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<P align="center" style="font-size: 14pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P align="center" style="font-size: 18pt"><B>FORM 8-K</B>

<P align="center" style="font-size: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B>

<P align="center" style="font-size: 10pt"><B>Date of Report (Date of earliest event reported): December 9, 2008</B>

<P align="center">

<P align="center" style="font-size: 24pt"><B>PACCAR Inc<BR></B>
<FONT style="font-size: 10pt">(Exact name of registrant as specified in its charter)
</FONT>

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    <TD width="32%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="33%">&nbsp;</TD>
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    <TD width="32%">&nbsp;</TD>
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    <TD style="border-bottom: 1px solid #000000"><B>Delaware</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>001-14817</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>91-0351110</B></TD>
</TR>
<TR valign="top">
    <TD>(State or other Jurisdiction of Incorporation)</TD>
    <TD>&nbsp;</TD>
    <TD>(Commission File Number)</TD>
    <TD>&nbsp;</TD>
    <TD>(IRS Employer Identification No.)</TD>
</TR>
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    <TD width="49%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="49%">&nbsp;</TD>
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<TR valign="bottom">
    <TD style="border-bottom: 1px solid #000000"><B>777 106<sup>th</sup> Avenue NE, Bellevue, WA<BR></B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>98004</B></TD>
</TR>
<TR valign="top">
    <TD>(Address of Principal Executive Offices)</TD>
    <TD>&nbsp;</TD>
    <TD>(Zip Code)</TD>
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<P align="center" style="font-size: 10pt">Registrant&#146;s telephone number, including area code: <B>(425) 468-7400</B>


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</TR>
<TR>
    <TD nowrap>(Former name or former address if changed since last report.)</TD>
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<P align="left" style="font-size: 10pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:

<P align="left" style="font-size: 10pt">
<FONT face="Wingdings">&#111;</FONT> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>


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<P align="left" style="font-size: 10pt"><B>Item&nbsp;5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;
Compensatory Arrangements of Certain Officers.</B>
<BR>
&nbsp;
<BR>
On December&nbsp;9, 2008, the Board of Directors of PACCAR Inc (the &#147;Company&#148;) named
Thomas E. Plimpton to the Company&#146;s Board of Directors effective January&nbsp;2, 2009, and
John M. Pigott to the Company&#146;s Board of Directors effective April&nbsp;27, 2009.


<P align="left" style="font-size: 10pt">Mr.&nbsp;Plimpton will serve as a Class&nbsp;I director for the remainder of the term of Michael A. Tembreull who is retiring
from the Company and resigning from the Board effective January&nbsp;2, 2009. Mr.&nbsp;John M. Pigott will serve as a Class&nbsp;III
director. Neither director is expected to be named to a Board committee at this time. Mr.&nbsp;John M. Pigott is the
brother of Mark C. Pigott, Chairman and Chief Executive Officer of the Company. There are no reportable transactions
under Item&nbsp;404 (a)&nbsp;of <FONT style="white-space: nowrap">Regulation&nbsp;S-K</FONT>.


<P align="left" style="font-size: 10pt">Mr.&nbsp;Plimpton, Vice Chairman of the Company, will receive no compensation as a director. Mr. John M. Pigott will receive compensation for his services in accordance with the Company&#146;s standard compensatory
arrangements for non-employee directors. These arrangements include a prorated annual retainer of $75,000, Board
meeting fees of $7,500 per meeting, and an annual restricted stock award of $90,000 prorated for 2009 to $67,500.
Press releases announcing the Board action are attached as Exhibits 99.1 and 99.2 to this Report.


<P align="left" style="font-size: 10pt">On November&nbsp;4, 2008, the Company reported in a Current Report on Form 8-K the naming of
Kirk S. Hachigian and Warren R. Staley to the Company&#146;s Board of Directors, effective December&nbsp;9, 2008. The
information requested in Item&nbsp;5.02(d)(3) was not available at that time. PACCAR is filing this amendment to its
November&nbsp;4, 2008 Current Report on Form 8-K to report that on December&nbsp;9, 2008, the Company&#146;s Board of Directors
appointed Mr.&nbsp;Hachigian to the Compensation Committee and Mr.&nbsp;Staley to the Nominating and Governance Committee. Both
appointments are effective January&nbsp;1, 2009.


<P align="left" style="font-size: 10pt"><B>Item&nbsp;7.01 Regulation&nbsp;FD Disclosure.</B>


<P align="left" style="font-size: 10pt">On December&nbsp;9, 2008, the Company issued a press release announcing both a special and quarterly dividend and commenting
on market conditions. The announcement, a copy of which is furnished as Exhibit&nbsp;99.3 to this Report, is incorporated
herein by reference.


<P align="left" style="font-size: 10pt">This Report contains &#147;forward-looking statements&#148; within the meaning of the Private Securities Litigation Reform Act.
These statements are based on management&#146;s current expectations and are subject to uncertainty and changes in
circumstances. Actual results may differ materially from those included in these statements due to a variety of
factors. More information about these factors is contained in the Company&#146;s filings with the Securities and Exchange
Commission.


<P align="left" style="font-size: 10pt"><B>Item&nbsp;9.01 Financial Statements and Exhibits</B>


<P align="left" style="font-size: 10pt">(d)&nbsp;Exhibits.

<P align="left" style="font-size: 10pt">The following are furnished as Exhibits to this Report.

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    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Exhibit Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
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<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1<br>
99.2<br>
99.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Press release of December&nbsp;10, 2008 regarding Thomas E. Plimpton<br>

Press release of December&nbsp;10, 2008 regarding John M. Pigott<br>

Press release of December&nbsp;9, 2008 announcing dividends</TD>
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<P align="left" style="font-size: 10pt">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be
signed on its behalf by the undersigned hereunto duly authorized.

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    <TD colspan="3" align="left"><B>PACCAR Inc</B><BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">Date: December 12, 2008&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ D. C. Anderson&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">D. C. Anderson&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Vice President and General Counsel&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
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<P align="center" style="font-size: 10pt">&nbsp;

<P align="center" style="font-size: 10pt; display: none">2
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{"company-data": {"conformed-name": "PACCAR INC", "cik": "0000075362", "assigned-sic": "3711", "irs-number": "910351110", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-14817", "film-number": "081246269"}, "business-address": {"street1": "PACCAR BUILDING", "street2": "777 106TH AVENUE NE", "city": "BELLEVUE", "state": "WA", "zip": "98004", "phone": "425 468 7383"}, "mail-address": {"street1": "PACCAR BUILDING", "street2": "777 106TH AVENUE NE", "city": "BELLEVUE", "state": "WA", "zip": "98004"}, "former-company": {"former-conformed-name": "PACIFIC CAR & FOUNDRY CO", "date-changed": "19720707"}}
Filed by Bowne Pure Compliance
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): December 9, 2008
PACCAR Inc
(Exact name of registrant as specified in its charter)
Delaware
001-14817
91-0351110
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
777 106
th
Avenue NE, Bellevue, WA
98004
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code:
(425) 468-7400
(Former name or former address if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers;
Compensatory Arrangements of Certain Officers.
On December 9, 2008, the Board of Directors of PACCAR Inc (the "Company") named
Thomas E. Plimpton to the Company's Board of Directors effective January 2, 2009, and
John M. Pigott to the Company's Board of Directors effective April 27, 2009.
Mr. Plimpton will serve as a Class I director for the remainder of the term of Michael A. Tembreull who is retiring
from the Company and resigning from the Board effective January 2, 2009. Mr. John M. Pigott will serve as a Class III
director. Neither director is expected to be named to a Board committee at this time. Mr. John M. Pigott is the
brother of Mark C. Pigott, Chairman and Chief Executive Officer of the Company. There are no reportable transactions
under Item 404 (a) of
Regulation S-K
.
Mr. Plimpton, Vice Chairman of the Company, will receive no compensation as a director. Mr. John M. Pigott will receive compensation for his services in accordance with the Company's standard compensatory
arrangements for non-employee directors. These arrangements include a prorated annual retainer of $75,000, Board
meeting fees of $7,500 per meeting, and an annual restricted stock award of $90,000 prorated for 2009 to $67,500.
Press releases announcing the Board action are attached as Exhibits 99.1 and 99.2 to this Report.
On November 4, 2008, the Company reported in a Current Report on Form 8-K the naming of
Kirk S. Hachigian and Warren R. Staley to the Company's Board of Directors, effective December 9, 2008. The
information requested in Item 5.02(d)(3) was not available at that time. PACCAR is filing this amendment to its
November 4, 2008 Current Report on Form 8-K to report that on December 9, 2008, the Company's Board of Directors
appointed Mr. Hachigian to the Compensation Committee and Mr. Staley to the Nominating and Governance Committee. Both
appointments are effective January 1, 2009.
Item 7.01 Regulation FD Disclosure.
On December 9, 2008, the Company issued a press release announcing both a special and quarterly dividend and commenting
on market conditions. The announcement, a copy of which is furnished as Exhibit 99.3 to this Report, is incorporated
herein by reference.
This Report contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act.
These statements are based on management's current expectations and are subject to uncertainty and changes in
circumstances. Actual results may differ materially from those included in these statements due to a variety of
factors. More information about these factors is contained in the Company's filings with the Securities and Exchange
Commission.
Item 9.01 Financial Statements and Exhibits
(d) Exhibits.
The following are furnished as Exhibits to this Report.
Exhibit Number
Description
99.1
99.2
99.3
Press release of December 10, 2008 regarding Thomas E. Plimpton
Press release of December 10, 2008 regarding John M. Pigott
Press release of December 9, 2008 announcing dividends
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be
signed on its behalf by the undersigned hereunto duly authorized.
PACCAR Inc
Date: December 12, 2008
By:
/s/ D. C. Anderson
D. C. Anderson
Vice President and General Counsel