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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GIV9P7r398U+xzzS+FWNuASDTQtb3hHphLCaPSZyTuvP6lt+eNEMv92nXGLJv7lH
 4syBByGvHFvjZqzaajAtPQ==

<SEC-DOCUMENT>0001209191-04-002108.txt : 20040108
<SEC-HEADER>0001209191-04-002108.hdr.sgml : 20040108
<ACCEPTANCE-DATETIME>20040108123432
ACCESSION NUMBER:		0001209191-04-002108
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031219
FILED AS OF DATE:		20040108

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DT INDUSTRIES INC
		CENTRAL INDEX KEY:			0000918999
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				440537828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0627

	BUSINESS ADDRESS:	
		STREET 1:		907 WEST FIFTH STREET
		STREET 2:		N/A
		CITY:			DAYTON
		STATE:			OH
		ZIP:			45407
		BUSINESS PHONE:		937-586-5600

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			NORTHWESTERN MUTUAL LIFE INSURANCE CO
		CENTRAL INDEX KEY:			0000073076
		STATE OF INCORPORATION:			WI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23400
		FILM NUMBER:		04514920

	BUSINESS ADDRESS:	
		STREET 1:		720 E WISCONSIN AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
		BUSINESS PHONE:		4142992508

	MAIL ADDRESS:	
		STREET 1:		720 EAST WISCONSIN AVENUE
		CITY:			MILWAUKEE
		STATE:			WI
		ZIP:			53202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>boc81918_01tnml.xml
<DESCRIPTION>MAIN DOCUMENT DESCRIPTION
<TEXT>
<XML>
<?xml version="1.0"?><ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-12-19</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000918999</issuerCik><issuerName>DT INDUSTRIES INC</issuerName>        <issuerTradingSymbol>DTII</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0000073076</rptOwnerCik><rptOwnerName>NORTHWESTERN MUTUAL LIFE INSURANCE CO</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>720 EAST WISCONSIN AVENUE</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>MILWAUKEE</rptOwnerCity><rptOwnerState>WI</rptOwnerState><rptOwnerZipCode>53202</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>0</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>1</isTenPercentOwner><isOther>0</isOther></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDeriv
ativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>2683139</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>7.16% Convertible Preferred Securities</value><footnoteId id="F1" /></securityTitle><conversionOrExercisePrice><value>14.00</value></conversionOrExercisePrice><transactionDate><value>2003-12-19</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>J</transactionCode><equitySwapInvolved>0</equitySwapInvolved><footnoteId id="F2" /></transactionCoding><transactionAmounts><transactionShares><value>300000</value></transactionShares><transactionPricePerShare><value>0.00</value><footnoteId id="F2" /></transactionPricePerShare><transactionAcquiredDispos
edCode><value>D</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1997-06-12</value></exerciseDate><expirationDate><value>2008-05-31</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>1071428</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>300000</value><footnoteId id="F2" /></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Pecuniary</value><footnoteId id="F2" /></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">7.16% Convertible Preferred Securities Term Income Deferrable Equity Securities ("TIDES"), issued by DT Capital Trust.  The TIDES are effectively convertible into Issuer's Common Stock.</footnote><footnote id="F2">The 
TIDES, together with cash and other consideration, were contributed to a limited partnership in exchange for a limited partnership interest therein.  The value assigned to the TIDES was zero.  The Reporting Person has a pecuniary interest in a portion of the TIDES through the limited partnership, in which other parties also have an interest.</footnote></footnotes><ownerSignature><signatureName>THE NORTHWESTERN MUTUAL LIFE INSURANCE COMPANY By Mark E. Kishler, Its authorized representative</signatureName><signatureDate>2004-01-08</signatureDate></ownerSignature></ownershipDocument>

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