There are two types of locking differentials: selectable or automatic. An auto locking differential, aka locker, does not have an external connection outside the axle housing and automatically locks or unlocks depending on the forces put upon on it. Here, @eatonperformance gives a great explanation of how the Detroit auto Locker works. ♻️ from Eaton・・・Do you have the legendary Detroit Locker in your car, truck, or Jeep?The Detroit Locker is an automatic locking differential that provides ultimat

A car differential is a mechanical device found in the drivetrain, usually between the drive wheels (either at the front, rear, or both). Its main purpose is to allow the wheels to rotate at different speeds while still receiving power from the engine. Why is this needed? When a car turns, the wheels on the outside of the turn travel a longer distance than the wheels on the inside. If both wheels were forced to spin at the same speed (like with a solid axle and no differential), the tires would