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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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Price history for the Simpson PS60843
Highest Price
$979.00
Lowest Price
$822.30
Current Price
$830.61

Features and Specifications

FuelGas-Powered
HandlingWheelbarrow
WaterCold (100°F max.)
PSI4400
GPM4
Cleaning Units17600
Engine420cc Simpson OHV 4-stroke
PumpAAA Triplex
SeriesPowerShot
Other model numbersPS61041
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
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
EmissionsEPA
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:

  • targeted spot cleaning for hard, unpainted surfaces, reaching elevated areas, and thoroughly removing stubborn stains
  • general cleaning of hard surfaces , washing vehicles, and preparing surfaces for painting
  • gentle cleaning for sensitive surfaces, and wide coverage cleaning with low pressure
  • applying detergents or chemicals, and rinsing surfaces afterward

Its power characteristics and design, its main features and all its additional features are presented ahead.

Power

The Simpson PS60843 in use

The Simpson PS60843

With a powerful 420cc engine, its triplex pump delivers a pressure of 4400 PSI (roughly 73 times more than a standard garden hose) and a flow of up to 4 GPM (CETA-certified values), resulting in the Simpson PS60843's cleaning power of 17600 Cleaning Units.

Starting the Simpson engine of this gas pressure washer involves using a conventional pull-start method.

Containing gasoline, the pressure washer's steel fuel tank can hold a maximum of 1.7 gallon..

Design & Handling

The Simpson PS60843's wheelbarrow-style design enhances both mobility and stability, enabling seamless navigation and consistent performance, even on rugged terrain. The welded steel frame's robustness ensures the assembly's longevity, maintaining stability and protecting internal components, even in the harshest environments. The handle adds to the PS60843 convenience of transport.

Weighing in at 138 lbs, it's safe to say this unit isn't lightweight, which might pose difficulties for users when it comes to lifting and transporting, particularly over uneven surfaces. The major reasons for its heavy weight are its 420cc Simpson engine, the triplex pump and welded steel frame. Nonetheless, the addition of two 13" pneumatic wheels simplifies maneuvering the PS60843, even across rough ground.

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: While the device doesn't feature a soap tank, detergent supply is ensured by a siphon hose. The automatic soap dilution mechanism of the Simpson PS60843 will dilute the detergent with a 7:1 ratio. The pressure washer automatically dispenses and mixes the detergent with the water when a soap nozzle is attached.
  • Pressure hose: With a set of convenient hooks, the unit offers a practical solution for maintaining workspace order, allowing the included 50 ft ⌀3/5" high-pressure hose to be neatly stored when idle.
  • Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
  • Nozzles: The following table provides information on the 5 included nozzles and their recommended surface uses.


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

Please be aware: The shapes of the depicted nozzles are for illustration purposes and may differ. Symbols utilized include a red cross indicating 'Not recommended,' a green check for 'Suitable,' and an orange check for '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 trigger lock mechanism (which prevents accidental operation), a thermal relief valve (which helps to prevent internal pump damage) and a low oil protection.
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Simpson PS60843 comes with wand, nozzle cleaner, pressure hose and spray gun.

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.

  • Able to deliver a maximum pressure of 4400 PSI, the Simpson PS60843 is one of the gas-powered products that can produce the highest water pressure, in the $825 to $900 price range.
  • With a water flow rate of up to 4 GPM, this washer ranks at the higher end of the price range mentioned above, offering a substantial volume of water. If maximum rinsing efficiency is your top priority, one of the devices with the highest water flow in the same price range is the Westinghouse WPX4400, with a GPM of 4.2.
  • Featuring 17600 Cleaning Units (PSI X GPM) in total, the PS60843 ranks among the more efficient options in its respective price bracket. 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 these interactive charts, when compared to other gas-powered washers between 17000 and 18500 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
  • 10 year (limited) warranty
  • Triplex pump
  • Designed to be stable
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
  • High PSI for the price
  • High GPM for the price
  • High CU for the price
WEAKNESSES:
  • No soap tank

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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