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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,
 FEDXkK3/Ku07GxbA1HSIWoRN87+OCVe1qudS47FtNmKS1AVIFqBbTI2X3qkHIgU+
 XA+MPg+EYqChUzOxlz4gjg==

<SEC-DOCUMENT>0001209191-03-022528.txt : 20030923
<SEC-HEADER>0001209191-03-022528.hdr.sgml : 20030923
<ACCEPTANCE-DATETIME>20030923122554
ACCESSION NUMBER:		0001209191-03-022528
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030919
FILED AS OF DATE:		20030923

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARTIN LYNN M
		CENTRAL INDEX KEY:			0001136557

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04364
		FILM NUMBER:		03905479

	BUSINESS ADDRESS:	
		STREET 1:		C/O RYDER SYSTEM INC
		STREET 2:		3600 N W 82ND AVENUE
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33166
		BUSINESS PHONE:		3055005181

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
</SEC-HEADER>
<DOCUMENT>
<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>2003-09-19</periodOfReport><notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000085961</issuerCik>
        <issuerName>RYDER SYSTEM INC</issuerName>
        <issuerTradingSymbol>R</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001136557</rptOwnerCik>
            <rptOwnerName>MARTIN LYNN M</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>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeTransaction><securityTitle><value>Common Stock</value></securityTitle><transactionDate><value>2003-09-19</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F1" /></transactionCoding><transactionTimeliness><value></value></transactionTimeliness><transactionAmounts><transactionShares><value>34</value></transactionShares><transactionPricePerShare><value>0</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7358</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndir
ectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeTransaction></nonDerivativeTable><footnotes><footnote id="F1">Grant of restricted stock units pursuant to the dividend reinvestment feature of the Issuer's Board of Directors Stock Award Plan.</footnote></footnotes><remarks></remarks><ownerSignature><signatureName>/s/ Richard H. Siegel,
by power of attorney</signatureName><signatureDate>2003-09-23</signatureDate></ownerSignature></ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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