If there’s a name that General Motors truck buyers trust, its Allison. The Indianapolis-based engineering firm, which was once a owned by GM, introduced its 1000-series transmission in 1999, which has ...

GM and Allison Transmission, longtime partners on heavy-duty truck powertrains, are parting ways, as first reported by TFL Truck. The rollout of GM's 10-speed automatic in 2020 marked the end of ...

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The progressive build of our ’07 Chevy 2500 Duramax diesel project truck was much like the average diesel owner might experience. We began with suspension upgrades and added a tuner, followed by ...

Allison Transmission Holdings Inc. and Duramax signage are displayed on a General Motors Co. (GM) Chevrolet 2020 Silverado HD pickup truck during a reveal event at the GM assembly plant in Flint, ...