US Patent 7146810 Pump assembly

A dual pump apparatus for use on a vehicle or industrial application having a housing in which a plurality of hydraulic pumps are mounted and driven by a prime mover. The prime mover is drivingly coupled to a main input shaft, which drives the hydraulic pumps. An auxiliary pump may be drivingly coupled to the main drive shaft and a power take off unit may also be connected thereto. The power take off unit may be driven by a hydraulic motor.