4300060 AAA Pump Assembly with PowerBoost Technology 4000 PSI Max Pressure

The 4300060 Pump is a AAA Triplex plunger pressure washer pump rated for 4000 PSI Max pressure at a flow rate of 3.5 GPM.

This highly efficient pump reduces the engine load while providing top performance. PowerBoost technology keeps the water pressure high at the spray nozzle.

Features of AAA Pump 4300060:

• Supports high-pressure operation, rated for 3800 PSI @ 3.5 GPM
• Adjustable Unloader integrated with ergonomic controls
• AAA PowerBoost technology keeps the water pressure strong
• Included thermal relief valve protects against overheating
• Oversized ball bearings reduce wear and provide friction resistance
• Corrosion-protected aluminum crankcase reduces wear and tear from regular use
• Sight glass allows for easy oil management without a dipstick
• Fits most horizontal shaft engines
• Includes siphon tube with filter, mounting bolts, and a shaft key

4300060 Pump Specifications:

Additional Notes & Service Information

The pump in the AAA 4300060 Pressure Washer pump kit is not designed for gravity-fed systems, and an on-demand water pump is always recommended to consistently supply water to the pump at 20-60 PSI of inlet pressure.

Service Note:

The "Burst Pressure" of a pressure washer pump is the highest pressure the pump produces when in a static position and when the trigger is first squeezed, giving the initial burst of pressure and does not reflect the actual operating pressure.

The accurate operating PSI of any pump would be determined by the engine’s horsepower and the size of the nozzle being used at the end of the wand, restricting water flow and causing back pressure.

It is possible for a single pump to be rated at various GPM and maximum PSI levels by adjusting factors such size, or engine horsepower.