RKA4G40HN-L PUMP by AR PUMPS (5922)The RKA4G40HN L pump by AR Pumps feature Max GPM 4 Max L Min 15. 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 Replacement Parts Check Valves Kit Water Seals Kit Oil Seals Kit Pistons Kit Pump Manual Parts Breakdown