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Simpson

Clean Machine 3400 PSI Gas Pressure Washer with 2.5 GPM OEM Technologies Axial Cam Pump

Key item features

  • Powerful Engine: Features a CRX 210 engine with a low oil shutdown for reliable operation and an OEM Technologies axial cam pump that is maintenance-free and includes a thermal relief valve to prevent overheating.
  • Durable Construction: Built with a powder-coated steel frame for enhanced durability and corrosion resistance, ensuring longevity.
  • Flexible Hose: Equipped with a 25 ft. high-pressure hose that is flexible, kink, and abrasion-resistant, featuring a non-marring polyurethane outer jacket.
  • Versatile Nozzles: Includes 4 quick-connect nozzle tips (0, 15, 40 degrees, and soap) for a variety of cleaning applications.
  • Easy Maneuverability: Designed with 10-inch premium pneumatic wheels for effortless movement across different terrains.
  • Compact Dimensions: Measures L 37 in. x W 30 in. x H 21 in. and weighs 64 lbs., making it lightweight and easy to store.
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Current price is Now $359.99
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was $399.00
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Customer ratings & reviews

4.5 out of 5 stars
stars273 ratings226 reviews
How item rating is calculated
5.0
5.0
5.0
5.0
4.7
1.3
  1. 5 stars77% (211)
  2. 4 stars12% (34)
  3. 3 stars3% (8)
  4. 2 stars2% (6)
  5. 1 star5% (14)

Reviews summary

Pros

  • : Setup is straightforward with clear instructions.
  • : Simple to operate due to its lightweight and compact size.
  • : Provides sufficient power for various tasks.
  • : Offers customizable pressure control.
  • : Offers good value for its size.

Neutral

  • : Can be smooth, but may have mechanical issues.
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Showing 1-3 of 226 reviews

Apr 3, 2026
RLM SC
5 out of 5 stars review

Seller Verified Purchase

Works as designed.

I've had a large pressure washer for many years. It works fine but is so big that I have to get help to roll it up the ramps into my truck. So far, this new Simpson unit does the job. I have cleaned my truck, my dump trailer, and other tools and equipment, with good results. I also can lift it by myself and load it on my truck. I recommend this unit.

Review from simpsoncleaning.com
Helpful?47TSOJVKDCQL730710223
Apr 15, 2026
Mr. Mike
5 out of 5 stars review

Seller Verified Purchase

Clean Machine

After my 40 year old pressure washer developed an issue with the pump I decided to buy a new one, & this one looked like it would suit my needs. I'm very pleased with it & really happy with how easy it is to start. Good power, good price, that's a win.

Review from simpsoncleaning.com
Helpful?47TSOJVKDCQL730710223
May 3, 2026
MattC
5 out of 5 stars review

Seller Verified Purchase

Easy to use and packs a punch

Purchased to replace an older 2700 PSI pressure washer and could not be happier. From ease of assembly and use to the cleaning power it delivers, I would recommend this to anyone needing a residential pressure washer. It's also smaller than my previous pressure washer. All around great product.

Review from simpsoncleaning.com
Helpful?47TSOJVKDCQL730710223