Simpson PowerShot 4000 Ps i3.5 GPM Professional Gas Pressure Washer with AAA Triplex Pump, 0 Volts

Key item features

  • Powerful Engine: HONDA GX270 engine equipped with a low oil shutdown feature for enhanced safety.
  • Durable Pump: AAA triplex pump with an integrated unloader and thermal relief valve for reliable performance.
  • High-Pressure Hose: 50 ft. dual braided hose, kink and abrasion-resistant with a non-marring polyurethane outer jacket.
  • Sturdy Construction: Welded steel frame with a powder-coated finish for durability and corrosion resistance.
  • Easy Maneuverability: 13 in. premium pneumatic tires for smooth movement across various terrains.
  • Versatile Nozzles: Includes 5 quick connect nozzle tips (0, 15, 25, 40 degrees, and soap) for diverse cleaning applications.
  • Compact Dimensions: Unit dimensions are L 38 in. x W 23.5 in. x H 29 in., weighing 120 lbs.
  • Professional Use: Ideal for contractors specializing in deck cleaning, wood restoration, paint preparation, and graffiti removal.
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Current price is $999.00$999.00/lb
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  • Free 90-day returns
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Customer ratings & reviews

4.7 out of 5 stars
stars327 ratings313 reviews
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Reviews summary

Pros

  • : Has sufficient force to effectively clean various surfaces.
  • : Simple to control for everyday tasks.
  • : Provides strong and adjustable cleaning power.

Cons

  • : Handle design could be more ergonomic for easier lifting.
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Showing 1-3 of 313 reviews

Jun 1, 2026
Mist it
5 out of 5 stars review

Seller Verified Purchase

Great Pressure Washer

[This review was collected as part of a promotion.] Pressure washer has plenty of power, adjustable pressure valve is great to regulate for different applications. Only complaint is the chemical syphon did not work regardless of having the soap tip on or not, purchased separate down stream injector that worked great. Best to use a separate down stream injector long term. Very happy with the build quality and performance of the unit.

Review from simpsoncleaning.com
Helpful?64SZ32HSEACH169217177
Apr 20, 2026
Stan M3
5 out of 5 stars review

Seller Verified Purchase

Great machine

[This review was collected as part of a promotion.] This is the second pressure washer i have purchase, first one was smaller one pressure control went out. This bigger one is great cleaning outside of school building, side walks, and vehicles at our maintenance department. THX

Review from simpsoncleaning.com
Helpful?64SZ32HSEACH169217177
Apr 9, 2026
bob52
5 out of 5 stars review

Seller Verified Purchase

An Exceptional Pressure Washer

After extensive research on power washers, I decided on the Simpson. I love the easy starting Honda engine and the user reviews were very compelling. It was definitely more than I had budgeted for this purchase but it is worth every dollar. After a month of using the pressure washer, I am thrilled with the purchase. If you are undecided, as I was, let me help remove any anxiety. Go with the Simpson...you will NOT be disappointed.

Review from simpsoncleaning.com
Helpful?64SZ32HSEACH169217177