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4.7 out of 5 stars. 272 reviews

SIMPSON 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State

4.7272 Reviews

Item # 132392199

Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
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SIMPSON 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State

4.7272 Reviews

Item # 132392199

Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water Aluminum Professional Pressure Washer, Honda GX390 Engine, 49-State

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Designed to meet the rigorous demands of the cleaning professional, the SIMPSON Aluminum 4200 PSI at 4.0 GPM HONDA GX390 with CAT Triplex Plunger Pump Cold Water Professional Gas Pressure Washer frame is crafted of aircraft grade aluminum, making it lighter in weight than most steel frame gas pressure washer designs. This gas pressure washer is perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal and all other professional cleaning services. The pressure washer is designed for optimum performance in the harshest environments. Get the job done right with this durable gas pressure washer!3 year limited commercial engine warranty; 5 year limited pump warranty; 10 year limited frame warranty; 90 day limited accessory warranty

For additional information on this product, please see the Product Documents section for all downloadable user manuals, installation guides, brochures and warranty statements.

Looking for more information on pressure washers? Check out our guide on how to maintain a pressure washer in the product documents section.

  • HONDA GX390 engine is equipped with a low oil shutdown feature
  • CAT PUMPS triplex pump is equipped with an integrated unloader and thermal relief valve
  • Monster hose - 3/8 in. x 50 ft. kink and abrasion resistant hose with quick connect fittings and polyurethane outer jacket
  • Aircraft grade aluminum frame is lighter in weight than most steel frame designs
  • Gas pressure washer has 13 in. premium tires for ease of maneuverability across various terrains
  • Pressure washer has 5 quick connect nozzle tips: 0, 15, 25, 40 and soap to use for a variety of cleaning applications
  • 31 in. wand lance included
  • This product is not for sale in California

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Reviews

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224 reviews with 5 stars.
31 reviews with 4 stars.
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8 reviews with 1 star.

Overall Rating

4.7
189 out of 196 (96%) reviewers recommend this product

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Summary of Reviews
AI-generated from customer reviews, which may include incentivized reviews.
The pressure washer offers powerful cleaning performance with 4200 PSI and 4 GPM, providing ample pressure and flow for heavy-duty tasks. It features high-quality components like a Honda engine and CA...
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1 to 4 of 272 Reviews .
1 – 4 of 272 Reviews
US
Review 1

power in a small size

29 days ago
Simpson 4200 PSI 4G per minute is a professional and reliable, and easy to use pressure washer which comes in relatively small size which can be used and stored away simply without taking too much room. I recommend this product to anyone looking for trouble free, powerful pressure washer.

Originally posted on simpsoncleaning.com

Response from simpsoncleaning.com:
24 days ago
Simpson Team
We're glad to hear you appreciated the compact design, & your Simpson pressure washer has been performing with plenty of power and reliability. Thanks for your recommendation & review, miofoyer!
US
Review 1

Nice

30 days ago
I haven’t used it yet but after owning other brands this one appears to be well worth the price tag.

Originally posted on simpsoncleaning.com

Response from simpsoncleaning.com:
24 days ago
Simpson Team
We're happy to hear you've been impressed with the quality & we're excited for you to soon start enjoying the powerful performance of your new Simpson pressure washer. Have fun tackling your projects, Btrod!
Westbcoast
Review 1

This thing is a Monster

a month ago
This should clean about everything you can throw at it
SweepstakesYes

Yes, I recommend this product.

Response from SIMPSON Team:
28 days ago
SIMPSON Team
It's great to hear you've enjoyed an excellent performance & your Simpson pressure washer is delivering power to impress. Thanks for reviewing, Rob! simpson
Review 1

ALH 4240 pressure washer

a month ago
ALH4240 pressure washer with Honda engine and cat pump. Powerful washer. It seems to be of good quality. My only gripe is that it's advertised as a 4200 PSI pressure washer but according to cat's pump specifications, this pump is rated for 4000psi. It would probably blow the chrome off of a 55 Chevy.

Originally posted on simpsoncleaning.com

Response from simpsoncleaning.com:
28 days ago
Simpson Team
We're glad you took note of that, Milty! The pressure washer's overall PSI rating is based on the cooperation of the pump, engine and nozzle working together- all of which affect the PSI at the business end. This ratings process is in line with CETA standards for pressure and flow. If you'd like to learn more about CETA standards, their website has a lot of useful info. (We can't link it here or our reply might not be published, but you should have no trouble finding it with a search engine). Hope this clears things up a bit! We are so happy to hear you've enjoyed a powerful, five-star performance from your new Simpson pressure washer!