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

The two brands have worked together for decades, but they couldn't reach an agreement to extend their longstanding licensing deal.

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

While GM is preparing to retire the Allison Transmission branding from its HD pickups, the Chevy Silverado MD will continue ...

GM is ending its long tradition of Allison transmissions in its HD pickups, but the Silverado MD still features a true ...

Break up alert! General Motors is done with Allison Transmission as their contract ends. They'll no longer wear that ...

When we started our 2002 Chevrolet Silverado 2500 Duramax project a couple years ago, we set out with a few goals in mind. We wanted the truck to be reliable, first and foremost. We also wanted to put ...

This video showing a Chevy Silverado’s heavy-duty Allison transmission undergoing a rebuild will leave you in awe of the sheer complexity of it all. Automatic transmissions are the most fascinating ...

INDIANAPOLIS--(BUSINESS WIRE)--Allison Transmission Holdings Inc. (NYSE: ALSN), the largest global provider of commercial duty fully automatic transmissions, announced today, along with Chevrolet, the ...

When we first rolled our 2002 Chevy Silverado 2500HD into the bay at PPE Diesel's shop in Montclair, California, we thought for sure the transmission was toast. Interestingly, upon inspection it was ...