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.

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.

After decades of GM HD trucks using Allison Transmissions, the partnership is ending on December 31, 2025. This news comes at ...

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

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 ...

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