Patent ID: 6231466
Filing Date: 2001-05-15
Classification: B60K,B60Y,F16H,Y10T

Abstract:
An axle assembly comprising a housing having an internal chamber for an internally disposed hydrostatic transmission and forming an integral part of said hydrostatic transmission, said hydrostatic transmission comprising a variable-displacement hydraulic pump and a fixed-displacement hydraulic motor; speed reducing gearing in said housing and drivingly connected to said hydraulic motor; first and second axle shafts rotatably supported in said housing and a mechanical differential disposed within said housing, said differential drivingly connected between said speed reducing gearing and said axle shafts; said housing comprising first and second case portions joined together along a first parting-plane disposed perpendicular to the longitudinal axes of said axle shafts and a radiator member portion connectable about an opening provided in at least one of said first and second case portions along a second parting-plane disposed parallel and offset with respect to the longitudinal axes of said axle shafts; said radiator member portion containing within its internal structure fluid power transmitting passages for connecting said hydraulic pump and said hydraulic motor together, and wherein the first axle shaft is journaled in the first case portion and the second axle shaft is journaled in the second case portion.