Transmission trouble is the kind of surprise that empties a savings account in one shot, […] ...

With their debut in the 1990s, GM's 4L60E and 4L80E transmissions reveal some of their differences –- and similarities –- right in their names. The "4" and "L" respectively refer to the number of ...

GM has added $300 million to its Romulus Propulsion Systems plant to expand 10-speed transmission production, reinforcing its U.S. manufacturing footprint ahead of the company’s 2027 model surge. GM ...

General Motors and Allison Transmission share a history that goes back to 1928, when the brand was known as Allison Engineering Company. GM pairs the Allison 10-speed with its Duramax diesel and ...

Say it isn’t so! Hearts are breaking around the world as General Motors breaks up with Allison Transmission. Chevrolet and GMC trucks have been proudly wearing the Allison name since 2001. Now ...

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 ...

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 ...

General Motors trucks have worn Allison Transmission branding for decades, but that will stop after Dec. 31, 2025. The two parties were unable to reach an agreement to extend their longstanding ...

The General Motors 8L family of transmissions has been in service since 2014, gradually replacing older 6L six-speed units across much of the company's lineup. The bigger 8L90 was the first GM 8-speed ...

General Motors LLC prevailed Friday in its bid to decertify more than two dozen state-wide classes in litigation over allegedly faulty transmissions. “Because the subclasses do not meet the rigorous ...