| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic four-wheel-drive utility vehicle capable of changing a variable region of driving speed and driving torque of driving wheels. SOLUTION: The hydraulic four-wheel-drive utility vehicle includes a pair of first wheel motor devices and a pair of second wheel motor devices for driving a pair of first driving wheels and a pair of second driving wheels on one side and the other side in the front and rear directions of the vehicle, respectively. Each wheel motor device includes a hydraulic motor body, a motor-side capacity adjustment mechanism, a hydraulic actuation mechanism, and a housing. The hydraulic actuation mechanisms in the four wheel motor devices get their operation controlled by hydraulic fluid from a single hydraulic source. COPYRIGHT: (C)2009,JPO&INPIT
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