Description
General Pump EZ4040, 4200 PSI, 1″ shaft
The EZ4040G General Pump is a reliable, high-performance pressure washing pump designed using a forged brass manifold. The pump incorporates an SAE J609 gasoline mounting flange with which you can mount up to 13 HP engines.
A benefit of the EZ4040G pump is its durability. It offers a maximum fluid temperature of 165 F. It can operate at a speed of up to 3400 RPM. It’s capable of supporting a discharge pressure up to 4200 PSI to go with a maximum inlet pressure of 125 PSI.
The list of worthwhile features continues to expand and includes its forged brass manifold with 3:1 hydrostatic rating, its premium roller bearing, its die-cast, anodized aluminum oil-bath crankcase, and its clever one-piece plunger design which eliminates water entering the crankcase.
Specifications:
- Maximum Volume: 4.0 GPM
- Maximum Discharge Pressure: 4200 PSI
- Maximum Pump Speed: 3400 RPM
- Maximum Inlet Pressure: 125 PSI
- Maximum Inlet Vacuum: 3 ft. water (2.6 in. Hg)
- Plunger Bore: .512 in. / 13 mm
- Plunger Stroke: .512 in. / 13 mm
- Crankcase Oil Capacity: 14.0 oz.
- Maximum Fluid Temperature: 165° F
- Inlet Port Thread: 1/2-14 BSPP-F
- Discharge Port Thread: 3/8-19 BSPP-F
- Shaft Diameter: 1.0 in. / 25.4 mm
- Weight: 20 lbs.
- Dimensions: 8.8″ x 9.7″ x 6.5″
Pressure Washing Features:
- Standard SAE J609 gasoline mounting flange for up to 13 hp engines
- Forged brass manifold with an exclusive lifetime warranty and 3:1 hydrostatic rating
- Die-cast, anodized aluminum oil-bath crankcase
- Innovative one-piece plunger design to eliminate water entering crankcase
- Premium roller bearing
- 5% reduction in crankcase load compared to standard 3,000 PSI, 15 mm pumps
- Unitized stainless steel inlet and discharge valves







