General Motors (GM) has announced the removal of Allison Transmission badging from its heavy-duty Chevrolet Silverado and GMC ...

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.

GM is taking the unprecedented step of removing some of the badging on its unsold trucks starting in 2026. Here's how GM ended up in this weird situation.