Axial High Pressure Washer Pump 2700 psi 6.5 HP 3/4" Shaft fits Cat General AR Power Washer Axial Horizontal Pump series 15 Full Brass Head Flow Rate 3.0 GPM Pressure 2700 PSI 3/4 Inches shaft suitable for engine 5.5 and 6.5 HP like GX160 PLUNGER SEALS Germany Parker, U type Include detergent injector and Thermal relief valve