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MegaShot MSH3125 -S 3200 PSI at 2.5 GPM HONDA GC190 Cold Water Pressure Washer (49-State)

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  • HONDA GC190 OHC premium Engine
  • Maintenance-free OEM Technologies Axial Cam Pump
  • Does not ship to California
  • View More Details
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Top Rated

Product Overview

The Simpson MegaShot Series is perfect for the "Do-it-Yourselfer" looking for maximum performance with minimal investment. Simple to use and great for cleaning decks, patios, outdoor furniture, house siding and prepping home exteriors for painting. Its compact design is lightweight and small enough to be easily transported by one person. Equipped with premium HONDA, KOHLER or Simpson OHV engines built with high-quality components, designed for optimum performance and renowned for being easy to start.
  • HONDA GC190 is easy to start and operate
  • Reliable, maintenance-free OEM Technologies axial cam pump with thermal relief
  • MorFlex 1/4 in. x 25 ft. high pressure hose is non-marring, flexible and abrasion resistant
  • Welded steel frame construction with powder coated finish for durability and corrosion resistance
  • 10 in. premium tires for ease of maneuverability across various terrain
  • 5 quick connect nozzle tips: 0°, 15°, 25°, 40° and soap to use for a variety of cleaning applications
  • 2-year limited consumer engine warranty, 1-year limited pump warranty, 5-year limited frame warranty, 90-day limited accessory warranty
  • **Does not ship to California**
  • California residents

Info & Guides

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WPX 3200 PSI 2.5 GPM Gas Powered Axial Cam Pump Pressure Washer with Quick Connect TipsTop Rated3100 PSI 2.8 GPM 212cc OHV Gas Pressure WasherTop RatedMegaShot MS60773-S 2800 PSI at 2.3 GPM HONDA GCV160 Cold Water Pressure Washer
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Top RatedMegaShot MSH3125 -S 3200 PSI at 2.5 GPM HONDA GC190 Cold Water Pressure Washer (49-State)
NameWPX 3200 PSI 2.5 GPM Gas Powered Axial Cam Pump Pressure Washer with Quick Connect Tips3100 PSI 2.8 GPM 212cc OHV Gas Pressure WasherMegaShot MS60773-S 2800 PSI at 2.3 GPM HONDA GCV160 Cold Water Pressure WasherMegaShot MSH3125 -S 3200 PSI at 2.5 GPM HONDA GC190 Cold Water Pressure Washer (49-State)
Engine MakeOEM Branded EngineOEM Branded EngineHonda EngineHonda Engine
Gallons Per Minute2.
Suggested UseCar,Decking,Driveway,Grill,Paint Preparation,Patio Furniture,Siding,WindowCar,Decking,Driveway,Grill,Paint Preparation,Patio Furniture,Siding,WindowCar,Decking,Driveway,Grill,Paint Preparation,Patio Furniture,Siding,WindowCar,Decking,Driveway,Grill,Paint Preparation,Patio Furniture,Siding,Window
FeaturesChemical/detergent injection,Quick connect tipsFoldable handle,Quick connect tipsAbrasion Resistant,Adjustable pressure,Chemical/detergent injection,Kink free hose,Quick connect tipsChemical/detergent injection,Quick connect tips
Start TypeRecoil StartRecoil StartRecoil StartRecoil Start
Pump TypeAxialAxialAxialAxial
Commercial / ResidentialCommercial / ResidentialResidentialResidentialResidential
IncludedDetergent tank,Engine oil,Hose,O-Ring,WheelsHose,Onboard cord storageEngine oil,Hose,Onboard storage,WheelsEngine oil,Hose,Onboard storage,Wheels
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Assembled Depth (in.)
34 in
Assembled Height (in.)
24 in
Assembled Width (in.)
21 in
Hose length (in.)
Interior Hose Diameter (In.)
Wheel Diameter (in.)


Assembly Required
CA (CARB) Compliant
Not CARB Compliant
Commercial / Residential
Connection Type
1/4 in. Universal Quick Connect Wand/Nozzle
Engine Displacement (cc)
Engine Make
Honda Engine
Engine Type
Chemical/detergent injection,Quick connect tips
Fuel Tank Capacity (gallons)
Gallons Per Minute
Hose Material
Engine oil,Hose,Onboard storage,Wheels
Maximum Pressure (PSI)
Nozzle Type
Pro Style tips with quick disconnect
Number of tips included
Pressure Washer Power Type
Product Weight (lb.)
PSI Range
2600-3199 PSI
Pump Brand
Pump Type
Start Type
Recoil Start
Suggested Use
Car,Decking,Driveway,Grill,Paint Preparation,Patio Furniture,Siding,Window
Water Temperature

Warranty / Certifications

Manufacturer Warranty
2 Year limited consumer engine warranty : 1 Year limited pump warranty : 5 Year limited frame warranty : 90 Day limited accessory warranty

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.4
    out of 4,639 reviews
  • 88% recommend this product
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Showing 1-10 of 4,639 reviews
Very Difficult to Start
I have had this pressure washer for a couple of years now and the pressure washer works great but it is extremely difficult to start. I'm the only one that can start. The problem is that the pull string is located a poor position. I can barely fit my hand in the small space. I often bang and cut my hand when trying to start it. The other thing is there is no place to brace the power washer while pulling the pull string. This result in the power washer moving instead of the pull string coming out. I have banged and cut my hands many times trying to start this. There are time where I cannot get it started. I'm not sure why they would put the pull string in such an awkward place.
Response from SIMPSON TeamSep 9, 2021
So sorry to hear about your difficulty with the pull string, RAZ! We certainly do appreciate your feedback though & will document your experience for our team. You can contact us at 877-362-4271 or email us at productsupport@simpsoncleaning.com to discuss further if you like. Thanks for taking time to review! simpson
    3 people found this helpful
    Tough, powerful and gets the job done.
    This unit has served me incredibly well. I purchased this washer a couple of years ago and have washed for countless hours with it. It’s incredibly simple and easy to use, the Honda GC190 motor is unbreakable, maintenance and upkeep is a breeze and the interchangeable nozzle system works wonders. You can easily do anything from washing a car to restoring decades-old concrete in a flash. This unit does not come with a soap/detergent tank, it does come with a siphon hose for running detergent through the soap nozzle which is easy enough. I’d highly recommend purchasing a surface cleaner from Simpson if you’re planning on washing large areas of concrete, like driveways, patios and porches. Having a surface cleaner will shorten your washing time astronomically. A coworker has the exact same unit and has been using it for years, without error, as well. As far as residential work, this is top-notch performance. I’d recommend this unit to anyone.
    Response from SIMPSON TeamAug 30, 2021
    Thank you for your feedback, Spencer! We're glad to hear the pressure washer is performing for you. You're absolutely right about that Surface Cleaner! It cuts cleaning time drastically when you're taking on concrete, decks, etc...
    We'd love to see some of your projects! Tag #simpsonclean on social to show us what you've cleaned. simpson
      • Recommended
      I got it in April used it on the weekend, I loved it, didn’t have the oil issues in the packaging...
      I got it in April used it on the weekend, I loved it, didn’t have the oil issues in the packaging other reviewers had. I put it in my shed, went to use it this past weekend and had oil all over the stand and on my floor, I haven’t reached out to Simpson yet, but by some of the reviews I’ve read from people who have it doesn’t sound like it will do any good I’m hoping they stand by their product
      • DIY
      6 people found this helpful
      Received product with oil all over it, which also got on & ruined our new concrete. When we calle...
      Received product with oil all over it, which also got on & ruined our new concrete. When we called Home Depot they blamed Simpson and Simpson blamed mail carrier. Apparently Simpson puts oil in the pressure washer before mailing to make sure it will start, and they claim there's no way to get all of the oil out, and if the carrier ever sets the box down incorrectly, then the oil can run out and ruin pressure washer. It was a waste of time trying to get anything out of it. Pressure washer would never start and every attempt to try spit more oil out on our concrete which never came off. Home Depot nor Simpson helped us in any way. We took a L on this product for our own sanity.
      • Verified Purchase
      13 people found this helpful
      Oil leak
      New in box purchase. When unpacking the unit, the box, manual, unit and packing were covered in oil. Apparently, from reading other reviews, this isn’t uncommon. Haven’t used yet but will be looking for oil leak as well (based on other reviews). Somewhat disappointing based on “top rated” status and price point but we’ll see. Hope to hear from someone at Simpson regarding issue.
      Response from SIMPSON TeamApr 23, 2021
      Hi, please contact our Customer Support Team at 877-362-4271. We would welcome the opportunity to understand the root cause of the issue and what can be done to help resolve your experience. -SIMPSON Team simpson
        6 people found this helpful
        Oil leak
        Brand new unit and oil is leaking from the engine. I am disappointed to say the least. Birthday present that has now become a hassle, not sure how to fix but for the price I don't think I should have this issue.
        Response from SIMPSON TeamApr 16, 2021
        Hi, We can certainly understand that this is a frustrating experience for you. Please let us know if you have any other issues or concerns by contacting our Customer Support Team at 877-362-4271. - SIMPSON Team simpson
          7 people found this helpful
          Ran and cleaned perfectly...but arrived covered in oil (including the paperwork), and wound up having a small, but consistent oil leak when running.
          This unit run and cleans on a spectacular level. It arrived having leaked oil all over the unit, including the paperwork. Given that the unit is supposed to be shipped without oil, I wrote this off to them making a mess when draining the the oil to prepare for shipping. It turns out there was at least good 3oz left in the engine, and 1oz of it dripped all over the unit. I cleaned it up and used it three times. It started up, and cleaned very, very well....but it does have a slow drip, and that drip is in spots all over my pavers, not to mention the top of the frame where the engine sits. If i had to take a guess, I'd say it's leaking from the bolt on the oil pan. I tried to tighten it, but it only tightened minimally, and seemed very tight already. Very disappointing, given I spent the extra money on a Simpson so I WOULDN'T have these problems, and would have this unit for a very long time. Will take back this weekend, and hope this was just bad luck with a very good brand.
          Response from SIMPSON TeamApr 9, 2021
          Hi, pease contact our Customer Support Team at 877-362-4271. We would welcome the opportunity to understand the root cause of the issue and what can be done to help resolve your experience. -SIMPSON Team simpson
            • Recommended
            8 people found this helpful
            Homeowners Best Pressure Washer
            I love this thing. It has the power needed to do whatever pressure washing needs around the house. It cranks in a few pulls just have to make sure choke isn't pulled all the way out. Easy to maintenance and does a great clean on my driveway and fence. I definitely recommend and would buy again if needed.
              • Recommended
              4 people found this helpful
              Pump pin hole problem
              After one year of use (5 hours run time), the pump housing developed pin holes and all the pressure escapes. Tried to resolve this obvious manufacturing failure with Simpson but the pump is only under warranty for one year. Noticed that this is a recurring problem with other reviews on the Simpson website. Buyer beware - this is a disposable pressure washer - you'll need another one every year. Simpson refused to post my review - I don't think they want this manufacturing failure to come to light.
                69 people found this helpful
                Easy to use
                So far so good. This is my first pressure washer so I’m still getting used to it. I did some cleans on my some of my fence and it worked very well. I also used it with floor accessory to clean my driveway and side walk. As a first timer it took me sometime to figure out how to start it and keep it going, but I think I’m doing fine now that I overcame that.
                • Verified Purchase
                • Recommended
                Showing 1-10 of 4,639 reviews