By replacing the lower portion of the pump with parts from the Endurance Kit

Wagner U550

lightweight and balanced for comfort

3 Year limited HONDA engine warranty

Oversized needle bearings on the drive side

2200 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump 21HP By replacing the lower portionAnnovi 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