<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2007-06-12</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001342287</issuerCik>
        <issuerName>General Finance CORP</issuerName>
        <issuerTradingSymbol>GFN</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001069726</rptOwnerCik>
            <rptOwnerName>GALLEN JONATHAN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>299 PARK AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.0001 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2007-06-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>51400</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.9523</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1150010</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By partnerships and corporations</value>
                    <footnoteId id="F1"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">As of June 12, 2007, Queequeg Partners, L.P. (&quot;Partners&quot;), Queequeg, Ltd. (&quot;Limited&quot;), Ahab Partners, L.P. (&quot;Ahab&quot;), Ahab International, Ltd. (&quot;International&quot;) and one or more other private investment funds or managed accounts (the &quot;Accounts,&quot; and collectively with Partners, Limited, Ahab and International, the &quot;Funds&quot;) held in the aggregate 1,150,010 shares of common stock, par value $0.0001 per share (the &quot;Shares&quot;), of General Finance Corporation (the &quot;Company&quot;).  Jonathan Gallen possesses sole power to vote and direct the disposition of all securities of the Company held by the Funds.  Thus, for the purposes of Reg. Section 240.13d-3, Mr. Gallen is deemed to beneficially own 1,150,010 Shares.  Jonathan Gallen's interest in the securities reported herein is limited to the extent of his pecuniary interest in each of the Funds, if any.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jonathan Gallen</signatureName>
        <signatureDate>2007-06-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
