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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For Service Parts Ordering
It is up to the customer to ensure that they are ordering the correct part number. For help obtaining part numbers please contact:

HeatStar: 1-866-447-2194
Enerco: 1-888-849-1899
Mr. Heater, Cleveland Iron Works, and BaseCamp: 1-800-251-0001

Powered by Honda

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


SIMPSON PowerShot 4200 PSI @ 4.0 GPM is a heavy-duty pressure washer with flow and reliability, built for cleaning professionals. 

The PS4240S runs on a premium Honda engine built with high-quality components, designed for optimum performance and renowned for being easy to start. 

With reliable triplex pump and welded steel frame construction, this gas pressure washer is great for construction, equipment upkeep, facility & fleet maintenance cleaning.

Also includes 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

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