1Precise Control: The dump truck proportional control valve allows for precise control, improving the accuracy and efficiency of truck unloading. 2Valve Design: The valve is installed inside the cabin and has four working positions to control the raising, neutral, lowering, and power take off functions. 3High Performance: The dump truck Pto switch automatically disengages the power take off unit when the vehicle is lowered, and is equipped with warning lights to ensure safe operation. 4Easy Operation: The Pto control valve is designed for easy and user friendly operation, allowing for smooth and efficient control of the power take off unit. 5Versatile Application: The proportional control valve is widely used in the hydraulic systems of dump trucks and is suitable for most vehicle models.