Simpson PS4240S PowerShot 4200 PSI Pressure Washer w/ Honda Engine (Cold Water, Gas)

SKU: PS4240S
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  • $1,696.00
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3-year limited HONDA commercial engine warranty / 5-year limited pump warranty / 10-year limited frame warranty / 90-day limited accessory warranty /  
30-day return policy


What's in the Box

  • Pressure washer
  • Gun
  • Hose
  • 5 Quick connect nozzles
  • Detergent siphon tube with filter
  • Engine oil
  • Quick set-up guide
  • Owner's manual


  • 4200 PSI @ 4.0 GPM
  • HONDA® GX390 engine with low oil shutdown feature
  • 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


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.

The PS4240S runs on a commercial Honda engine with a low oil shutdown and comes with a 50’ hose, an ergonomic spray gun and 5 Quick-Connect nozzles.



    PSI 4200
    GPM 4.0
    Drive Direct Drive Engine & Pump
    Engine Honda GX390 engine with low oil shutdown feature
    Pump Industrial Triplex Plunger Pump
    Tires 13" Premium Pneumatic Tires
    Hose 141 lbs (64 kg)
    Gun/Hose Connection 37" x 23" x 28" (94cm x 69cm x 71cm)
    Wand 31" Steel with Quick Connect and Threaded M22 Connection
    Nozzles 0°, 15°, 25°, 40° and Soap
    Frame Heavy duty welded steel construction with steel axle frame