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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 MfI/SYM9QZ+grcQRqT9YL58/XNwi5iilp8IMTSX11kdLg+DRKlaaK7XlgqKkDkgN
 yAbzvVmo2n6PnPMxcBEhtw==

<SEC-DOCUMENT>0000879526-05-000123.txt : 20051011
<SEC-HEADER>0000879526-05-000123.hdr.sgml : 20051010
<ACCEPTANCE-DATETIME>20051011153815
ACCESSION NUMBER:		0000879526-05-000123
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051011
FILED AS OF DATE:		20051011
DATE AS OF CHANGE:		20051011

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:		P O BOX 6129
		CITY:			LAFAYETTE
		STATE:			IN
		ZIP:			47905
		BUSINESS PHONE:		7657715310

	MAIL ADDRESS:	
		STREET 1:		1000 SAGAMORE PARKWAY SOUTH
		STREET 2:		P O BOX 6129
		CITY:			LAFAYETTE
		STATE:			IN
		ZIP:			47905

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HACKETT JOHN T
		CENTRAL INDEX KEY:			0001021333
		STATE OF INCORPORATION:			IN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10883
		FILM NUMBER:		051132526

	BUSINESS ADDRESS:	
		STREET 1:		C/O IRWIN FINANCIAL CORPORATION
		STREET 2:		500 WASHINGTON STREET
		CITY:			COLUMBUS
		STATE:			IN
		ZIP:			47201
		BUSINESS PHONE:		8123761909

	MAIL ADDRESS:	
		STREET 1:		IRWIN FINANCIAL CORPORATION
		STREET 2:		500 WASHINGTON STREET
		CITY:			COLUMBUS
		STATE:			IN
		ZIP:			47201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-10-11</periodOfReport>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001021333</rptOwnerCik>
            <rptOwnerName>HACKETT JOHN T</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1000 SAGAMORE PARKWAY SOUTH</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LAFAYETTE</rptOwnerCity>
            <rptOwnerState>IN</rptOwnerState>
            <rptOwnerZipCode>47905</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2005-10-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>255</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>19.66</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13842</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Cynthia J. Kretz</signatureName>
        <signatureDate>2005-10-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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