Patent ID: 8312956
Filing Date: 2012-11-20
Classification: B60K,B60T,B60W

Abstract:
1. A work vehicle including: a chassis; a front wheel assembly supporting the chassis and including a first axle and a pair of wheels coupled to the first axle; a front brake coupled to the front wheel assembly and configured to apply a braking force to the front wheel assembly to inhibit rotation of the first axle; a rear wheel assembly supporting the chassis and including a second axle and a pair of wheels coupled to the second axle; a drive shaft coupled between the front wheel assembly and the rear wheel assembly; a differential coupled to the drive shaft, the differential including a lock device configured to substantially block operation of the differential; a direction sensor configured to detect a moving direction of the vehicle; a controller in communication with the differential and the direction sensor, the controller being configured to engage the lock device upon detection of the vehicle moving in a reverse direction.