Simpson PowerShot PS4240S 4,200 PSI Gas Pressure Washer – 4.0 GPM, Honda GX390 Engine, Triplex Pump

Built for pros and serious homeowners alike, the Simpson PowerShot PS4240S delivers unmatched cleaning power with 4,200 PSI at 4.0 GPM, driven by a reliable Honda GX390 commercial engine. Whether you're stripping paint, cleaning construction equipment, restoring decks, or removing graffiti, this machine is built to handle heavy-duty jobs with ease.

Equipped with a AAA industrial triplex plunger pump, 50 ft Monster hose, and a 3/8-inch quick connect ergonomic spray gun, it offers both power and comfort. The heavy-duty welded steel frame ensures durability in even the toughest conditions, and the 5 included nozzle tips provide customizable cleaning for every task.

This is a serious tool with serious specs — ideal for professional contractors, maintenance crews, or anyone who needs top-tier cleaning performance.

Key Features:

• Model: Simpson PS4240S PowerShot
  
  

• PSI / Flow Rate: 4,200 PSI @ 4.0 GPM
  
  

• Engine: Honda GX390, 389cc commercial-grade gas engine
  
  

• Pump: AAA industrial triplex plunger pump
  
  

• Spray Gun: Ergonomic grip with quick connect
  
  

• Hose: 3/8-inch x 50 ft Monster Hose (abrasion & kink resistant)
  
  

• Frame: Heavy-duty welded steel construction
  
  

• Wheels: 13” pneumatic tires for rugged mobility
  
  

• Nozzles: 5 quick-connect spray tips (multi-pattern)
  
  

• Fuel Capacity: 1.6 gallons
  
  

• Starter Type: Recoil
  
  

• Water Type: Cold
  
  

• Chemical Injection: Built-in detergent system
  
  

• Assembly: Required
  
  

Warranty Coverage:

• Engine: 3-Year Limited Warranty (Honda)
  
  

• Pump: 5-Year Limited
  
  

• Frame: 10-Year Limited
  
  

• Accessories: 90-Day Warranty
  
  

Specs at a Glance:

• Dimensions: 38.5” x 24.25” x 27.5”
  
  

• Weight: 141 lbs
  
  

Color: Black