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

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 ...

The modern-diesel era is slowly phasing out the manual transmission. And not just in the pickup world, but in the medium-duty segment as well. With ever- improving lockup torque converters, electronic ...

Allison Transmission Inc. announced it has manufactured its one-millionth 1000/2000 Series transmission. Jim Wanaselja, vice president of North American marketing sales and service for Allison ...