SIMPSON® PS4240 | 4200 PSI Pressure Washer


SKU: 60456

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SIMPSON® Cleaning PS4240 | 4200 PSI at 4 GPM Gas Pressure Washer Powered by HONDA with AAA Triplex Pump (CARB Compliant)


Built for cleaning professionals, the SIMPSON® PowerShot 4200 PSI @ 4.0 GPM is built to perform. With a powerful Honda engine, reliable triplex pump and welded steel frame construction, this gas pressure washer is great for construction, equipment upkeep, facility & fleet maintenance cleaning.This is a demo Unit that has never been turned on, just Displayed for Demonstration Purposes Only.

This Washer Comes With Full Manufacturer Warranty as well as our Exclusive 30 Day Money Back Guarantee!

The PS4240 runs on a Honda engine with a low oil shutdown and comes with a 50’ hose, an ergonomic spray gun and 5 Quick-Connect nozzles.

  • 4200 PSI @ 4.0 GPM
  • HONDA® GX390 engine with low oil shutdown
  • AAA™ Industrial triplex plunger pump
  • Monster Hose 3/8" x 50' is kink and abrasion resistant, with quick connect
  • Ergonomic spray gun designed for comfort and control
  • 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and Soap
  • Heavy-duty welded steel construction with steel axle frame
  • 13" Premium pneumatic tires




  • Pressure Washer
  • Hose
  • Gun
  • Wand
  • 5 Quick connect nozzle tips
  • Detergent siphon tube with filter
  • Engine oil
  • Quickstart set up guide
  • Owner's manual





  • 3 Year limited HONDA commercial engine warranty
  • 5 Year limited pump warranty
  • 10 Year limited frame warranty
  • 90 Day limited accessory warranty