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 ...

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 ...

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 ...

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 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 ...

Found in work trucks, pickups, and defense vehicles, Allison Transmission manufactures medium to heavy-duty automatic transmissions. What started as a small company based in Indianapolis, Indiana, in ...