Center-Locking Differential, Glossary and Terms, Automotive, Motorcycle, Boat Dealers
List of United States Automotive, Motorcycle, Boat, Dealers, Service Stations
On all-wheel drive vehicles, a third differential in addition to those for the front and rear axles. This third differential allows the front and rear wheels to turn at different speeds as needed for cornering on dry pavement. On slippery surfaces, it locks all four wheels together, either automatically or manually depending on the system, for greater traction.