detroit diesel band . detroit diesel corporation type subsidiary industry automotive predecessor general motors detroit diesel allison division founded 1938 headquarters detroit michigan united states products heavy duty diesel engines owner daimler ag number of employees 2 300 parent daimler trucks north america website demanddetroit.com detroit diesel corporation ddc is an american diesel engine manufacturer headquartered in detroit michigan united states and a subsidiary of daimler trucks north america itself a wholly owned subsidiary of the german daimler ag . the company manufactures heavy duty engines and chassis components for the on highway and vocational commercial truck markets . detroit diesel has built more than 5 million engines since 1938 more than 1 million of which are still in operation worldwide . detroit diesel s product line includes engines axles transmissions and virtual technician . detroit engines transmissions and axles can be found in several trucks manufactured by daimler trucks north america including freightliner western star selectrucks freightliner custom chassis and thomas built buses . contents 1 divisions 2 detroit diesel corporation timeline 3 products 3.1 current products 3.2 services 3.3 engines still supported 3.4 related engine series 4 joint ventures 5 partners 6 see also 7 references 8 external links divisions edit detroit diesel consists of two divisions . the off highway division which is owned by tognum is a wholly owned subsidiary of engine holding gmbh a joint venture of daimler ag and rolls royce group plc. the on highway division is owned by daimler ag . detroit diesel corporation timeline edit april 1938 general motors formed the gm diesel division the origin of today s detroit diesel corporation . the first model was the series 71 two cycle engine . world war ii tanks landing craft road building equipment and standby generators needed compact lightweight two cycle engines . by 1943 gm diesel employed 4 300 people more than 1 400 of them women . together these employees produced 57 892 engines in 1943 . gm diesel launches series 110 engines used in construction equipment rail cars and as a power generator . 1950s wide use of gm s diesel engines in thousands of military applications aided their acceptance in commercial applications . the company developed heavy duty engines for long distance trucks and began selling to customers other than gm in 1955 . gm diesel also began to develop a worldwide distribution network of independent authorized distributors and dealers to provide parts and service . in 1957 gm diesel introduced the series 53 engine and put the series 71 engine into use for both on highway and off road use . all engines within a series were designed so that a vast majority of the parts were interchangeable which made it easy to produce many models of various horsepower by simply adding cylinders . 1960s in 1965 gm diesel was renamed detroit diesel engine division and the company introduced the series 149 engine for use in workboats push boats as well as in the 100 ton plus mining trucks used out west . in 1970 general motors consolidated the company with the closely allied transmission and gas turbine businesses of the allison division forming the detroit diesel allison division . for the next 20 years the detroit diesel allison division grew tripling its sales during the 1960s alone . 1970s and 1980s the series 92 engine was introduced in 1974 ; called the fuel squeezers the 6v 92tt engine achieved fuel savings of 10 to 20 % over previous models of comparable horsepower . during the energy crisis turbine engines became uncompetitive . in 1980 detroit diesel allison produced its first four cycle engine . a few years later in the early 1980s diesel engine production split off as detroit diesel division while turbine engines remained as allison division . 1987 in 1987 the series 60 the four cycle heavy duty engine for which the company is well known was introduced . it was the first production engine to have integrated electronic controls as a standard feature . the series 60 was cleaner and more fuel efficient than previous heavy duty engines and quickly became the biggest selling heavy duty diesel engine in the north american class 8 truck market . 1988 on january 1 1988 a joint venture between penske corporation and general motors created detroit diesel corporation . penske had a 60 % majority ownership in the new venture and the ceo was former racecar driver roger penske . 1 2 1993 by october 1993 detroit diesel corporation had grown its on highway heavy duty market share to 33 % from 3 % only a few years earlier . the company also made an initial public offering of common stock becoming a publicly traded company listed on the new york stock exchange under the stock symbol ddc . that same year detroit diesel launched the series 50 the first detroit diesel natural gas engine . by 1999 detroit diesel had built its 4 millionth engine . 2000 in october 2000 daimlerchrysler bought detroit diesel corporation . 3 2000 off highway engines combined with mtu friedrichshafen and is now known as mtu america 4 2005 detroit diesel corporation invested 350 million to refurbish and retool its plant for future business . 2006 mtu friedrichshafen including the off highway part of detroit diesel in the usa was acquired by the eqt partners investment group . a new company tognum gmbh was formed as a holding company for the brands . the on highway division of detroit diesel was retained by daimlerchrysler now daimler ag as part of daimler trucks north america dtna . both companies use the detroit diesel name and corporate logo . 2007 detroit diesel corporation launches its dd engine platform with the dd15 engine . 2008 detroit diesel corporation was recognized for its brownfield redevelopment efforts and also won the national epa phoenix award for its plant . 2009 the 1 millionth series 60 engine was sold . 2010 an additional 190 million investment allowed detroit diesel corporation to launch blue tec emissions technology and the final engine of its new engines family the detroit dd platform of engines that includes the dd13 dd15 dd15tc and dd16 engines . 2010 detroit began production of epa 2010 certified engines . 2011 detroit diesel corporation is named one of the two 2011 michigan green leaders in the big business category by the detroit free press . ddc changes brand name from detroit diesel to detroit . 2012 100 000 th dd platform engine built . dd axles virtual technician dt12 automated manual transmission and detroit genuine parts are introduced . 2013 75th anniversary . products edit a gmc savana with the company s logo current products edit dd13 a 12.8 l 781 cu in i6 developing 350 470 hp 261 350 kw and 1 250 1 650 lbf ft 1 695 2 237 n m . dd15 a 14.8 l 903 cu in i6 developing 455 505 hp 339 377 kw and 1 550 1 750 lbf ft 2 102 2 373 n m . dd15tc dd16 a 15.6 l 952 cu in i6 developing 475 600 hp 354 447 kw and 1 850 2 050 lbf ft 2 508 2 779 n m . front steer axles ratings up to 20 000 lb 9 100 kg single rear axles ratings up to 23 000 lb 10 000 kg tandem rear axles ratings up to 46 000 lb 21 000 kg dt12 transmissions a hd 12 speed automatic services edit detroit reman virtual technician engines still supported edit series 50 a 8.5 l 519 cu in i4 developing 250 350 hp 186 261 kw and 1 250 1 650 lbf ft 1 695 2 237 n m . series 60 a 11.1 l 677 cu in 12.7 l 775 cu in or 14 l 854 cu in i6 developing 400 665 hp 298 496 kw . mercedes benz engine mbe 900 a 7.2 l 439 cu in i6 developing 350 hp 261 kw and 860 lbf ft 1 166 n m . mercedes benz engine mbe 4000 a 12.8 l 781 cu in i6 developing 350 450 hp 261 336 kw and 1 350 1 550 lbf ft 1 830 2 102 n m . related engine series edit series 40e rebranded international dt maxxforce engines series 51 series 53 3.875 x4 .5 53.07 cuin series 55 series 638 series 71 series 92 series 110 series 149 series 700 series 2000 series 4000 series sun 8.2 liter fuel pincher joint ventures edit 50 50 joint venture with bosch llc detroit north america fuel systems remanufacturing partners edit daimler trucks north america detroit diesel corporation s parent company and walmart collaborated to build the first ever hybrid electric freightliner cascadia in 2010 citation needed see also edit united states portal companies portal references edit levin doron may 25 1989 . penske wins big at detroit diesel . the new york times . retrieved october 3 2013 . people roger penske ... this guy should run gm . motor trend . retrieved october 3 2013 . penske corporation announces sale of its detroit diesel stake to daimlerchrysler . the auto channel . july 20 2000 . retrieved october 3 2013 . http www.mtu online.com mtu northamerica mtu mtu in north america external links edit wikimedia commons has media related to detroit diesel . detroit diesel corporation official website ddc products vm motori v t e daimler ag divisions and subsidiaries cars current mercedes benz mercedes amg mercedes maybach smart trucks and vans current bharatbenz freightliner manufacturing commercial vehicles master motors 80 % mercedes benz mitsubishi fuso truck and bus 85 % western star defunct american lafrance sterling trucks buses current bharatbenz freightliner manufacturing commercial vehicles master motors mercedes benz mitsubishi fuso truck and bus setra evobus thomas defunct orion motorsport mercedes amg petronas f1 team mercedes amg high performance powertrains other alliance truck parts car2go daimler financial services mercedes benz bank detroit diesel mercedes benz india mercedes benz mexico shareholdings and joint ventures automotive fuel cell cooperation 50.1 % beijing benz 50 % denza 50 % tognum ag 50 % fujian benz 50 % here 33 % eads 22.41 % kamaz 10 % mv agusta 25 % tesla motors 10 % tata motors 7 % aston martin 5 % predecessors benz & company 1883 1926 daimler motoren gesellschaft ag 1890 1926 daimler benz ag 1926 98 daimlerchrysler ag 1998 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