Patent ID: 7980339

Claim:
A vehicle power transmission system comprising: a prime mover supported by a vehicle frame, the prime mover including a prime mover output shaft projecting in the fore-and-aft horizontal direction of the vehicle; a pump housing; a hydraulic pump disposed in the pump housing, the hydraulic pump including a pump shaft projecting from the pump housing in the fore-and-aft horizontal direction of the vehicle so as to be drivingly connected to the prime mover output shaft; a hydraulic motor disposed outside of the pump housing so as to be fluidly connected to the hydraulic pump; a transaxle supported by one of front and rear portions of the vehicle frame, the transaxle including a transaxle housing, a pair of axles disposed in the transaxle housing so as to be driven by the hydraulic motor, and a differential gear unit disposed in the transaxle housing so as to be drivingly interposed between the hydraulic motor and the pair of axles; a power take off shaft (a PTO shaft) extended in the fore-and-aft horizontal direction of the vehicle; a working unit having an input shaft extended in the fore-and-aft horizontal direction of the vehicle; a propeller shaft interposed between the PTO shaft and the input shaft of the working unit; and a drive train extracting a part of power transmitted from the prime mover output shaft to the pump shaft so as to transmit the extracted power to the PTO shaft.