The Udor KAPPA-150/CC Diaphragm Pump is a four diaphragm, high pressure, high volume pump with a control unit and pulsation dampener. The pressure gauge, adjustable pressure regulator, and manual dump lever make this unit ideal for commercial users. The thru shaft on this unit has a forward-facing six-spline male PTO shaft for use with belt and pulley for gasoline engines or can be attached directly to your PTO.