Info

The hedgehog was engaged in a fight with

Read More
Q&A

When was the Allison 4 speed transmission introduced?

When was the Allison 4 speed transmission introduced?

October 1967—First prototype of the Allison-equipped U.S. Army main battle tank is unveiled in Washington, D.C. 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).

What did Allison Transmission do after World War 2?

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. This Section is in list format, but may read better as prose.

When did James Allison start his racing team?

In addition to funding several race teams, James Allison established his own racing team in 1915 and quickly gained a reputation for his work on race cars and automotive technology in general.

When did GM Allison start making hybrid buses?

GM-Allison introduced hybrid technology for transit buses in 2003. Through 2011, it intends to introduce 16 hybrid models. As of 2008, there are more than 2,700 GM-Allison hybrid buses operating in 81 cities in the U.S., Canada and Europe.

October 1967—First prototype of the Allison-equipped U.S. Army main battle tank is unveiled in Washington, D.C. 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).

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. This Section is in list format, but may read better as prose.

In addition to funding several race teams, James Allison established his own racing team in 1915 and quickly gained a reputation for his work on race cars and automotive technology in general.

When was Allison Transmission sold to Carlyle Group?

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. The transaction closed on August 7, 2007. 2009—Allison took an approximately 10% stake in U.K.-based Torotrak manufacturer of Infinitely Variable Transmission (IVT).