<SEC-DOCUMENT>0000879526-11-000030.txt : 20111221
<SEC-HEADER>0000879526-11-000030.hdr.sgml : 20111221
<ACCEPTANCE-DATETIME>20111221171036
ACCESSION NUMBER:		0000879526-11-000030
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20111215
FILED AS OF DATE:		20111221
DATE AS OF CHANGE:		20111221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MONAHAN TIMOTHY J
		CENTRAL INDEX KEY:			0001268473

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10883
		FILM NUMBER:		111275132

	MAIL ADDRESS:	
		STREET 1:		P O BOX 6129
		CITY:			LAFAYETTE
		STATE:			IN
		ZIP:			47903

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WABASH NATIONAL CORP /DE
		CENTRAL INDEX KEY:			0000879526
		STANDARD INDUSTRIAL CLASSIFICATION:	TRUCK TRAILERS [3715]
		IRS NUMBER:				521375208
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1000 SAGAMORE PARKWAY SOUTH
		CITY:			LAFAYETTE
		STATE:			IN
		ZIP:			47905
		BUSINESS PHONE:		7657715310

	MAIL ADDRESS:	
		STREET 1:		1000 SAGAMORE PARKWAY SOUTH
		CITY:			LAFAYETTE
		STATE:			IN
		ZIP:			47905
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0304</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2011-12-15</periodOfReport>

    <dateOfOriginalSubmission>2011-12-16</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000879526</issuerCik>
        <issuerName>WABASH NATIONAL CORP /DE</issuerName>
        <issuerTradingSymbol>WNC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001268473</rptOwnerCik>
            <rptOwnerName>MONAHAN TIMOTHY J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1000 SAGAMORE PARKWAY SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 6129</rptOwnerStreet2>
            <rptOwnerCity>LAFAYETTE</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>47905</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Senior VP - Human Resources</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>61950</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">On December 16, 2011, a Form 4 was mistakenly filed on behalf of the Reporting Person reporting a sale of 3,800 shares of the issuer's common stock that did not in fact occur.  Accordingly, this amendment is filed to note that fact, and to correct the number of shares beneficially owned by the Reporting Person as shown in Column 5 of Table 1.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Timothy J. Monahan</signatureName>
        <signatureDate>2011-12-21</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
