Patent ID: 7377105

Claim:
A hydraulic pump unit for mounting on a frame of a vehicle, the pump unit comprising: an end cap having a first side, a second side and porting formed within the end cap; a pump housing attached to the first side of the end cap, the pump housing including a pump chamber formed therein; a gear chamber cover attached to the second side of the end cap and forming a gear chamber therein; first and second hydraulic pumps rotatably mounted in the pump chamber, the hydraulic pumps being mounted on the first side of the end cap and driven by respective pump shafts; an auxiliary pump mounted to the first side of the end cap, and in fluid communication with the first and second hydraulic pumps, and being driven by an auxiliary shaft; a gear set mounted in the gear chamber and drivingly engaged to each of the pump shafts and the auxiliary shaft; and a main drive shaft drivingly engaged to the gear set, where the pump shafts and auxiliary shaft are driven by the main drive shaft and where the main drive shaft has a first end extending from the pump housing and directly coupled to a prime mover.