INDIANAPOLIS--(BUSINESS WIRE)--Allison Transmission is pleased to announce an online subscription service that provides users with access to a vast collection of service literature and product manuals ...

Next year, heavy-duty GM trucks will lose their Allison badges, even though the transmissions themselves won't change.

Allison Transmission has been an integral part of America's automotive technology with a long resume specified by more than 200 auto manufacturers. This age-old transmission company has played a big ...

After more than two decades working together, General Motors and Allison Transmission are officially splitting up.