HP8040 Pressure Washer Pump – 8.0 GPM @ 4000 PSI, 1840 RPM

Part Number: HP8040
Category: Pressure Washer Pumps
Type: Belt-Drive Triplex Pump – HP8040, 8.0 GPM @ 4000 PSI

The HP8040 Pressure Washer Pump is a high-output, commercial-grade triplex plunger pump engineered for demanding belt-driven pressure washer systems. Rated for an impressive 8.0 GPM at up to 4000 PSI and operating at 1840 RPM, this pump is built for continuous-duty environments that require both high flow and serious cutting power. Featuring a heavy-duty 24 mm solid shaft and robust internal components, the HP8040 delivers smooth operation, reduced vibration, and long service life in professional and industrial cleaning applications.

Manufactured by General Pump, the HP8040 is ideal for fleet washing, large surface cleaning, and industrial wash systems where productivity and uptime are critical.

Product Specifications

• Pump Model: HP8040

• Manufacturer: General Pump

• Pump Type: Triplex Plunger, Belt Drive

• Flow Rate: 8.0 GPM

• Max Pressure: 4000 PSI

• Rated Speed: 1840 RPM

• Shaft Size: 24 mm Solid

• Bore Diameter: 20 mm

• Stroke: 19 mm

• Weight: 41 lb

• Condition: New

Features & Benefits

• Massive 8.0 GPM output for faster, more efficient cleaning

• High-pressure 4000 PSI capability for heavy-duty applications

• Low-RPM belt-drive design for extended pump life

• Triplex plunger construction for smooth, low-pulsation flow

• Heavy-duty 24 mm shaft for commercial drive systems

• Built for continuous-duty commercial and industrial operation

Applications

• Belt-driven commercial pressure washers

• Fleet wash and large surface cleaning systems

• Industrial wash equipment

• High-output professional pressure washer builds

Important Notes

• Verify shaft size (24 mm) and drive configuration before ordering

• Designed for belt-driven systems operating around 1840 RPM

• Final operating PSI and GPM depend on pulley ratio, motor, and overall system configuration