4000 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump 48 in. Consists of: See Owner s Manual Consists of: B 695 Rental Hi Boy (245000 Sprayer) 245050 795 II Ultra Max Std Hi boy 248038 795 II Ultra Max Prem Hi boy 248032 1095 Ultra Max (Display) 245030 1595 II Ult MX Prem Hi boy 826045 1595 II Ult MX Std Hi boy 826051 1595 II Ult MX Prem Hi boy 826053 1595 II UltraMax Prem Hi boy 248035 1595 II UltraMax Std Hi boy 248040 1595 II UltraMax Premium Hi Boy 253059 1595 II UltraMax Standard Hi Boy 253060 1595 II UltraMax Prem 1 Max PSI 4000 MaxBar 275 Power EBHP 11 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 20 RPM 1750 Shaft Size 24mm Shaft Version N Shaft Type Solid Annovi Reverberi AR RKA4G40HN horizontal gas engine triplex plunger pump is rated up to 4 GPM at max 4000 PSI spins a 24mm solid shaft at 1750 RPM using a 1 2”F inlet and 3 8"F discharge thread