Patent ID: 7588104

Claim:
A vehicle, comprising: a first frame disposed at either a front or a rear portion of said vehicle; a prime mover mounted on said first frame; a first transaxle apparatus mounted on said first frame, said first transaxle apparatus including an input shaft receiving power from said prime mover, a pair of first axles, and a hydrostatic transmission, wherein said hydrostatic transmission includes a hydraulic pump driven by rotating said input shaft and discharging fluid variably in quantity and direction, a first hydraulic motor for driving said first axles, a fluid passage fluidly connecting said hydraulic pump to said hydraulic motor, a second frame disposed at the other of said front or rear portions of said vehicle; a second transaxle apparatus mounted on said second frame, said second transaxle apparatus including a pair of second axles; and a coupling part for coupling said first and second frames to each other so that said first and second frames are rotatable around a vertical axis relative to each other according to a steering operation, wherein said hydrostatic transmission of said first transaxle apparatus includes a flexible port disposed in a surface of said housing and fluidly connected to said fluid passage, the flexible port having a directionally adjustable connection portion, and wherein said second transaxle apparatus includes a second hydraulic motor fluidly connected to said connection portion of said flexible port so as to drive said pair of second axles.