Drivetrain

The drive axle on a truck converts engine torque into wheel rotation and powers the truck along the road. On most semi-trucks, the drive axle sits at the rear of the tractor, behind the cab and the steer axle. On a conventional road tractor or most heavy‑duty trucks, the drive axle is the only axle […]

A clutch brake is a friction disc attached to the input shaft of the transmission. It keeps the input shaft from turning when you fully press the clutch pedal so you can engage first gear or reverse in a non-synchronized truck transmission from a complete stop without grinding gears. New semi truck drivers sometimes get