3000 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump manualreprice Technical Specification Air Inlet Size pmax ad hose reel 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 This Graco hydraulic sump filter (SKU 116919) is the replacement filter listed as Ref Max GPM 4 Max L Min 15 2 Bore Dia mm 18 Stroke mm 12 Crankshaft ID Stamp 4 Inlet 1 2" F Outlet 3 8" F Max Temp 140° F Oil Capacity (oz) 15 Weight 19 RPM 1750 Shaft Size 24mm Shaft Version N Shaft Type Solid