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) ...

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) ...

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 ...