The hydraulic power unit is composed of DC motor, high pressure gear pump, multi-purpose integrated manifold, solenoid valve, tank and other parts.

It is a typical hydraulic circuit of power up, power or gravity drop.

The down pressure is controlled by the second relief valve, and the down speed is adjusted automatically by the pressure compensation type throttle valve.

It is widely used in small dump truck, hydraulic winch, anti-collision buffer car etc.