<SEC-DOCUMENT>0000075362-19-000062.txt : 20190208
<SEC-HEADER>0000075362-19-000062.hdr.sgml : 20190208
<ACCEPTANCE-DATETIME>20190208144217
ACCESSION NUMBER:		0000075362-19-000062
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190206
FILED AS OF DATE:		20190208
DATE AS OF CHANGE:		20190208

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Quinn T. Kyle
		CENTRAL INDEX KEY:			0001478418

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14817
		FILM NUMBER:		19579357

	MAIL ADDRESS:	
		STREET 1:		777 106TH AVENUE NE
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98004

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PACCAR INC
		CENTRAL INDEX KEY:			0000075362
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLES & PASSENGER CAR BODIES [3711]
		IRS NUMBER:				910351110
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		PACCAR BUILDING
		STREET 2:		777 106TH AVENUE NE
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98004
		BUSINESS PHONE:		425 468 7525

	MAIL ADDRESS:	
		STREET 1:		PACCAR BUILDING
		STREET 2:		777 106TH AVENUE NE
		CITY:			BELLEVUE
		STATE:			WA
		ZIP:			98004

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PACIFIC CAR & FOUNDRY CO
		DATE OF NAME CHANGE:	19720707
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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    <periodOfReport>2019-02-06</periodOfReport>

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        <issuerName>PACCAR INC</issuerName>
        <issuerTradingSymbol>PCAR</issuerTradingSymbol>
    </issuer>

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        </reportingOwnerId>
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            <rptOwnerStreet1>777 106TH AVENUE NE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BELLEVUE</rptOwnerCity>
            <rptOwnerState>WA</rptOwnerState>
            <rptOwnerZipCode>98004</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SR. V.P. &amp; CHIEF TECH. OFFICER</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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        </derivativeHolding>
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                <footnoteId id="F5"/>
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                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
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                <underlyingSecurityShares>
                    <value>8525.673</value>
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                    <value>8525.673</value>
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                <directOrIndirectOwnership>
                    <value>D</value>
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                    <value></value>
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        </derivativeHolding>
        <derivativeTransaction>
            <securityTitle>
                <value>STOCK UNITS (LTIP)</value>
                <footnoteId id="F6"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F6"/>
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            <transactionDate>
                <value>2019-02-06</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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                <footnoteId id="F7"/>
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                <transactionShares>
                    <value>5290</value>
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                <transactionPricePerShare>
                    <value>65.56</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F6"/>
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                <footnoteId id="F6"/>
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                <underlyingSecurityTitle>
                    <value>COMMON STOCK</value>
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                <underlyingSecurityShares>
                    <value>5290</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>5290</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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    <footnotes>
        <footnote id="F1">The price shown is a weighted average sale price for shares sold in multiple transactions; the sale prices ranged from 65.6500 to 65.7150 per share.  The reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range.</footnote>
        <footnote id="F2">Shares held in PACCAR Savings Investment Plan (SIP).</footnote>
        <footnote id="F3">Balance includes shares awarded under SIP (Company match) since date of last report in a transaction that was exempt under both Rule 16b-3(d) and Rule 16b-3 (c).</footnote>
        <footnote id="F4">Option to buy awarded under PACCAR Long Term Incentive Plan (LTIP).</footnote>
        <footnote id="F5">Share units held in deferred phantom stock account under PACCAR Deferred Compensation Plan (DCP) convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.</footnote>
        <footnote id="F6">Restricted stock units held in deferred phantom stock account under LTIP convertible to common stock on a one-for-one basis upon satisfaction of all applicable vesting conditions.</footnote>
        <footnote id="F7">Restricted stock units awarded under LTIP.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>T. Kyle Quinn</signatureName>
        <signatureDate>2019-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
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</SEC-DOCUMENT>
