| 摘要 |
A control system for a four-wheel drive vehicle powered by an engine, having a hydraulically operated transfer clutch for transmitting the power of the engine to auxiliary driving wheels. A hydraulic circuit is provided for controlling the transfer clutch, and an electric circuit is provided for controlling the hydraulic circuit. The hydraulic circuit and electric circuit are so arranged that the clutch engaging torque decreases with a decrease of the load on the engine, thereby preventing tight corner braking during sharp cornering.
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