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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001209191-03-024946.txt : 20031007
<SEC-HEADER>0001209191-03-024946.hdr.sgml : 20031007
<ACCEPTANCE-DATETIME>20031007140210
ACCESSION NUMBER:		0001209191-03-024946
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031003
FILED AS OF DATE:		20031007

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RYDER SYSTEM INC
		CENTRAL INDEX KEY:			0000085961
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-AUTO RENTAL & LEASING (NO DRIVERS) [7510]
		IRS NUMBER:				590739250
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		3600 NW 82ND AVE
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33166
		BUSINESS PHONE:		3055003726

	MAIL ADDRESS:	
		STREET 1:		3600 NW 82 AVENUE
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33166

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SANCHEZ ROBERT E
		CENTRAL INDEX KEY:			0001216931

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04364
		FILM NUMBER:		03931131

	BUSINESS ADDRESS:	
		STREET 1:		C/O RYDER SERVICES INC
		STREET 2:		3600 N.W. 82ND AVE
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33166
		BUSINESS PHONE:		3055003007

	MAIL ADDRESS:	
		STREET 1:		C/O RYDER SERVICES INC
		STREET 2:		3600 N.W. 82ND AVE
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33166
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-10-03</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000085961</issuerCik>
        <issuerName>RYDER SYSTEM INC</issuerName>
        <issuerTradingSymbol>R</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001216931</rptOwnerCik>
            <rptOwnerName>SANCHEZ ROBERT E</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3600 N.W. 82ND AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MIAMI</rptOwnerCity>
            <rptOwnerState>FL</rptOwnerState>
            <rptOwnerZipCode>33166</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>Senior Vice President  &amp; CIO</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-10-03</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>F</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1" /></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>264</value></transactionShares><transactionPricePerShare><value>30.68</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>5086</value></sharesOwnedFollowingTr
ansaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>1838</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Ryder Employee Savings Plan B</value></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2162</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>By Ryder Deferrred Compensation Plan</value></natureOfOwnership></ownershipNature></nonDerivativ
eHolding></nonDerivativeTable><footnotes><footnote id="F1">Represents shares of common stock owned by the reporting person and delivered to the Company as payment for the tax liability incurred by the reporting person upon the vesting of restricted stock units.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Richard H. Siegel,
by power of attorney</signatureName><signatureDate>2003-10-07</signatureDate></ownerSignature></ownershipDocument>

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