Unique need design keep spring out of the fluid path

Oversized needle bearings on the drive side

With this kit

lightweight and balanced for comfort

Wagner U550

2200 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump 21HP Unique need design keep springAnnovi Reverberi AR RHW1515N horizontal gas engine triplex plunger pump is rated up to 4 GPM at max 2200 PSI spins a 24mm solid shaft at 1450 RPM using a 3 4F inlet and 3 8"F discharge thread. N version with a gas engine flange. Max GPM 4 Max L Min 15 Max PSI 2200 MaxBar 150 Power EBHP 6 Bore Dia mm 18 Stroke mm 14. 6 Crankshaft ID Stamp 1 Inlet 3 4" F Outlet 3 8" F Max Temp 180 F Oil Capacity (oz) 32 Weight 20 RPM 1450 Shaft Size 24mm Shaft Version N