SLP3CP1140-402 Pump Assembly – 3CP1140 Pump w/ Plumbing, VRT Unloader

Part Number: SLP3CP1140-402
Category: Pressure Washer Pumps & Pump Assemblies
Type: Pump Assembly w/ Plumbing – 3CP1140 Belt-Drive, 3.6 GPM @ 2200 PSI

The Pressure-Pro SLP3CP1140-402 Pump Assembly is a factory-built, fully plumbed replacement centered around the 3CP1140 belt-drive pump. Rated for 3.6 GPM at 2200 PSI and engineered to operate at 1725 RPM, this assembly is designed for belt-driven commercial pressure washer systems that prioritize smooth operation, reduced wear, and extended pump life. Supplied complete with plumbing and a VRT3-310EZ unloader, it provides a true drop-in solution to restore OEM performance.

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Product Specifications

• Pump Model: 3CP1140

• Assembly Type: Complete pump assembly with plumbing

• Pump Type: Triplex Plunger, Belt Drive

• Flow Rate: 3.6 GPM

• Max Pressure: 2200 PSI

• Shaft Size: 16.5 mm

• Rated Speed: 1725 RPM

• Unloader: VRT3-310EZ (included)

• Manufacturer: Pressure-Pro

• MPN: SLP3CP1140-402

• Condition: New

Features & Benefits

• Genuine Pressure-Pro OEM pump assembly

• Factory-plumbed for fast, drop-in replacement

• Belt-drive design for smoother operation and longer pump life

• Optimized for low-speed 1725 RPM systems

• Includes VRT3-310EZ unloader for precise pressure control

• Reduced vibration and wear compared to direct-drive setups

• Ideal balance of flow and pressure for commercial use

Applications

• Belt-driven commercial pressure washers

• Light-to-medium duty commercial cleaning systems

• Replacement pump for compatible Pressure-Pro units

• Equipment repair, refurbishment, and upgrades

Important Notes

• Verify shaft size (16.5 mm), drive type (belt), and RPM compatibility (1725) before ordering

• Designed for systems using 3CP1140 belt-drive pumps

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