EW4040 AAA Pressure Washer Pump 4.0 GPM @ 4400 PSI Static 1 Inch Hollow

Service Note:

A Maximum Pressure of 4400 PSI is achieved when the EW4040 pump is coupled with a 420CC Engine, smaller engine will produce a lower maximin running pressure.

Not intended to be used in hot water applications. Has a max temperature rating of 140 degrees F.

Attention Please Note:

Some of the DW3635 series pumps were mislabeled from the factory and came labelled as EW4040 series pumps. Please verify the correct pump before ordering any replacement parts.

• 4400 PSI @ 4.0 GPM
• Proven AAA Technology Max PSI 4400
• Fully adjustable unloader system with ergonomic control
• Sight glass and advanced oil seal technology, does away with the need for a dipstick
• Thermal relief protection to prevent pump overheating
• Dual oversized radial ball bearings are installed for better wear, friction resistance and precision ceramic coated pistons for extended seal life
• Crankcase is manufactured from fully anodized die-cast aluminum for corrosion protection and is sealed to prevent contamination and lube failure
• Gas engine flange and hollow shaft that fits most horizontal shaft engines

• PSI: 4400
• Flow Rate: 4 Gallons per Minute
• Inlet Port: 3/4 Garden Hose Connection
• Discharge Port: 3/8" Quick Connect Female
• Inlet Pressure Range: 10-60 PSI
• Thermal Relief Port: 1/4 NPT
• Shaft Diameter: 24 mm/1 Inch
• Key Way: M8/ 1/4
• Pump Oil Capacity: 11 fl oz.
• Oversized Sight glass
• Head Material: Brass