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Simpson MS61084-S - 3400 PSI 2.5 GPM 196cc Gas Pressure Washer

The Simpson MS61084-S is a gas-powered pressure washer offering a maximum water pressure of 3400 PSI and flow of 2.5 GPM. (Read full specs)

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Simpson MS61084-S 3400PSI Gas Pressure WasherSimpson MS61084-S 3400PSI Gas Pressure WasherSimpson MS61084-S 3400PSI Gas Pressure WasherSimpson MS61084-S 3400PSI Gas Pressure Washer
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Price History
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Price history for the Simpson MS61084-S
Latest updates:
  • $399.99 - April 7, 2024
  • $429.99 - November 12, 2023
Data source: homedepot.com
Since: November 12, 2023
  • Highest Price: $429.99 - November 12, 2023
  • Lowest Price: $399.99 - April 7, 2024

Features and Specifications

FuelGas-Powered
HandlingWheelbarrow
WaterCold (90°F max.)
PSI3400
GPM2.5
Cleaning Units8500
Engine196cc 6.5 HP Kohler SH265 OHV 4-stroke
PumpOEM Technologies™ Axial Cam
Other model numbers61084, 61085, MS61085
FrameWelded steel
Soap injectionVia siphon hose
Nozzles0°, 15°, 25°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀5/16
Hose storageHooks
Dimensions
(L x W x H)
Approx. 30.4 x 20.5 x 24 in
Weight64 lbs
Wheels2 wheels, ⌀10", pneumatic
Included accessoriesOil, wand, spray gun, high pressure hose, soap hose, 5 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty5 years
UPC879399005565

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

Zoom on the Simpson MS61084-S

The Simpson MS61084-S, a heavy duty, commercial pressure washer, gives its user an all-around versatile cleaning experience, topped off by the following features:

  • spot cleaning of hard, paint-free surfaces and out-of-reach areas
  • intense cleaning of hard, unpainted surfaces
  • cleaning of painted and fragile surfaces
  • use of detergent and cleaning solutions

The following sections will present you in detail its power characteristics and design, its main features and all the additional features it has to offer.

Power

With a 196cc (6.5 hp) engine, its axial cam pump delivers a pressure of 3400 PSI (roughly 57 times more than a standard garden hose) and a flow of up to 2.5 GPM (CETA-certified values), resulting in the Simpson MS61084-S's cleaning power of 8500 Cleaning Units.

A classic pull-start mechanism is responsible for starting the gas-powered pressure washer’s Kohler SH265 engine.

The fuel is stored in a steel tank, which can hold up to 3.4 gallons of gasoline.

Design & Handling

The wheelbarrow design of the Simpson MS61084-S grants mobility and stability to the unit. The strong welded steel frame assures assembly longevity. The reversible handle offers further versatility, as its different positions make the unit less bulky when stored.

Most users can maneuver this model easily, as it weighs just 64 lbs. Its 196cc Kohler SH265 engine and welded steel frame account for a good chunk of that weight. Since the MS61084-S has a set of two 10" pneumatic wheels, it is still easily maneuvered and manipulated.

Main Features

The Simpson MS61084-S'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. When a soap nozzle is connected, the detergent will be added automatically to the water.
  • Pressure hose: Using a set of convenient hooks, the included 25 ft ⌀5/16" high-pressure hose can be easily stored on the unit when it is not running.
  • 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 illustrates the 5 included nozzles, along with the surfaces which they are the most suitable for.


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 MS61084-S

Some of the included accessories

  • Onboard storage: With the Simpson MS61084-S'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 low oil protection and a thermal relief valve (which helps to prevent internal pump damage).
  • Accessories: Included with the Simpson MS61084-S 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 pressure hose, soap hose, oil, spray gun and wand.
  • Emissions: The Simpson MS61084-S is EPA-approved and CARB-compliant. And so, this pressure washer is available for sale and purchase in any of the 50 states, including California.

Product Video

The Simpson MS61084-S's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson MS61084-S compare to similarly priced pressure washers.

  • The Simpson MS61084-S, with a max water pressure of 3400 PSI, has one of the highest PSI values of the gas-powered products in the $300-400 price range.
  • Considering its water flow, this washer, with a GPM (gallons per minute) of 2.5 is in the average compared to other devices in its price range. If rinsing away debris most efficiently is your priority, one of the devices with the highest GPM in this price range is the Lifan LFQ3370, which can reach up to 3 GPM.
  • With a rather impressive value of 8500 Cleaning Units (PSI X GPM), the MS61084-S has a higher cleaning efficiency compared to similarly priced devices. In case you are looking for the highest overall cleaning power, in this price range, one of the current champions is the Lifan LFQ3370 and its 9900 Cleaning Units.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 8000 and 8500 Cleaning Units, the Simpson MS61084-S is on the average side of the price range.

Therefore, this pressure washer nicely fits in the expected budget for this kind of cleaning power.

The bottom line

STRENGTHS:
  • In the expected price range
  • Designed to be stable
  • Good range of nozzles included
  • Onboard storage
  • Several security features
  • CARB-compliant
  • High PSI for the price
  • High CU for the price
AVERAGE SPECS:
  • Decent GPM for the price
WEAKNESSES:
  • No soap tank

Do you own the Simpson MS61084-S 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 MS61084-S is covered under a warranty for up to 5 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.

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