How Do Locking Differentials Work? | Eaton Performance

Locking differentials - generically referred to as lockers or diff locks - can lock the axles together to provide 100% of available torque to the wheel with traction. During turns, a locking differential operates like an open differential - the wheels can rotate at different speeds. However, when traction is needed, the axles can be mechanically locked together forcing the wheels to rotate at the same speed. This is especially helpful in off-roading situations when one wheel is off the ground or on an otherwise very low traction surface. When locked, the wheel in the air doesnt receive any torque because there is no traction and the wheel on the ground receives all the torque, allowing the vehicle to move.

Eaton makes several locking differentials, including the ELocker and Detroit Locker.

Learn more here: https://www.eaton.com/us/en-us/products/differentials-traction-control/locking-differentials.html

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0:25 Eaton Detroit Locker
0:52 Eaton ELocker