<SEC-DOCUMENT>0001209191-21-011960.txt : 20210218
<SEC-HEADER>0001209191-21-011960.hdr.sgml : 20210218
<ACCEPTANCE-DATETIME>20210218171907
ACCESSION NUMBER:		0001209191-21-011960
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20210216
FILED AS OF DATE:		20210218
DATE AS OF CHANGE:		20210218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Watt Darren Jeffrey
		CENTRAL INDEX KEY:			0001661695

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13425
		FILM NUMBER:		21650655

	MAIL ADDRESS:	
		STREET 1:		C/O RITCHIE BROS. AUCTIONEERS INC.
		STREET 2:		9500 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 0C6

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RITCHIE BROS AUCTIONEERS INC
		CENTRAL INDEX KEY:			0001046102
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			A6
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9500 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 0C6
		BUSINESS PHONE:		7783315500

	MAIL ADDRESS:	
		STREET 1:		9500 GLENLYON PARKWAY
		CITY:			BURNABY
		STATE:			A1
		ZIP:			V5J 0C6
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2021-02-16</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001046102</issuerCik>
        <issuerName>RITCHIE BROS AUCTIONEERS INC</issuerName>
        <issuerTradingSymbol>RBA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001661695</rptOwnerCik>
            <rptOwnerName>Watt Darren Jeffrey</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O RITCHIE BROS. AUCTIONEERS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>9500 GLENLYON PARKWAY</rptOwnerStreet2>
            <rptOwnerCity>BURNABY</rptOwnerCity>
            <rptOwnerState>A1</rptOwnerState>
            <rptOwnerZipCode>V5J 0C6</rptOwnerZipCode>
            <rptOwnerStateDescription>BRITISH COLUMBIA, CANADA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Gen. Counsel &amp; Corp. Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Performance Share Units (2018 PSUs)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-02-16</value>
                <footnoteId id="F2"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>7749</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>7749</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7749</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Dividend Equivalent Rights (2018 PSUs)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F4"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2021-02-16</value>
                <footnoteId id="F4"/>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>408</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F4"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F4"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>408</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>408</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each PSU represents a contingent right to receive one RBA common share or the economic equivalent thereof.</footnote>
        <footnote id="F2">The RBA Compensation Committee determined that the PSUs, previously granted to the reporting person, are eligible for vesting because certain performance criteria were satisfied.</footnote>
        <footnote id="F3">The PSUs vest on 3/2/2021.The commons shares underlying vested PSUs or the cash value thereof (as determined by the Committee in accordance with the RBA Senior Executive Performance Share Unit Plan) will be paid to the reporting person, net of tax, as soon as practicable following the end of the month in which the PSUs vest.</footnote>
        <footnote id="F4">Each dividend equivalent right represents a contingent right to receive one RBA common share or the economic equivalent thereof. DERs accrued in respect of the 2018 PSUs vest and become exercisable concurrently with the PSUs to which they relate.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Maria Teresa Punsalan as attorney-in-fact for Darren JEffrey Watt.</signatureName>
        <signatureDate>2021-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
