... have passed 3C, GS, CE , EPA , CARB , etc . Professional technology , high quality , competitive price , good service , the products ... pump . Where the engine spins as 3,600 RPM the pump will be slowed from 1,100 to ... 1,600 RPM depending on the pulley and belt set up. ... WasherXII. Certificates of Gasoline High Pressure Washer Professional Hot Water High Pressure Washer