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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Description
Zoom on the Simpson MS61114
In summary, the Simpson MS61114 is a medium to heavy duty pressure washer, which provides:
- targeted spot cleaning for hard, unpainted surfaces, reaching elevated areas, and thoroughly removing stubborn stains
- comprehensive cleaning of hard surfaces, vehicle washing, and readying surfaces for painting
- delicate surface cleaning, andbroad area cleaning with reduced pressure
- utilizing cleaning solutions, and rinsing surfaces clean
Ahead are presented its power characteristics and design, its main features and any other additional features.
Power
With a 149cc engine powering it, the axial cam pump of this unit is capable of achieving a pressure of 2800 PSI (approximately 47 times greater than that of a standard garden hose) and a flow rate of up to 2.3 GPM (CETA-certified values). Corresponding to these values is a cleaning power of 6440 Cleaning Units.
For this gas-powered pressure washer, the KOHLER XTX675 engine is started using a time-tested pull-start mechanism.
Fuel for the pressure washer is housed in a steel tank capable of holding up to 0.3 gallon of gasoline.
Design & Handling
Thanks to its hand truck design and approximate dimensions of D24 x W17 x H36 in, the Simpson MS61114 offers great mobility. Guaranteeing longevity, the robust welded steel frame offers stability and protects internal components, even when subjected to demanding tasks. The handle adds to the MS61114 convenience of transport.
This unit, weighing 55 lbs, strikes a comfortable balance between portability and stability, ensuring easy maneuvering for users of various strengths. That weight is mainly due to the inclusion of the 149cc KOHLER XTX675 engine and a solid welded steel frame. Yet, its two 12" never-flat wheels ensure the MS61114 remains effortlessly maneuverable.
Main Features
Along with the Simpson MS61114 itself, the package also includes a spray gun, a wand, a pressure hose, 4 nozzles and a detergent injection feature, which are discussed in further detail below.
- Soap injection: A dedicated tank ensures storage for detergent within the pressure washer. The Simpson MS61114 features an automatic soap dilution mechanism that dilutes detergent according to a predefined ratio of 7:1. Upon attaching a soap nozzle, the pressure washer seamlessly integrates the detergent into the water flow.
- Pressure hose: With a set of easy-to-use straps, the unit provides a convenient way to store the included 25 ft ⌀1/4" high-pressure hose when not in use, keeping it organized and readily accessible.
- Spray gun and wand: The included classic ergonomic spray gun and its wand can be easily stored in a side hook.
- Nozzles: The table below shows you the 4 included nozzles and the surfaces they're the most appropriate for.
0° | 15° | 40° | Soap | |
|---|---|---|---|---|
| Concrete, brick, masonry | ||||
| Siding, gutters, house | ||||
| Fencing, deck, patio | ||||
| Lawn equipment, boat, RV |
Important note: The shapes of the depicted nozzles serve for illustration purposes only and may vary. Symbols used include a for 'Not recommended,' a for 'Suitable,' and an for 'Use with caution.'
Other Features
- Onboard storage: With the Simpson MS61114'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: On top of an owner's manual (opens in a new tab) and the usual documentation to get you swiftly started, the Simpson MS61114 also comes with spray gun, pressure hose, wand, soap hose 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.
Note: Even though we couldn’t list its price on this page, our research indicates that some retailers sell this unit around $350.
- Featuring 2800 PSI, the Simpson MS61114 achieves a lower pressure value compared to competing gas-powered pressure washers within the $300-400 price category. If your priority is the highest possible power of the water stream, in this price range, we suggest checking out the Westinghouse WPX3400, which reaches up to 3400 PSI.
- In the aforementioned price range, this washer, with 2.3 GPM (gallons per minute), is placed on the lower end of the GPM scale. When it comes to efficiently rinsing away debris, one standout option within this price range is the WEN PW224G, delivering an impressive 2.7 GPM.
- With a cleaning power of 6440 Cleaning Units (PSI X GPM), the MS61114 falls on the lower end compared to similarly priced gas-powered devices. 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 WPX3400 and its 8840 Cleaning Units.
Price comparison
As you can see from this interactive chart, when compared to other gas-powered washers between 5800 and 6700 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
- In the expected price range
- 5 year (limited) warranty
- Good range of nozzles included
- Automatic detergent dilution
- Onboard storage
- Several security features
- Low PSI for the price
- Low GPM for the price
- Low CU for the price
Features and Specifications
| Fuel | Gas-Powered |
|---|---|
| Engine | 149cc KOHLER XTX675 OHV 4-stroke |
| Pump | OEM Technologies™ Axial Cam |
| Water | Cold (90°F max.) |
| PSI | 2800 |
| GPM | 2.3 |
| Cleaning Units | 6440 |
| Frame | Welded steel |
|---|---|
| Handling | Hand Truck |
| Wheels | 2 wheels, ⌀12", never flat |
| Weight | 55 lbs |
| Dimensions | Approx. 24 x 17 x 36 in (D x W x H) |
| Hose storage | Straps |
| Soap injection | Yes |
|---|---|
| Soap tank | Yes |
| Soap dilution | 7:1 |
| Nozzles | 0°, 15°, 40°, Soap |
| Quick connect nozzles | Yes |
| Onboard storage | Yes |
| Hose | 25 ft, ⌀1/4 |
| Security | Low oil, trigger lock and thermal relief valve |
|---|---|
| Emissions | CARB, EPA |
| Included accessories | Oil, wand, spray gun, high pressure hose, soap hose, 4 nozzles |
| Warranty | 5 years |
| Series | MegaShot |
| Other model numbers | MS61114-S, 61114 |
| UPC | 879399006449 |
We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.
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.



