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Simpson PS60843 - 4400 PSI 4 GPM 420cc Gas Pressure Washer

The Simpson PowerShot PS60843 is a gas-powered pressure washer offering a maximum water pressure of 4400 PSI and flow of 4 GPM. (Read full specs)

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Features and Specifications

General
FuelGas-Powered
HandlingWheelbarrow
WaterCold (100°F max.)
PSI4400
GPM4
Cleaning Units17600
Engine420cc Simpson OHV 4-stroke
PumpAAA Triplex
SeriesPowerShot
Other model numbersPS61041
Features
FrameWelded steel
Soap injectionVia siphon hose
Soap dilution7:1
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose50 ft, ⌀3/5
Hose storageHooks
Misc
Dimensions
(L x W x H)
Approx. 29.5 x 24.3 x 26.5 in
Weight138 lbs
Pressure controlValve
Wheels2 wheels, ⌀13", pneumatic
Included accessoriesNozzle cleaner, wand, spray gun, high pressure hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsN/A
Warranty10 years
UPC879399002670

Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.

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Description

Perfect for contractors who specialize in deck cleaning, wood restoration, paint preparation, graffiti removal, and all other professional cleaning services. (source: Simpson (opens in a new tab))

Zoom on the Simpson PS60843

In a nutshell, the Simpson PS60843 is a heavy duty, commercial pressure washer, which not only offers an all-around versatile cleaning experience, but that also allows:

  • spot cleaning of hard, unpainted surfaces or high reach areas
  • thorough cleaning of hard, paint-free surfaces
  • cleaning of painted and fragile surfaces
  • use of detergent and cleaning solutions

Ahead are presented its power characteristics and design, its main features and any other additional features.

Power

The Simpson PS60843 in use

The Simpson PS60843

Its triplex pump, which utilizes a powerful 420cc engine, may deliver a pressure of up to 4400 PSI (almost 73 times more than a standard garden hose) and a flow of up to 4 GPM. These values correspond to a cleaning power of 17600 Cleaning Units.

This gas-powered pressure washer’s Simpson engine is started by a traditional pull-start mechanism.

Gasoline storage is facilitated by a steel fuel tank with a maximum capacity of 1.7 gallon.

Design & Handling

The wheelbarrow design of the Simpson PS60843 grants mobility and stability to the unit. Its sturdy welded steel frame provides longevity to the assembly. The handle adds to the PS60843 convenience of transport.

The unit's weight of 138 lbs renders its carrying and transportation challenging, as it is far from lightweight. Its 420cc Simpson engine, the triplex pump and welded steel frame are mainly responsible for its heavy weight. However, the unit’s two 13" pneumatic wheels are crucial to its maneuverability, since they provide a smooth method of manipulation on the job.

Main Features

The Simpson PS60843 in use

The Simpson PS60843

The Simpson PS60843's package includes a spray gun, a wand, a pressure hose, 5 nozzles and a detergent injection feature, with a more detailed description below.

  • Soap injection: Even though the device doesn't have a soap tank, detergent is supplied by a siphon hose. The Simpson PS60843 includes an automatic soap dilution mechanism, which will dilute the detergent using a 7:1 ratio. The detergent is automatically added to the water when a soap nozzle is connected.
  • Pressure hose: The included 50 ft ⌀3/5" high-pressure hose can be neatly stored on the unit when idle thanks to a set of convenient hooks.
  • Spray gun and wand: A side hook allows for an easy storage of the included classic ergonomic spray gun and its wand.
  • Nozzles: The 5 nozzles included with the device, and the respective surfaces which they’re the most suitable for, are shown in the following table.


15°

25°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse with cautionUse with cautionUse with cautionSuitable

Note: The shape of the nozzles above is for illustration purposes only and may differ.
Red cross: Not recommended. Green check: Suitable. Orange check: Use with caution.

Other Features

Some of the accessories of the Simpson PS60843

Some of the included accessories

  • Onboard storage: With the Simpson PS60843's handy storage area, you’ll always have all the necessary nozzles and accessories at hand and thus, you’ll be fully prepared for any job.
  • Safety: Safety of operation is enhanced by a thermal relief valve (which helps to prevent internal pump damage), a low oil protection and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Included with the Simpson PS60843 are also the owner's manual (opens in a new tab) and some basic documentation to get you promptly started, along with several accessories, such as spray gun, pressure hose, wand and nozzle cleaner.
  • Emissions: The Simpson PS60843 is NOT CARB-compliant. Thus, it cannot be purchased or sold in California.

Product Videos

The Simpson PS60843's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson PS60843 compare to similarly priced pressure washers.

  • With 4400 PSI, the Simpson PS60843 ranks as one that can reach the highest pressure, amongst the gas-powered products that cost between $800 and $900.
  • With a maximum GPM of 4 (gallons per minute), this washer belongs to the top in terms of water flow, in its respective price range. If being able to rinse away debris as efficiently as possible is your priority, one of the products with the highest GPM in this price range is the Westinghouse WPX4400, with 4.2 GPM.
  • The PS60843, with its 17600 Cleaning Units (PSI X GPM) sits at the high end of the cleaning efficiency spectrum, when compared to other devices of similar price. When it comes to the highest overall cleaning power in the current price range, one of the products at the very top currently is the Westinghouse WPX4400 and its 18480 Cleaning Units.

Price comparison

As you can see from this interactive chart, when compared to other gas-powered washers between 17500 and 18000 Cleaning Units, the Simpson PS60843 is on the cheap side of the price range.

It can therefore be a really good buy if you're looking to acquire a budget pressure washer.

The bottom line

STRENGTHS:
  • Inexpensive
  • Triplex pump
  • Designed to be stable
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • 10 year (limited) warranty
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • No soap tank
  • Not CARB-compliant

Do you own the Simpson PS60843 and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

About Simpson

Simpson has over 50 years of experience making quality products for the outdoor power equipment industry. Part of the FNA Group based in Pleasant Prairie, Wisconsin since 2006, they are a vertically-integrated company, meaning most of the parts and accessories are manufactured and assembled by them. Their manufacturing facilities are international, but their gas-powered pressure washers are made in the USA. With the company motto "Driven by Performance", Simpson continues to offer a great variety of pressure-washing systems for the homeowner or the professional contractor.

Warranty Information

The Simpson PS60843 is covered under a warranty for up to 10 years. This warranty may be limited and may not cover all parts of the unit.
For more information about the warranty of Simpson pressure washers, please contact the Simpson Customer Support: 1-877-362-4271.

Simpson PS60843
9.8 Total Score
1 review
Add your review
Ease Of Use
9
Value
10
Quality
10
Performance
10
1 Review
  1. Avatar
    Michael bramble March 13, 2021 at 1:05 pm
    4.9
    Ease Of Use
    90
    Value
    100
    Quality
    100
    Performance
    100

    I bought this model and I gotta say it is a work horse,it is well worth the money,its ungodly the cleaning power for the price. It’s not a hot water pressure washer but the power makes up for it. I know there’s differences ,but it’s a dependable piece of equipment I give it on scale 1 to 10 a easy 9.5 the only reason not a 10 is because you dont want to make the mistake to not have the wand gripped when starting the pull start cord. I read where alot of buyers bought it and didnt pull the wand trigger when starting the motor.it will dislocate a shoulder almost but with the wand trigger pulled I can easily start the machine with one hand and o e hand holding the wand compressed. I give it a 10. My buddy do to not pulling the trigger gave it a 3 until he seen what it can do now he gives it a 9 so that equals 9.5. Also great at Lower pressure cleaning to.

    + PROS: It's a work horse well worth the money strong well made dependable, dont be stupid Honda is way more expensive,but has nothing on this Simpson, I use it everyday no problems can NBC t say the same for honda
    - CONS: Make sure to compress the wand handle when starting,keep from hurting yourself,but if you compress trigger on wand it's easy enough
    Helpful(7) Unhelpful(0)You have already voted this

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