GP EZ4040G 4 GPM Pump
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- Not eligible for free shipping. This item has its own flat shipping rate, shown at checkout.
- FREE local pickup at Oregon City shop
General Pump EZ4040G Flanged Gasoline Triplex Plunger Pump - 4.0 GPM, 4200 PSI, 3400 RPM
The EZ4040G General Pump is a reliable, high-performance pressure washing option. It is 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.
Another benefit of the EZ4040G pump is its unique 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
About Expert Power Wash
Expert Power Wash is a family-owned pressure washing equipment shop in Oregon City, OR, run by Tim and Kristina. Before we built equipment, we ran our own pressure washing business for more than ten years — so the parts and chemicals on our shelves are the ones we trust on real jobs.
Our storefront stocks thousands of parts, chemicals and supplies, most in-stock orders ship the same day, and when you call 503-403-6185 you talk to people who have run this gear.
Shipping & Pickup
This item isn't eligible for free shipping. Because of its size or weight, it has its own flat shipping rate, shown at checkout before you pay. Orders placed by 2pm Pacific, Monday–Thursday, ship the same day.
FREE local pickup at our Oregon City shop, Monday–Thursday 8am–4pm.
Returns
Unused items in their original packaging can be returned within 30 days of delivery. A 20% restocking fee applies, and some items — like chemicals and cut-to-length hose — can't be returned. See our Return Policy for details.
