REDUNDANT, FAULT TOLERANT TRACTION DRIVE AXLE FOR VEHICLE

A system for a vehicle is disclosed. The system comprises a gear box. The gear box comprises a first shaft coupled to a first motor and a second shaft coupled to the second motor and a third shift. Each shaft extends through a respective pinion. The gearbox has a first shifter for the first motor and a second shifter for the second motor. The shifters are configured to selectively engage a respective pinion to an appropriate shaft as needed. The gear box further comprises a fourth shaft extending through a first gear and a second gear and an other pinion. The first gear meshes with a first pinion. The second gear meshes with a second pinion. The other pinion meshes with a third pinion and a fourth gear. A differential is mechanically coupled to the fourth gear and a left axle shaft and a right axle shaft.