This pressure washer pump is a direct drive plunger pump rated at 275 bar (4000psi) and 15L/min (4GPM), built around a brass pump head with a black oxide aluminium housing. Model SJF-1807Q is sized for a 13hp (10kW) engine or motor running at 3400rpm, and fits pressure washers with a horizontal shaft.
Features and benefits:
- 275 bar (4000psi) at 15L/min (4GPM): high pressure and steady flow for heavy cleaning work
- Brass pump head with three stainless steel plunger caps: a tough water end for repeated use
- Black oxide aluminium housing with a zinc alloy connecting rod: stands up to workshop and site conditions
- Brass pressure regulating valve with a black adjustment knob: set the working pressure by hand. The seller states the pressure is not set to maximum at the factory, to protect the spring
- Pressure gauge on the pump: read the working pressure while you adjust
- Oil level lens: check the oil without a dipstick. Fill to half of the lens when the pump is level
- 1 inch shaft and mounting flange with multiple bolt holes: bolts to a compatible horizontal drive shaft, with four mounting bolts supplied
- 3/4 inch inlet and 3/8 inch quick-connect outlet: standard hose sizes for most washer set-ups
Applications:
- Replacing a worn pump on a petrol pressure washer
- Building a pressure washer from an engine or motor
- Cleaning floors, walls, paths, roads and vehicles
- Washing down building sites and plant
In the box:
1 x pressure washer pump, 1 x English manual, 4 x mounting bolts, a set of O-rings, a clear plastic inlet hose and a black pressure adjustment knob, with the accessories needed for installation.
Note: For cold water use only. The pump is supplied without oil, so fill it before use with SAE15W-40, and change it about every 60 hours of operation. Never run the pump above its maximum 275 bar (4000psi) rating, as this can damage the pump or cause injury. Assembly is required, so read the manual and its safety instructions first.
Model: SJF-1807Q. Pump type: Plunger pump, direct drive. Maximum pressure: 275 bar (4000psi). Flow: 15L/min (4GPM). Rated power: 13hp (10kW). Speed: 3400rpm. Shaft diameter: 1 inch. Inlet: 3/4 inch. Outlet: 3/8 inch quick-connect. Material: Brass, aluminium. Finish: Black oxide. Oil grade: SAE15W-40. Water temperature: Cold water only. Colour: Black. Product size: 30.36 x 25.63 x 20.29cm. Package size: 32 x 24 x 18cm. Gross weight: 10kg. Pump head: One-piece brass, three stainless steel plunger caps. Connecting rod: Zinc alloy. Pressure control: Brass regulating valve with black adjustment knob. Gauge: Pressure gauge fitted. Oil check: Oil level lens, fill to half. Oil change interval: About every 60 hours. Supplied with oil: No, add oil before use. Assembly: Required. Q: What oil goes in a pressure washer pump? A: This pump takes SAE15W-40 oil. It is supplied dry, so add oil before first use and change it about every 60 hours of operation.. Q: How much oil does the pump need? A: Fill the oil to half of the oil level lens while the pump is level. There is no dipstick, so check the level through the lens.. Q: Can this pump run on hot water? A: No. It is for cold water use only.. Q: Is this a replacement pump for a petrol pressure washer? A: It can serve as one on a horizontal shaft machine with a 1 inch shaft and a matching mounting flange. Match the shaft, bolt pattern, power and speed to your engine before ordering.. Q: How do I set the pressure? A: Turn the black adjustment knob on the brass regulating valve and watch the pressure gauge. The pressure is not set to the maximum at the factory, so adjust it to suit the job and stay within 275 bar (4000psi)..