Patent ID: 6932179
Filing Date: 2005-08-23
Classification: B60K,B60Y

Abstract:
1. A hydraulic four-wheel driving apparatus for a vehicle having a pair of left and right first drive wheels and a pair of left and right second drive wheels, the first drive wheels and the second drive wheels being distributed between the back and front of the vehicle, and at least the second drive wheels are steerable, comprising: a transmission casing supporting the first drive wheels; a hydraulic pump disposed integrally with the transmission casing, the hydraulic pump being driven by a power source outside the transmission casing; a first hydraulic motor for driving the first drive wheels fluidly connected to the hydraulic pump, the first hydraulic motor being disposed integrally with the transmission casing; and a second hydraulic motor for driving the second drive wheels fluidly connected to the hydraulic pump, the second hydraulic motor being disposed integrally with the transmission casing and disposed on one side of the first hydraulic motor toward the second drive wheels.