AR Pump 1750RPM Replacement Pressure Washer Pump XWAM4G40N

Max GPM: 4
Max L/Min: 15
Max PSI: 4000
Max BAR: 275
Power EBHP: 11
Bore DIA MM: 20
Stroke MM: 13.8
Crankshaft ID Stamp: 6

140°F – Max Water Temp
3/4”F – Inlet Thread
3/8”F – Discharge Thread
32 oz – Oil Capacity

Repair Kits

Model	Description	Quantity
AR2780	Valves	6
AR2288	PistonsØ20 (XWAM)	3
AR2543	PistonsØ22 (XWA)	3
AR2278	Water SealsØ20 (XWAM)	3
AR2783	Water SealsØ22 (XWA)	3
AR2781	Oil Seals	6
AR2279	Piston GuidesØ20 (XWAM)	3
AR2785	Piston GuidesØ22 (XWA)	3

Special Parts/Kits

Model	Description
AR2748	Rail Kit 1-1/4” (2 rails & 4 bolts)
AR2748H	Rail Kit 2-1/2” (2 rails & 4 bolts)
U-Bracket/Kit	Rail Kit 1-1/2” (2 rails & 4 bolts)
AR2778	Viton Water SealsØ20
AR2779	Viton Water SealsØ22
AR980069	Packing Extractor
AR64516	Oil (16oz)