When we first rolled our 2002 Chevy Silverado 2500HD into the bay at PPE Diesel's shop in Montclair, California, we thought for sure the transmission was toast. Interestingly, upon inspection it was ...

This video showing a Chevy Silverado’s heavy-duty Allison transmission undergoing a rebuild will leave you in awe of the sheer complexity of it all. Automatic transmissions are the most fascinating ...

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 ...

GM is ending its long tradition of Allison transmissions in its HD pickups, but the Silverado MD still features a true Allison transmission. This 2026 Chevy Silverado 6500 will still have an Allison ...

General Motors has redesigned its large 2500HD truck line for 2020. (The 2500 references a three-quarter ton payload capacity. This is a historic reference; modern trucks in this class can haul much ...