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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FcdxMdT3uga23JcZ9cZs5mDsEaW5HvXJhv191LcAMIB9+gRsk9NL1Ls0mBX1WAcr
 YhLS1hfAGxMIXVr7nRApmA==

<SEC-DOCUMENT>0000808450-08-000046.txt : 20080922
<SEC-HEADER>0000808450-08-000046.hdr.sgml : 20080922
<ACCEPTANCE-DATETIME>20080922165839
ACCESSION NUMBER:		0000808450-08-000046
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080918
FILED AS OF DATE:		20080922
DATE AS OF CHANGE:		20080922

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NAVISTAR INTERNATIONAL CORP
		CENTRAL INDEX KEY:			0000808450
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
		IRS NUMBER:				363359573
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		4201 WINFIELD ROAD
		STREET 2:		POST OFFICE BOX 1488
		CITY:			WARRENVILLE
		STATE:			IL
		ZIP:			60555
		BUSINESS PHONE:		630-753-5000

	MAIL ADDRESS:	
		STREET 1:		4201 WINFIELD ROAD
		STREET 2:		POST OFFICE BOX 1488
		CITY:			WARRENVILLE
		STATE:			IL
		ZIP:			60555

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NAVISTAR INTERNATIONAL CORP /DE/NEW
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NAVISTAR HOLDING INC
		DATE OF NAME CHANGE:	19870528

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KLINGER STEVEN J
		CENTRAL INDEX KEY:			0001225393

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09618
		FILM NUMBER:		081082771

	BUSINESS ADDRESS:	
		STREET 1:		133 PEACHTREE ST. N.E.
		STREET 2:		C/O GEORGIA PACIFIC
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30303
		BUSINESS PHONE:		4046525019

	MAIL ADDRESS:	
		STREET 1:		C/O GEORGIA PACIFIC
		STREET 2:		133 PEACHTREE ST. N.E.
		CITY:			ATLANTA
		STATE:			GA
		ZIP:			30303
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-09-18</periodOfReport>

    <issuer>
        <issuerCik>0000808450</issuerCik>
        <issuerName>NAVISTAR INTERNATIONAL CORP</issuerName>
        <issuerTradingSymbol>NAV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001225393</rptOwnerCik>
            <rptOwnerName>KLINGER STEVEN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>NAVISTAR INTERNATIONAL CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>4201 WINFIELD ROAD</rptOwnerStreet2>
            <rptOwnerCity>WARRENVILLE</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60555</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>2008-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1333</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1333</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Curt A. Kramer, Attorney in fact</signatureName>
        <signatureDate>2008-09-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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