General Pump EZ4040G Triplex Plunger Pump, 4000 PSI, 4.0 GPM, 3400 RPM, 1" Shaft Gas Engines 9-13 HP

The General Pump EZ4040G delivers 4.0 GPM at up to 4,000 PSI on 9 to 13 HP gasoline engines with a 1" shaft and SAE J609 flange. It features a one-piece plunger design that keeps water out of the crankcase, premium roller bearings and unitized stainless steel valves.

Key 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
• Triplex Plunger Pump
• Direct Drive with Gas Flange 9.0-13.0 HP SAE

Specifications

Note: High Pressure Systems require a primary pressure regulating device (i.e. regulator, unloader) and a secondary pressure relief device (i.e. pop-off valve, relief valve). Failure to install such relief devices properly could result in personal injury or damage to pump or property. GP and PRI Industries do not assume any liability or responsibility for the operation of the user’s high pressure system.

Note: Item for sale is PUMP ONLY as shown in picture and does not include unloader which is required for proper operation

Frequently Asked Questions

What engines does it fit?

Gas engines from 9 to 13 HP with a 1" shaft and SAE J609 mounting.

Does it include an unloader?

No. This is the pump only, and an unloader or regulator is required. See the PMREZ4040G for a made-ready kit.

What horsepower is required?

14.54 GHP.

What are the port threads?

Two 1/2-14 BSPP female inlets and two 3/8-19 BSPP female outlets.

Max water temperature?

165°F.