KP35B series pmnps are mainly applied in the hydraulic system of 4-6 tons capacity dump truck as the hydraulic power source of the bucket cylinder. The bucket can be lifted and lowered by operating the joystick on the control valve, which was assembled with the pump as a whole body in inner-connected way. Theoretical Displacement: 35ml/r Max testing pressure: 175kgf/cm2 Rated pressure: 45kgf/cm2 Force on the steel cable of control valve:10kg Total weight of oil pump: 10kg