3000 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump manualreprice Surface Preps Industrial Parts and 227 Bins Surface Preps Industrial Parts and Finishes 3D Manufactured Parts Technical Specification Air Inlet Size (in) 3 8 Air Inlet Thread Gender Female Air Inlet Thread Type NPT Air Motor Effective Diameter (in) 3 Application Industrial Compatible Material Grease Cycles Per Gallon 345 Fluid Inlet Thread Gender Female Fluid Inlet Thread Type NPT Fluid Inlet Type Slotted Fluid Outlet Size (in) 1 4 Fluid Outlet Thread Gender Female Fluid Outlet Thread Type NPT For Use With Grease Maximum Air Consumption (SCFM) 22 Max GPM 4 Max L Min 15 Annovi Reverberi AR RKA4G30AN horizontal gas engine triplex plunger pump is rated up to 4 GPM at max 3000 PSI spins a 24mm solid shaft at 1750 RPM using a 1 2”F inlet and 3 8"F discharge thread