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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Washington, D.C. 20549</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Pursuant to Section 13 or 15(d) of<BR>
the Securities
Exchange Act of 1934</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Date of Report (Date of earliest event reported):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">May 17, 2012</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 16pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Wabash National Corporation</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Exact name of registrant as specified in
its charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 30%; text-autospace: none; text-align: center; border-bottom: Black 1pt solid">Delaware</TD>
    <TD STYLE="width: 5%; text-autospace: none; border-bottom: Black 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 30%; text-autospace: none; text-align: center; border-bottom: Black 1pt solid">1-10883</TD>
    <TD STYLE="width: 5%; text-autospace: none; border-bottom: Black 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 30%; text-autospace: none; text-align: center; border-bottom: Black 1pt solid">52-1375208</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none; text-align: center">(State or other jurisdiction of incorporation)</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none; text-align: center">(Commission File No.)</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none; text-align: center">(IRS Employer<BR>
Identification No.)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none; text-align: center">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none; text-align: center">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none; text-align: center">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="text-autospace: none; text-align: center; border-bottom: Black 1pt solid">1000 Sagamore Parkway South, Lafayette, Indiana</TD>
    <TD STYLE="text-autospace: none; border-bottom: Black 1pt solid">&nbsp;</TD>
    <TD STYLE="text-autospace: none; text-align: center; border-bottom: Black 1pt solid">47905</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="3" STYLE="text-autospace: none; text-align: center">(Address of principal executive offices)</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none; text-align: center">(Zip Code)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Registrant&rsquo;s telephone number, including
area code:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(765) 771-5310</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Not applicable</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Former name or former address, if changed
since last report)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">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>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&#168;</FONT> Written
communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&#168;</FONT>
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&#168;</FONT>
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Wingdings">&#168;</FONT>
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">INFORMATION TO BE INCLUDED IN THE REPORT</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 7.01. Regulation FD Disclosure.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Wabash National Corporation is making the
presentation attached hereto as Exhibit 99.1 and incorporated herein by reference in connection with the Company&rsquo;s 2012 Annual
Shareholder Meeting on May 17, 2012.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Item 9.01. Financial Statements and Exhibits.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in; text-align: left">(d)</TD><TD>Exhibits</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left">99.1</TD><TD>Wabash National Corporation presentation on May 17, 2012.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto
duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE ALIGN="CENTER" CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 48%; text-autospace: none">&nbsp;</TD>
    <TD STYLE="width: 5%; text-autospace: none">&nbsp;</TD>
    <TD STYLE="width: 5%; text-autospace: none">&nbsp;</TD>
    <TD STYLE="width: 40%; text-autospace: none">&nbsp;</TD>
    <TD STYLE="width: 2%; text-autospace: none">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="text-autospace: none">WABASH NATIONAL CORPORATION</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none">Date:&nbsp;May 17, 2012</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">By:</TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">/s/ Mark J. Weber</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P></TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD>
    <TD>Mark J. Weber<BR>Senior Vice President and Chief Financial Officer</TD>
    <TD STYLE="text-autospace: none">&nbsp;</TD></TR>
</TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>EXHIBIT INDEX</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 1in; text-align: left"><FONT STYLE="font-size: 10pt"><B>Exhibit No.</B></FONT></TD><TD><FONT STYLE="font-size: 10pt"><B>Description</B></FONT></TD>
</TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0in"></TD><TD STYLE="width: 1in; text-align: left"><FONT STYLE="font-size: 10pt">99.1</FONT></TD><TD><FONT STYLE="font-size: 10pt">Wabash National Corporation
presentation on May 17, 2012</FONT></TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P>

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{"company-data": {"conformed-name": "WABASH NATIONAL CORP /DE", "cik": "0000879526", "assigned-sic": "3715", "irs-number": "521375208", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-10883", "film-number": "12850506"}, "business-address": {"street1": "1000 SAGAMORE PARKWAY SOUTH", "city": "LAFAYETTE", "state": "IN", "zip": "47905", "phone": "7657715310"}, "mail-address": {"street1": "1000 SAGAMORE PARKWAY SOUTH", "city": "LAFAYETTE", "state": "IN", "zip": "47905"}}
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):
May 17, 2012
Wabash National Corporation
(Exact name of registrant as specified in
its charter)
Delaware
1-10883
52-1375208
(State or other jurisdiction of incorporation)
(Commission File No.)
(IRS Employer
Identification No.)
1000 Sagamore Parkway South, Lafayette, Indiana
47905
(Address of principal executive offices)
(Zip Code)
Registrant's telephone number, including
area code:
(765) 771-5310
Not applicable
(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:
¨
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
INFORMATION TO BE INCLUDED IN THE REPORT
Item 7.01. Regulation FD Disclosure.
Wabash National Corporation is making the
presentation attached hereto as Exhibit 99.1 and incorporated herein by reference in connection with the Company's 2012 Annual
Shareholder Meeting on May 17, 2012.
Item 9.01. Financial Statements and Exhibits.
(d)
Exhibits
99.1
Wabash National Corporation presentation on May 17, 2012.
Page
2
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto
duly authorized.
WABASH NATIONAL CORPORATION
Date: May 17, 2012
By:
/s/ Mark J. Weber
Mark J. Weber
Senior Vice President and Chief Financial Officer
Page
3
EXHIBIT INDEX
Exhibit No.
Description
99.1
Wabash National Corporation
presentation on May 17, 2012
Page
4