An all wheel drive system

An all wheel drive system for a vehicle is presented, comprising a first clutch (17) for control of transfer of torque to the rear wheels (9, 10), and a second clutch (19) is provided for control of transfer of torque to the front wheels (4, 5). Preferably, the first and second clutch (17, 19) are located in different areas of the vehicle. Preferably, the second clutch (19) is located between a differential (6) for the front wheels and one of the front wheels (5).