please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article may require cleanup to meet wikipedia s quality standards . no cleanup reason has been specified . please help improve this article if you can . october 2008 learn how and when to remove this template message this article includes a list of references but its sources remain unclear because it has insufficient inline citations . please help to improve this article by introducing more precise citations . august 2010 learn how and when to remove this template message learn how and when to remove this template message allison transmission type public traded as nyse alsn founded indianapolis indiana u.s. 1915 founder james a. allison headquarters indianapolis indiana u.s.a. revenue us 1 9850 000 000 2015 us 2 127 000 000 2014 website www.allisontransmission.com allison transmission is an american manufacturer of commercial duty automatic transmissions and hybrid propulsion systems . allison products are specified by over 250 of the world s leading vehicle manufacturers and are used in many market sectors including bus refuse fire construction distribution military and specialty applications . headquartered in indianapolis indiana allison transmission has regional offices all over the world and manufacturing facilities in indianapolis indiana chennai india and szentgotthard hungary . 1 contents 1 history 2 timeline 2.1 1940s 2.2 1960s 2.3 1970s 2.4 1980s 2.5 1990s 2.6 2000s 3 products 3.1 past products 3.2 current products by application 22 as of 2011 update 3.3 current commercial products by model 25 4 hybrid bus series transit clients 5 references 6 external links 6.1 hybrid buses history edit allison began in 1909 when james a. allison along with three business partners helped found and build the indianapolis motor speedway . in 1911 allison s new track held the first indianapolis 500 mile race . in addition to funding several race teams jim allison established his own racing team in 1915 and quickly gained a reputation for his work on race cars and automotive technology in general . 2 when world war i began allison suspended racing and the allison experimental company began machining parts tools and masters for the liberty airplane engine the main power plant used in the us war effort . after the war allison entered a car in the 1919 indy 500 and won . it was the last race allison s team ever entered as he turned his company s attention to aviation engineering . the company s expertise in aviation was the major factor in general motors decision to buy the company following jim allison s death in 1928 . 3 4 5 shortly after the sale to general motors in 1929 allison engineers began work on a 12 cylinder engine to replace the aging liberty engines . the result was the v1710 12 cylinder aircraft engine and it made the company now known as the allison engine company a major force in aviation . 6 toward the end of world war ii general motors formed allison transmission to put the engineers expertise to work in a new field power transmissions for tracked military vehicles . the new division developed a transmission combining range change steering and braking . 7 8 after wwii allison transmission turned its attention to civilian transportation . allison designed developed and manufactured the first ever automatic transmissions for heavy duty vehicles including delivery trucks city buses and locomotives . 8 9 timeline edit 1940s edit 1949 allison begins production of cd 850 tank transmission division s most historically significant transmission 9 december 1949 first rail car transmission is produced ; installed in the budd rail car 1960s edit october 1960 first allison xt 1410 2 transmission is produced 10 june 1961 allison announces mt series transmissions july 1962 allison tt 2000 hydro powershift transmission is introduced march 1965 introduction of dual path dp 8000 largest single package allison powershift transmission to date july 1966 allison announces new dp 8960 for large off highway trucks citation needed november 1966 lithium chlorine fuel cell is unveiled citation needed october 1967 first prototype of the allison equipped u.s. army main battle tank is unveiled in washington d.c. 11 12 february 1969 allison introduces electric gearshift control system for off highway vehicles july 1969 apollo 11 astronauts make man s first landing on the moon ; allison propellant tanks are part of the descent stage citation needed 1970s edit september 1970 merge with detroit diesel engine to form detroit diesel allison division headquarters in detroit january 1971 allison introduces first 4 speed automatic transmission for 72 000 lb 33 000 kg . gvw highway vehicles ; allison model ht 740 citation needed april 1973 first fully automatic transmission for large trucks scrapers and other types of heavy duty off highway vehicles is introduced ; allison model clbt 750 1974 first european office is established citation needed 1980s edit october 1982 a new generation heavy duty automatic transmission the allison dp 8962 is announced ; incorporates over 15 new technology internal changes citation needed may 1983 gm sells allison gas turbine division ; allison becomes part of newly formed gm power products and defense operations group 13 june 1986 first x200 military transmission is released 14 december 1987 detroit diesel allison becomes allison transmission division of general motors citation needed 1990s edit february 1991 allison introduces electronically controlled world transmissions november 1995 allison adopts lean manufacturing principles and begins implementing allison production system aps a cellular manufacturing system ; some 10 000 machines and support equipment are re arranged through all plants 1999 hybrid bus program is demonstrated for new york city transit authority citation needed june 1999 allison introduces 1000 series and 2000 series fully automatic transmissions citation needed 2000s edit 2000 hybrid electric program is launched citation needed september 2000 test track 2000 is first customer ride and drive simulating real world operating conditions ; held at walt disney world in orlando florida citation needed january 2001 allison unveils first of its kind parallel hybrid technology november 2003 allison s ultimate truck driving adventure takes ride and drive experience to extremes in the high desert of nevada november 2003 allison vocational models are released to better serve specific applications may 2005 shanghai customization center is opened june 2007 gm announced that it was selling allison transmission to private equity firms the carlyle group and onex corporation in a deal valued at 5.6 billion . 15 the transaction closed on august 7 2007 . 2008 allison introduces on board prognostics on model year 2009 automatic transmissions 2009 allison took an approximately 10 % stake in u.k. based torotrak 16 2010 manufacturing plant opened in chennai india also establishing regional headquarters with executive marketing and sales offices citation needed june 2010 allison dedicates a new hybrid manufacturing plant in indianapolis indiana . 17 march 15 2012 initial public offering of 26.3 million shares of allison transmission stock at 23 share on the new york stock exchange under the symbol alsn . 18 october 27 2013 allison 10 speed tc10 transmission available for order at navistar 19 20 current revenues were at 1.985 billion a decrease from 2014 . 21 products edit past products edit allison v transmission vh vh2 vh4 vh5 vh6 vh7 vh9 vs1 vs2 6 vs2 8 v730 v731 vr731 vr731rh allison mh marine reverse and reduction gear allison at transmission at540 at542 at543 at545 allison mt transmission mt640 mt643 mt644 mt647 mt648 mt650 mt653dr mt654cr mtb643 mtb644 mtb647 mtb648 mtb653dr mtb654cr mt30 mt41 mt42 allison ht transmission ht740d ht740rs ht741 ht746 ht747 ht748 htb748 ht750crd ht750drd ht754crd ht755crd ht755drd htb755crd htb755drd allison world transmission md3060 md3060p md3560 md3560p md3066 md3066p hd4060 hd4060p hd4560 hd4560p current products by application 22 as of 2011 update edit bus series emergency vehicle series highway series hybrid bus series 23 motorhome series oil field series pupil transport shuttle series rugged duty series specialty series tractor series truck rv series military products 24 current commercial products by model 25 edit 1000 series 2000 series 3000 series 4000 series tc10 torqmatic series off highway series 5000 6000 8000 and 9000 hybrid bus series transit clients edit gm allison debuted the hybrid technology for transit buses in 2003 . through 2011 it intends to introduce 16 hybrid models . 26 in 2008 the number of gm allison hybrid buses are more than 2 700 units in 81 cities in the u.s. canada and europe . 26 this includes translink vancouver dresden germany king county metro transit authority massachusetts bay transportation authority minneapolis saint paul metro transit regional transportation commission of southern nevada southeastern pennsylvania transportation authority washington metropolitan area transit authority regional transportation district denver co maryland transit administration indianapolis public transportation corporation references edit allison transmission company overview allison transmission history allison transmission history 1910 1919 allison transmission history 1920 1929 wikipedia.org allison engine company allison transmission history 1930 1939 1 a b allison transmission history 1950 1959 a b allison transmission history 1940 1949 allison transmission publication sa5938en 2010 07 m551 allison transmission history 1960 1969 answers.com allison gas turbine division united defense m113 history reuters yahoo news gm selling allison for 5.6 billion 2007 06 28 permanent dead link sae off highway engineering online greater efficiency drives demand for automated transmissions 2009 04 29 truckinginfo.com 6 30 2010 allison dedicates new hybrid manufacturing plant allison transmission prices initial public offering allison tc10 new allison tc10 tractor transmission available for order at navistar revenue eps & dividend allison transmission holdings inc. alsn nasdaq.com . nasdaq.com . retrieved 2016 09 30 . allison transmission commercial products . retrieved 1 september 2011 . allison transmission commercial products hybrid bus . retrieved 1 september 2011 . allison transmission military current military programs . retrieved 1 september 2011 . commercial transmissions 1000 series . retrieved 1 september 2011 . a b http www.gm.com explore fuel economy news 2008 hybrids hybrid bus 012308 . jsp external links edit buses portal allison transmission official site hybrid buses edit hybrid buses will save an estimated 2.4 million us gallons 9 100 m3 of fuel annually in washington d.c. philadelphia and minneapolis st. paul low emissions hybrid buses . v t e the carlyle group 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