-address": {"street1": "100 NE ADAMS ST", "city": "PEORIA", "state": "IL", "zip": "61629", "phone": "3096751000"}, "mail-address": {"street1": "100 NE ADAMS ST", "city": "PEORIA", "state": "IL", "zip": "61629"}, "former-company": {"former-conformed-name": "CATERPILLAR TRACTOR CO", "date-changed": "19860623"}}
Form S-8 for Supplemental Deferred Compensation Plan
As
      filed
      with the Securities and Exchange Commission on March 23,
      2007
Registration
      No. 333-
UNITED
      STATES
SECURITIES
      AND EXCHANGE COMMISSION
WASHINGTON,
      D.C. 20549
FORM
      S-8
REGISTRATION
      STATEMENT UNDER
THE
      SECURITIES ACT OF 1933
CATERPILLAR
      INC.
(Exact
      Name of
      Registrant as Specified in Its Charter)
Delaware
(State
                of
                Incorporation)
37-0602744
(IRS
                Employer
                Identification No.)
100
                NE Adams Street
Peoria,
                Illinois 61629
(Address
                of
                Principal Executive Offices)
Caterpillar
      Inc. Supplemental Deferred Compensation Plan
(Full
      Title of the
      Plan)
James
      B.
      Buda
Vice
      President, Secretary and General Counsel
Caterpillar
      Inc.
100
      NE
      Adams Street
Peoria,
      Illinois 61629-7310
(309)
      675-4429
(Name,
      Address and
      Telephone Number, Including Area Code, of Agent for Service)
CALCULATION
                OF REGISTRATION FEE
Title
                of securities to be registered
Amount
                to be
registered
Proposed
                maximum
offering
                price per share
Proposed
                maximum
aggregate
                offering price
Amount
                of
registration
                fee
(2)
Deferred
                Compensation Obligations
(1)
$150,000,000
N/A
$150,000,000
$4,605.00
(2)
(1)
The Deferred Compensation Obligations being registered are unsecured
                obligations of Caterpillar Inc. to pay deferred compensation in the
                future
                in accordance with the terms and conditions of the Caterpillar Inc.
                Supplemental Deferred Compensation Plan, as may be amended from time
                to
                time.
(2)
Computed pursuant to Rule 457(h) under the Securities Act of 1933,
                as
                amended, solely for calculating the registration fee.
PART
      I
INFORMATION
      REQUIRED IN THE SECTION 10(a) PROSPECTUS
Item
      1.
Plan
      Information.*
Item
      2.
Registrant
      Information and Employee Plan Annual Information.*
*As
      permitted by
      Rule 428 under the Securities Act of 1933, as amended (the "Securities Act"),
      this Registration Statement omits the information specified in Part I of Form
      S-8. The documents containing the information specified in Part I will be
      delivered to Plan participants as required by Rule 428(b). Such documents are
      not being filed with the Securities and Exchange Commission (the "Commission")
      as part of this Registration Statement or as prospectuses or prospectus
      supplements pursuant to Rule 424(b) under the Securities Act.
PART
      II
INFORMATION
      REQUIRED IN THE REGISTRATION STATEMENT
Item
        3.
Incorporation
        of Documents by Reference.
The
        following
        documents have been filed by Caterpillar Inc. ("Caterpillar," the "Registrant"
or the "Company") with the Commission pursuant to the Securities Exchange Act of
        1934, as amended (the "Exchange Act") and are hereby incorporated by reference
        in this Registration Statement:
(a)
Caterpillar's
        Annual Report on Form 10-K (File No. 1-768) for the fiscal year ended
December
        31,
        2006,
filed
        with the
        Commission on February 23, 2007;
(b)
Caterpillar's
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
January
        3,
        2007.
(c)
Caterpillar's
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
February
        12,
        2007.
(d)
Caterpillar's
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
February
        15,
        2007.
(e)
Caterpillar's
        Current Report on Form 8-K (File No. 1-768) filed with the Commission on
February
        15,
        2007.
In
      addition, all
      documents subsequently filed by the Company with the Commission pursuant to
      Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act and prior to the filing
      of a post-effective amendment which indicates that all securities offered hereby
      have been sold or which deregisters all securities then remaining unsold, shall
      be deemed to be incorporated by reference in this Registration Statement and
      to
      be a part hereof from the date of filing of such documents. Any statement
      contained in a document, all or a portion of which is incorporated or deemed
      to
      be incorporated by reference herein, shall be deemed to be modified or
      superseded for purposes of this Registration Statement to the extent that a
      statement contained herein (or in any other subsequently filed document which
      also is or is deemed to be incorporated by reference herein) modifies or
      supersedes such statement. Any such statement so modified or superseded shall
      not be deemed, except as so modified or superseded, to constitute a part of
      this
      Registration Statement.
Item
      4.
Description
      of Securities.
The
      deferred
      compensation obligations being registered under this Registration Statement
      (the
"Deferred Compensation Obligations") are issuable under the terms of the
      Caterpillar Inc. Supplemental Deferred Compensation Plan (the "Plan"). The
      Deferred Compensation Obligations represent obligations of Caterpillar to pay
      participants in the Plan certain compensation amounts in the future that that
      have been credited to a participant's bookkeeping account or deferred by a
      participant under the Plan. Participating employers are Caterpillar and certain
      affiliated companies who have adopted the Plan.
Page
        2
The
      Plan is
      intended to be an unfunded plan maintained primarily for the purpose of
      providing additional income deferral and investment opportunities to a select
      group of management and other highly compensated employees who participate
      in
      the Caterpillar 401(k) Plan. The Deferred Compensation Obligations are payable
      in cash following certain specified events permitted in accordance with Internal
      Revenue Code Section 409A.  Participants can elect to receive payment in
      either a lump sum or in quarterly, semi-annual or annual installments over
      a
      certain term. If no such election is made, payment will be made in a lump
      sum.
The
        obligation to
        pay the vested balance of a Plan participant's account shall at all times be an
        unfunded and unsecured obligation of Caterpillar (or the participating employer,
        as applicable) and rank
pari
        passu
with other
        unsecured and unsubordinated indebtedness of Caterpillar (or the participating
        employer, as applicable) (even if Caterpillar establishes a "rabbi trust"). The
        Deferred Compensation Obligations are not convertible into any other security
        of
        Caterpillar or any participating employer. Benefits are payable solely from
        Caterpillar's (or the participating employer's, as applicable) general funds and
        are subject to the risk of corporate insolvency.
Participants
        will
        not have any interest in any particular assets of Caterpillar by reason of
        any
        obligation created under the Plan. Nothing in the Plan creates or may be
        construed as creating a trust of any kind or any other fiduciary relationship
        between Caterpillar, a participating employer and a participant or any other
        person, and each participant (or person claiming through him or her) will
        be
        responsible for enforcing his or her own rights with respect to the Deferred
        Compensation Obligations.
A
      participant's or
      beneficiary's rights to the Deferred Compensation Obligations cannot be sold,
      transferred, assigned, pledged or otherwise alienated or encumbered except
      that
      a participant may make a written designation of a beneficiary to receive such
      deferred amounts upon his or her death pursuant to the terms of the Plan. Any
      attempt to sell, transfer, assign, pledge or encumber the Deferred Compensation
      Obligations will be void.
The
      amount of
      compensation to be credited to the account of or deferred by each participant
      is
      determined in accordance with the terms of the Plan and will be based on
      elections by the participant and certain amounts credited by a participating
      employer. Amounts in a participant's bookkeeping account under the Plan will be
      indexed to one or more hypothetical or "deemed" investment media individually
      chosen by a participant from the hypothetical investment funds available under
      the Plan. Each participant's account will be adjusted to reflect the investment
      performance of the selected investment fund(s), including any appreciation
      or
      depreciation. Amounts credited to the account of or deferred by the
      participants, as applicable, will be fully vested (
i.e.
,
      nonforfeitable).
There
      is no trading
      market for the Deferred Compensation Obligations.
The
      Plan may be
      terminated at any time by Caterpillar. The Plan may be amended at any time,
      in
      whole or in part, by Caterpillar's Vice President, Human Services Division,
      acting in consultation with Caterpillar's Chairman of the Board of Directors and
      appropriate Group President(s) of Caterpillar (or in consultation with the
      full
      Board of Directors if the Chairman of the Board deems it necessary). Any
      amendment of the Plan will not directly or indirectly reduce the balance of
      any
      participant's account as of the effective date of the amendment.
The
      foregoing is a
      brief description of the Deferred Compensation Obligations. The official
      provisions of the Plan are contained in the attached Plan document, which is
      attached as Exhibit 4.1 and is controlling in the event of a
      discrepancy.
Item
      5.
Interests
      of Named Experts and Counsel.
The
      validity of the
      Deferred Compensation Obligations issuable under the Caterpillar Inc.
      Supplemental Deferred Compensation Plan have been passed upon by Debra Kuper,
      our internal securities counsel. Ms. Kuper does not currently participate in
      the
      Plan, however, she is eligible to participate. Ms. Kuper beneficially owns
      less
      than one percent of the common stock of the Company.
Page
        3
Item
      6.
Indemnification
      of Directors and Officers.
Section
      145 of the
      General Corporation Law of Delaware authorizes the Company to indemnify its
      directors and officers under specified circumstances. Article V of the Company's
      Bylaws provides in effect that the Company shall provide certain indemnification
      to such persons. Article Ninth of the Company's Restated Certificate of
      Incorporation provides that a director shall not be liable to the Company or
      its
      stockholders for any breach of fiduciary duty except in certain circumstances.
      The Company has purchased directors' and officers' liability insurance in the
      amounts and subject to the conditions set forth in such policies.
Item
      7.
Exemption
      From Registration Claimed.
Not
      applicable.
Item
      8.
Exhibits.
The
      following is a
      complete list of exhibits filed as a part of this Registration
      Statement:
Exhibit
                No.
Description
4.1
Caterpillar
                Inc. Supplemental Deferred Compensation Plan.
5.1
Opinion
                of
                Debra Kuper, Securities Counsel for Caterpillar Inc.
23.1
Consent
                of
                PricewaterhouseCoopers LLP.
23.2
Consent
                of
                Debra Kuper (included in Exhibit 5.1).
Item
      9.
Undertakings
(a)
The
      undersigned
      Registrant hereby undertakes:
(1)
To
                file,
                during any period in which offers or sales are being made, a
                post-effective amendment to this Registration
                Statement:
(i)
to
                include
                any prospectus required by Section 10(a)(3) of the Securities
                Act;
(ii)
to
                reflect in
                the prospectus any facts or events arising after the effective date
                of the
                Registration Statement (or the most recent post-effective amendment
                thereof) which, individually or in the aggregate, represent a fundamental
                change in the information set forth in the Registration Statement;
                or
(iii)
to
                include
                any material information with respect to the plan of distribution
                not
                previously disclosed in the Registration Statement or any material
                change
                to such information in the Registration
                Statement;
provided,
      however
,
      that if the
      information required to be included in a post-effective amendment by paragraphs
      (1)(i) and (ii) above is contained in periodic reports filed with or furnished
      to the Commission by the registrant pursuant to Section 13 or Section 15(d)
      of
      the Exchange Act that are incorporated by reference in this Registration
      Statement, paragraphs (1)(i) and (ii) shall not apply.
Page
        4
(2)
That,
                for the
                purpose of determining any liability under the Securities Act, each
                such
                post-effective amendment shall be deemed to be a new registration
                statement relating to the securities offered therein, and the offering
                of
                such securities at that time shall be deemed to be the initial bona
                fide
                offering thereof; and
(3)
To
                remove
                from registration by means of a post-effective amendment any of the
                securities being registered which remain unsold at the termination
                of the
                offering.
(b)
The
                undersigned Registrant hereby undertakes that, for purposes of determining
                any liability under the Securities Act, each filing of the Registrant's
                annual report pursuant to Section 13(a) or Section 15(d) of the Exchange
                Act (and, where applicable, each filing of an employee benefit plan's
                annual report pursuant to Section 15(d) of the Exchange Act) that
                is
                incorporated by reference in this Registration Statement shall be
                deemed
                to be a new registration statement relating to the securities offered
                therein, and the offering of such securities at that time shall be
                deemed
                to be the initial bona fide offering
                thereof.
(c)
Insofar
                as
                indemnification for liabilities arising under the Securities Act
                may be
                permitted to directors, officers and controlling persons of the Registrant
                pursuant to the provisions described under Item 6 above, or otherwise,
                the
                Registrant has been advised that in the opinion of the Commission
                such
                indemnification is against public policy as expressed in the Securities
                Act and is, therefore, unenforceable. In the event that a claim for
                indemnification against such liabilities (other than the payment
                by the
                Registrant of expenses incurred or paid by a director, officer or
                controlling person of the Registrant in the successful defense of
                any
                action, suit or proceeding) is asserted by such director, officer
                or
                controlling person in connection with the securities being registered,
                the
                Registrant will, unless in the opinion of its counsel the matter
                has been
                settled by controlling precedent, submit to a court of appropriate
                jurisdiction the question whether such indemnification by it is against
                public policy as expressed in the Securities Act and will be governed
                by
                the final adjudication of such
                issue.
Page
        5
Form
                S-8 - SIGNATURES
Pursuant
                to the requirements of the Securities Act of 1933, as amended, the
                Registrant certifies that it has reasonable grounds to believe that
                it
                meets all the requirements for filing on Form S-8 and has duly caused
                this
                Registration Statement to be signed on its behalf by the undersigned,
                thereunto duly authorized, in the City of Peoria, and the State of
                Illinois.
CATERPILLAR
                INC.
(Registrant)
March
                22,
                2007
By:
/s/
                James
                B. Buda, Secretary
James
                B.
                Buda,
Secretary
Pursuant
                to the requirements of the Securities Act of 1933, this Registration
                Statement has been signed by the following persons in the capacities
                and
                on the dates indicated.
March
                22,
                2007
/s/
                James
                W. Owens
Chairman
                of
                the Board, Director
and
                Chief
                Executive Officer
(James
                W. Owens)
March
                22,
                2007
/s/
                Stuart L. Levenick
Group
                President
(Stuart
                L. Levenick)
March
                22,
                2007
/s/
                Douglas R. Oberhelman
Group
                President
(Douglas
                R. Oberhelman)
March
                22,
                2007
/s/
                Gerald L. Shaheen
Group
                President
(Gerald
                L. Shaheen)
March
                22,
                2007
/s/
                Gerard R. Vittecoq
Group
                President
(Gerard
                R. Vittecoq)
March
                22,
                2007
/s/
                Steven H. Wunning
Group
                President
(Steven
                H. Wunning)
March
                22,
                2007
/s/
                David
                B. Burritt
Vice
                President and
Chief
                Financial Officer
(David
                B. Burritt)
March
                22,
                2007
/s/
                Bradley M. Halverson
Controller
                and
Chief
                Accounting Officer
(Bradley
                M. Halverson)
Page
        6
March
                22,
                2007
/s/
                W.
                Frank Blount
Director
(W.
                Frank Blount)
March
                22,
                2007
/s/
                John
                R. Brazil
Director
(John
                R. Brazil)
March
                22,
                2007
/s/
                Daniel M. Dickinson
Director
(Daniel
                M. Dickinson)
March
                22,
                2007
/s/
                Eugene V. Fife
Director
(Eugene
                V. Fife)
March
                22,
                2007
/s/Gail
                D.
                Fosler
Director
(Gail
                D. Fosler)
March
                22,
                2007
/s/
                Juan
                Gallardo
Director
(Juan
                Gallardo)
March
                22,
                2007
/s/
                David
                R. Goode
Director
(David
                R. Goode)
March
                22,
                2007
/s/
                Peter
                A. Magowan
Director
(Peter
                A. Magowan)
March
                22,
                2007
/s/
                William A. Osborn
Director
(William
                A. Osborn)
March
                22,
                2007
/s/
                Charles D. Powell
Director
(Charles
                D. Powell)
March
                22,
                2007
/s/
                Edward B. Rust, Jr.
Director
(Edward
                B. Rust, Jr.)
March
                22,
                2007
/s/
                Joshua I. Smith
Director
(Joshua
                I. Smith)
Page
        7
Exhibit
      Index
Exhibit
                No.
Description
4.1
Caterpillar
                Inc. Supplemental Deferred Compensation Plan.
5.1
Opinion
                of
                Debra Kuper, Securities Counsel for Caterpillar Inc.
23.1
Consent
                of
                PricewaterhouseCoopers LLP.
23.2
Consent
                of
                Debra Kuper (included in Exhibit 5.1).