When GM launched new-generation trucks for the model year 2020, the Allison automatic was gone. The trucks still got the ...

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

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

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

After more than 20 years of collaboration, GM and Allison Transmission will end their licensing agreement at the end of 2025.