2WD-4WD change-over control system responsive to rainfall and ac
2WD-4WD changeover control device
4-wheel coordinated steering multi-purpose tractor
4WD vehicle torque distribution device incorporating friction en
4WD vehicle with driving force distribution control
A driving force distribution transmission for vehicles with four
Active control for distributing driving force over four-wheels o
Active driving force control for four-wheel drive vehicle
Active hydraulically actuated on-demand wheel end assembly
Actuation of a differential lock
Actuator for 4-wheel drive vehicle
Adapter case assembly in four-wheel drive vehicle
Adaptive vehicle drive method for extreme operating conditions
Adaptive vehicle drive system for extreme operating conditioning
Agricultural work vehicle
Air actuated clutch for four wheel drive vehicles
All terrain or utility vehicle having selectable drive...
All terrain vehicle
All wheel drive for a motor vehicle
All wheel drive system for a motor vehicle