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Simpson MS61114 - 2800 PSI 2.3 GPM 149cc Gas Pressure Washer

The Simpson MS61114 is a gas-powered pressure washer offering a maximum water pressure of 2800 PSI and flow of 2.3 GPM. (Read full specs)

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Features and Specifications

FuelGas-Powered
HandlingHand Truck
WaterCold (90°F max.)
PSI2800
GPM2.3
Cleaning Units6440
Engine149cc KOHLER XTX675 OHV 4-stroke
PumpOEM Technologies™ Axial Cam
SeriesMegaShot
Other model numbersMS61114-S, 61114
FrameWelded steel
Soap injectionYes
Soap tankYes
Soap dilution7:1
Nozzles0°, 15°, 40°, Soap
Quick connect nozzlesYes
Onboard storageYes
Hose25 ft, ⌀1/4
Hose storageStraps
Dimensions
(D x W x H)
Approx. 24 x 17 x 36 in
Weight55 lbs
Wheels2 wheels, ⌀12", never flat
Included accessoriesOil, wand, spray gun, high pressure hose, soap hose, 4 nozzles
SecurityLow oil, trigger lock and thermal relief valve
EmissionsCARB, EPA
Warranty5 years
UPC879399006449

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 MS61114

The Simpson MS61114 is a medium to heavy duty pressure washer, and enables:

  • focused spot cleaning on hard, unpainted surfaces, accessing high spots, and efficiently eliminating stubborn stains
  • broad cleaning of hard surfaces, vehicle washing, and surface preparation for painting
  • mild cleaning for delicate surfaces, and low-pressure cleaning for broader areas
  • applying detergents and cleaning agents, and rinsing off surfaces

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

Power

The Simpson MS61114 in use

The Simpson MS61114

With a 149cc engine, its axial cam pump delivers a pressure of 2800 PSI (roughly 47 times more than a standard garden hose) and a flow of up to 2.3 GPM (CETA-certified values), resulting in the Simpson MS61114's cleaning power of 6440 Cleaning Units.

The KOHLER XTX675 engine of this gas-powered pressure washer is initiated by a classic pull-start mechanism.

The pressure washer's steel tank has a maximum capacity of 0.3 gallon for storing gasoline..

Design & Handling

With its hand truck design and approximate dimensions of D24 x W17 x H36 in, the Simpson MS61114 provides great mobility. 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 MS61114 convenience of transport.

At 55 lbs, this unit strikes a balance between portability and stability, making it easy for most users to handle. This weight is largely influenced by the presence of the 149cc KOHLER XTX675 engine and a robust welded steel frame. Nevertheless, the MS61114's two 12" never-flat wheels ensure it remains easy to maneuver.

Main Features

The Simpson MS61114 in use

The Simpson MS61114

The Simpson MS61114 comes with a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are detailed below.

  • Soap injection: A safe detergent storage is facilitated by a dedicated tank. The detergent is diluted with a 7:1 ratio by the Simpson MS61114's automatic soap dilution mechanism. Upon connecting a soap nozzle, the pressure washer takes over the task of seamlessly combining the detergent with the water flow.
  • Pressure hose: The included 25 ft ⌀1/4" high-pressure hose can be neatly stored on the unit when not in use, utilizing a set of easy-to-use straps for convenient organization.
  • Spray gun and wand: Both the classic ergonomic spray gun and its wand may be conveniently stored in a side hook.
  • Nozzles: Review the table below to learn about the 4 included nozzles and the surfaces they're recommended for.


15°

40°

Soap
Concrete, brick, masonryUse with cautionSuitableSuitableSuitable
Siding, gutters, houseNot recommendedUse with cautionSuitableSuitable
Fencing, deck, patioNot recommendedUse with cautionSuitableSuitable
Lawn equipment, boat, RVNot recommendedUse 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 MS61114

Some of the included accessories

  • Onboard storage: The Simpson MS61114 features a handy storage area, which allows you to neatly store nozzles and accessories and be always prepared by having everything needed at hand.
  • Safety: Safety of operation is enhanced by a low oil protection, a thermal relief valve (which helps to prevent internal pump damage) and a trigger lock mechanism (which prevents accidental operation).
  • Accessories: Besides the usual owner's manual (opens in a new tab) and documentation to get you promptly started, the Simpson MS61114 comes with pressure hose, soap hose, wand, spray gun and oil.

Product Video

The Simpson MS61114's performance versus other pressure washers

The following charts are provided to give you an idea of how the key specs of the Simpson MS61114 compare to similarly priced pressure washers.

  • The Simpson MS61114, boasting 2800 PSI, achieves a lower pressure compared to other gas-powered pressure washers in the $300-400 price bracket. If you're seeking the strongest water stream, look no further than the Westinghouse WPX3400, which delivers an impressive 3400 PSI.
  • In comparison to other devices in the above-mentioned price range, this washer and its 2.3 GPM (gallons per minute), has one of the lower GPM values. For those prioritizing effective debris rinsing, one of the top products in this price range is the Lifan LFQ3370, offering a high flow rate of 3 GPM.
  • The MS61114's Cleaning Units, 6440 CU (PSI X GPM), fall into the lower end when compared to gas-powered devices of similar price. For those placing importance on maximum cleaning power, the Lifan LFQ3370 and its 9900 Cleaning Units offer one of the highest cleaning efficiencies among units in the same price range.

Price comparison

As you can see from these interactive charts, when compared to other gas-powered washers between 6000 and 6500 Cleaning Units, the Simpson MS61114 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
  • 5 year (limited) warranty
  • Good range of nozzles included
  • Automatic detergent dilution
  • Onboard storage
  • Several security features
WEAKNESSES:
  • Low PSI for the price
  • Low GPM for the price
  • Low CU for the price

Do you own the Simpson MS61114 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 MS61114 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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