An automotive relationship that goes back 55 years is about to come to an end. Allison and General Motors are parting ways completely at the end of 2025. A new report says that GM dealers have been ...

General Motors will discontinue use of the Allison branding with regard to the 10-speed automatic equipped by the Chevy Silverado HD and GMC Sierra HD, ending a long-standing arrangement that tied The ...

Ever since 2001, heavy-duty Chevrolet Silverados and GMC Sierras have worn badges bragging of their Allison transmissions. Boasting of a particular transmission might seem like a weird flex, but in ...

Allison Transmission has been an integral part of America's automotive technology with a long resume specified by more than 200 auto manufacturers. This age-old transmission company has played a big ...

INDIANAPOLIS--(BUSINESS WIRE)--Allison Transmission, a leading designer and manufacturer of conventional and electrified vehicle propulsion solutions for tactical wheeled and tracked defense vehicles, ...

GM and Allison Transmission will officially end their heavy-duty truck partnership in 2026, concluding a collaboration that began with the Duramax diesel era in 2001. By June 29, 2026, GM must remove ...

When it comes to heavy-duty transmissions, Ford's TorqShift (used in the F-Series Super Duty pickups) and General Motors' Allison transmissions (found in Chevrolet Silverado and GMC Sierra HD pickups) ...

Allison Transmission has spent more than a century turning a niche engineering specialty into a global franchise in heavy-duty automatics, while General Motors has steadily stepped back from a ...

Anyone looking for comparisons between Aisin and Allison transmissions is interested in how the two models hold up when towing heavy loads behind today's diesel-powered heavy-duty pickup trucks, ...

Chevron’s new fully synthetic Delo Syn ATF 668 is licensed and approved by Allison for automatic transmissions requiring TES 668-compatible fluids. Chevron says Delo Syn ATF 668 was designed for ...