Disclosed is a four wheel drive vehicle with four wheels drivable, which is provided with a first slip control apparatus for reducing a driving force to the wheels by operating a brake mounted on each of the wheels and with a second slip control apparatus for reducing a driving force to the wheels by...http://www.google.co.uk/patents/US5083631?utm_source=gb-gplus-sharePatent US5083631 - Slip control apparatus for a four wheel drive vehicle
Slip control apparatus for a four wheel drive vehicle
