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4.7
(537)
4.7 out of 5 stars. 537 reviews
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  9. SIMPSON 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State

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SIMPSON 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State

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SIMPSON 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
4.7534 Reviews

Item # 1056222

Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
$1199.00

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Shop all SIMPSON

  • Limited Time Deal

  • Online Only

SIMPSON 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
4.7534 Reviews

Item # 1056222

Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
Image showing 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump, Honda GX390 Engine, 49-State
$1199.00

Sale

Was$1299.99

Save $100.99

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This Item cannot be shipped to CA.
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The SIMPSON 4,200 PSI 4 GPM Gas Cold Water PowerShot Pressure Washer with Industrial Triplex Pump is designed to meet the rigorous demands of the cleaning pro. This is a heavy-duty pressure washer with flow and reliability. The pressure washer is perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal, and all other professional cleaning services. Equipped with the premium Honda engine built with high-quality components, the pressure washer is designed for optimum performance and renowned for being easy to start. AAA industrial triplex pumps enhance impact and cleaning performance. Built to withstand tough conditions and frequent use, this pressure washer ensures longevity and dependable results. Get the job done right with this powerful pressure washer!

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 with low oil shutdown to prevent seizure due to low oil levels
  • AAA triplex pump has an integrated unloader with a thermal relief valve
  • Monster hose; 3/8 in. x 50 ft. kink and abrasion-resistant hose with quick-connect fittings and polyurethane outer jacket
  • Pressure washer is built with welded steel frame construction and powder-coated finish for durability and corrosion resistance
  • 13 in. premium tires included with pressure washer for ease of maneuverability across various terrain
  • Pressure washer features 5 quick-connect nozzle tips: 0, 15, 25, 40 and soap to use for a variety of cleaning applications
  • 3 year limited commercial engine warranty; 5 year limited commercial pump warranty; 10 year limited commercial frame warranty; 90 day limited accessory warranty
  • QC spray lance wand included with the pressure washer
  • 31 in. wand lance included
  • This product is not for sale in California
  • Made in the USA
  • Images shown may vary from the actual unit
BrandSIMPSON
Country of OriginMade in USA
Amperage0 N/A
Connector Size3/8 in.
Cord Length0 N/A
Decibel Rating60 dB
Duty RatingHeavy Duty
Engine BrandHonda
Engine Displacement389cc
FeaturesNone
Fuel Tank Capacity1.61 gal.
Fuel TypeGasoline
Hose Diameter3/8 in.
Hose Length50 ft.
Hose MaterialSteel
Internal Pump TypeTriplex
Maximum Flow Rate4 GPM
Maximum Operating Pressure4,200 PSI
Nozzle TypeMulti
Number of Tips Included5
Power TypeGas
Pressure Rating Range3500 or more
Pressure Washer Duty TypeHeavy Duty
Pressure Washer Maximum Operating Pressure4200 PSI
Product Height29 in.
Product Length38 in.
Product Weight136 lb.
Product Width23.5 in.
Pump BrandAAA
Recommended Engine Oil10W-30
Start TypeOther
Water Temperature CompatibilityCold
Wheel Size13 in.
Manufacturer Part Number60456

Start typing your question and we'll check if it was already asked and answered.
1 - 10 of 18 Questions
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Newest questions

Q: How do you run soap without a tank for chemicals on the 4200 PSI pressure washer?

8 months ago
1 Answer
  • A: Hi, Gator. Great question. While this machine does not have an on-board soap tank, it does have a siphon tube that will allow you to apply detergent. You will easily be able to apply detergent by attaching the siphon tube to the barb on the pump and placing the filter end of the siphon hose directly into a pressure washer safe detergent. We hope this helps! Check out the video on our website below an even more detailed description. https://simpsoncleaning.com/applying-cleaning-soap-detergents/
    Anonymous8 months ago
    Helpful?

Q: is this pressure washer an electric start unit?

a year ago
1 Answer
  • A: Thanks for your interest, jerry. This unit is actually a manual recoil start, not electric. Let us know if we can help with anything else!
    Anonymousa year ago
    Helpful?

Q: I saw that Simpson sells a 100 ft pressure hose. Will there be a lose of pressure or a problem with soap dispensing using the 100 compared to the 50ft supplied?

2 years ago
1 Answer
  • A: Thanks for the question, Anthony. There will be no pressure drop but you may have issues with the soap function with the added length. Hope this helps!
    Anonymous2 years ago
    Helpful?

Q: What’s the downstream injector ratio for this pump ? And is it a 1.8 or a 2.3 or a 2.1 injector ? 

3 years ago
1 Answer
  • A: Thanks for the question. This has a dilution ratio of 10:1. Let us know if we can help with anything else!
    Anonymous3 years ago
    Helpful?

Q: How long can pump run without using wand?

4 years ago
1 Answer
  • A: 2 to 3 minutes max.
    Anonymous4 years ago
    Helpful?

Q: does this product have adjustable psi?

4 years ago
1 Answer
  • A: cc10916, Yes the 60456 has an adjustable unloader valve that allows for pressure adjustment
    Anonymous4 years ago
    Helpful?

Q: Does it come with a soap pick up?

4 years ago
1 Answer
  • A: Fishtales67, Yes the PS60456 comes equipped with a Downstream chemical injection system
    Anonymous4 years ago
    Helpful?

Q: I’m wanting to use a foam cannon on it, Does this pump have a PRESSURE-ACTUATED UNLOADER? 

4 years ago
1 Answer
  • A: Dwade73024, The PS60456 does come equipped with a pressure activated unloader valve
    Anonymous4 years ago
    Helpful?

Q: I cant tell if the down stream is before or after the pump, would like to know thanks.

4 years ago
1 Answer
  • A: ohwedone, All downstream injectors pick up chemical after the pump.
    Anonymous4 years ago
    Helpful?

Q: Does this machine have a lot of vibration where it is going to move around on concrete?

4 years ago
1 Answer
  • A: Please review the video link below. https://youtu.be/YModLc_JLNM
    4 years ago
    Helpful?
1 - 10 of 18 Questions
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Reviews

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Overall Rating

4.7
186 out of 197 (94%) reviewers recommend this product

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Summary of Reviews
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Customers overwhelmingly praise this pressure washer for its exceptional 4200-4400 PSI power and reliable performance, with most noting it cleans concrete, driveways, and heavy grime remarkably fast—s...
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1 to 4 of 537 Reviews .
1 – 4 of 537 Reviews
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Most Recent
Phil de ban
Review 1
4 out of 5 stars.

Good buy

12 hours ago
It’s so powerful that it washes my semi truck so fast! I like it.

Originally posted on simpsoncleaning.com

Sall
US
Review 1
4 out of 5 stars.

Good pressure washer

a day ago
I love the machine, it’s quite reliable but it sure does drink gas. If you wanted to start your own business I do recommend this!

Originally posted on simpsoncleaning.com

Hogg503
Review 1
5 out of 5 stars.

top of the line stuff!

2 days ago
I bought this machine to start my first LLC, business, and I'm so glad I did. The unit is so powerful, and makes downstreaming an easy option with the built-in injector. From the Honda motor to the Triplex pump...top of the line stuff!

Originally posted on simpsoncleaning.com

Bodi
US
Review 1
5 out of 5 stars.

Great pressure washer

2 days ago
I bought this pressure washer works really well would definitely recommend purchasing one

Originally posted on simpsoncleaning.com

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  • Order Status

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