ALLISON TRANSMISSION

'Allison Transmission Incorporated' is a manufacturer of automatic transmissions for medium and heavy-duty commercial vehicle applications. Recently operated as a subsidiary of General Motors (Powertrain Division), the company's headquarters are located in Indianapolis, Indiana. On August 07, 2007, GM announced that it completed the sale of its Allison unit to private equity firms The Carlyle Group and Onex Corporation, in a deal valued at $5.6 billion.[1]
The original Indianapolis plant dates to the September 14, 1915 founding of the Indianapolis Speedway Team Company by James A. Allison. Changing its name in 1918 to the Allison Experimental Company, the company contributed to the United States' buildup to fight World War I. In 1909, James Allison started the Indianapolis 500 race to prove the automobile components they manufactured. Now known as the Allison Engineering Company, Allison produced bearings for the Liberty engine.
In addition to its Indianapolis plant, Allison operates manufacturing facilities in Szentgotthard (Hungary), and Santo Amaro (Brazil).
General Motors purchased the company in 1929 on the death of the founder, becoming the Allison Division in 1934. The company's V1710 12-cylinder aircraft engine made the Allison Engine Company a major force in aviation. In the 1960s, the company produced the M551 and M109 for the military.
In the 1940s, Allison introduced the CD-850 tank transmission, transforming the company again. The company's MT-25 was its first major success in on-road transmissions, and the company continues to produce high-torque automatic transmissions today. Allison six-speed automatic transmissions can commonly be found fitted to buses from
Motor Coach Industries.
Allison Transmission developed the hybrid electric technology that General Motors will use in the forthcoming hybrid-drive vehicles, and is incorporated in hybrid propulsion systems for buses primarily assembled by New Flyer Industries and Gillig Corporation.[1]
Hybrid Electric EP50 Drive Unit


Contents
Products
References
External links

Products



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 1000 transmission — 1000, 2000, 2400

Allison 3000 transmission — MD3060, MD3060P, MD3560, MD3560P, MD3066, MD3066P

Allison 4000 transmission — HD4060, HD4060P, HD4560, HD4560P

Allison HT transmission — HT740D, HT740RS, HT741, HT746, HT747, HT748, HTB748, HT750CRD, HT750DRD, HT754CRD, HT755CRD, HT755DRD, HTB755CRD, HTB755DRD

Allison V transmission — VH, VH2, VH4, VH5, VH6, VH7, VH9, VS1, VS2-6, VS2-8, V730, V731, VR731, VR731RH

★ EP40 & EP 50 Hybrid Electric Drive Units

Allison World Transmissions - B300, B300R, B400, B400R, B500, B500R

References


1. Reuters/Yahoo! News: "GM selling Allison for .6 billion," 2007-06-28

External links



Allison Transmission Official site

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