Patent ID: 7621353

Claim:
A vehicle transmission, comprising: a transmission casing incorporating a distributing drive train; an input shaft of said distributing drive train in said transmission casing, said input shaft being disposed in the substantially laterally middle portion of said transmission casing so as to project from said transmission casing toward a prime mover in the fore-and-aft direction of the vehicle; a pair of left and right lateral axles; a pair of left and right HSTs, each of said HSTs drivingly interposed between said distributing drive train in said transmission casing and each of said axles, each of said HSTs including: a hydraulic pump having an axial pump shaft, wherein said pump shafts of both said left and right HSTs are drivingly connected to said distributing drive train so as to receive power from said distributing drive train, a hydraulic motor having an axial motor shaft perpendicular to said pump shaft, wherein said motor shaft of said left HST is extended coaxially to said left axle and is drivingly connected to said left axle so as to transmit power from said left HST to said left axle, and said motor shaft of said right HST is extended coaxially to said right axle and is drivingly connected to said right axle so as to transmit power from said right HST to said right axle, and an oil duct plate disposed in said transmission casing, wherein said hydraulic pump and motor are mounted onto said oil duct plate to be fluidly connected to each other; and a PTO shaft for taking off power from said distributing drive train disposed in a substantially lateral middle portion of said transmission casing and projecting from said transmission casing opposite to said prime mover in the fore-and-aft direction of the vehicle.