RSV4G40HDF40EZ Direct Drive Pressure Washer Pump – 4.0 GPM @ 4000 PSI

Part Number: RSV4G40HDF40EZ
Category: Pressure Washer Pumps
Type: Axial Direct-Drive Pump – RSV4G40HDF40EZ, 4.0 GPM @ 4000 PSI (Horizontal)

The RSV4G40HDF40EZ Direct-Drive Pressure Washer Pump is a high-output axial pump engineered for gas-powered pressure washers operating at 3400 RPM. Delivering a powerful 4.0 GPM at up to 4000 PSI, this pump is built for users who need maximum cutting power in a compact, direct-drive format. Featuring a 1″ hollow shaft and horizontal shaft orientation, it mounts quickly to compatible gas engines and frames. Equipped with a built-in unloader and chemical injector, it provides a clean, simplified setup while maintaining strong, consistent performance for demanding residential and light commercial applications.

This model is ideal as an upgrade or replacement for portable pressure washers that require higher output without moving to heavier belt-drive systems.

Product Specifications

• Pump Model: RSV4G40HDF40EZ

• Pump Type: Axial Cam, Direct Drive (Gas)

• Mounting Orientation: Horizontal Shaft

• Flow Rate: 4.0 GPM

• Max Pressure: 4000 PSI

• Rated Speed: 3400 RPM

• Shaft Size: 1″ Hollow

• Bore Diameter: 15 mm

• Stroke: 9.4 mm

• Weight: 14 lb

• Unloader: Built-In

• Chemical Injector: Integrated

• Condition: New

Features & Benefits

• High-output 4.0 GPM / 4000 PSI performance

• 1″ hollow shaft for direct mounting on larger gas engines

• Built-in unloader and injector for simplified plumbing

• Optimized for high-speed 3400 RPM operation

• Horizontal configuration for broad equipment compatibility

• Compact axial design for lightweight, portable systems

• Cost-effective replacement or upgrade for high-power portables

Applications

• Gas-powered residential pressure washers

• Light-duty commercial cleaning equipment

• Replacement pump for compatible horizontal direct-drive systems

• High-output portable pressure washer builds

Important Notes

• Verify shaft type (1″ hollow), horizontal orientation, and engine RPM compatibility (3400) before ordering

• Designed for direct-drive gas engines

• Final operating PSI and GPM depend on engine speed and overall system configuration