Patent ID: 8506439

Claim:
A wheel drive system for a motor vehicle, comprising: a first axle assembly including a first pair of axles each connected to a wheel, a first differential drivingly connected to said axles and a first motor drivingly connected to said first differential; and a second axle assembly including a second pair of axles each connected to a wheel, a second differential drivingly connected to said second pair of wheels, at least one override assembly drivingly interconnecting said second differential and one of said second axles and a second motor drivingly connected to said second differential, wherein said overriding assembly includes a first linked set of gears and a clutch selectively drivingly interconnecting a cage of said second differential and said one of said second pair of axles and a second linked set of gears and a clutch selectively drivingly interconnecting said cage of said second differential and said one of said second pair of axles.