Model # MSH3125-S

Internet #203177499

Simpson MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda
0879399000959

Simpson

MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda

  • HONDA GC190 OHC premium Engine
  • Maintenance-free OEM Technologies™ Axial Cam Pump
  • Pro-style steel spray wand with 5 quick connect nozzle tips
$395.15 /each

Frequently Bought Together

Product Overview

Especially created for the home and shop, 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, house siding, outdoor furniture 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 OHC Engines that are built with high-quality components, designed for optimum performance in the harshest environments and renowned for being easy to start, consistently. OEM Technologies axial cam pumps with patent pending PowerBoost technology provide higher pressure at the nozzle resulting in greater impact and cleaning performance.

California residents: see   Proposition 65 information

  • Honda GC190 OHC premium residential - engine oil is included
  • Maintenance-free OEM Technologies™ Axial Cam Pump with POWERBOOST® Technology for Increased Performance
  • Welded frame construction and 10 in. premium pneumatic tires
  • 1/4 in. x 25 ft. MorFlex high pressure hose is kink and abrasion resistant, provides flexibility and is equipped with easy twist-on connectors
  • Pro-style steel spray wand with 5 quick connect nozzle tips- 0 Degrees , 15 Degrees , 25 Degrees , 40 Degrees and soap applicator nozzle
  • Downstream detergent injection system for use of cleaners
  • Ergonomic spray gun with safety lock-out
  • Convenient on-board accessory storage for spray gun/wand, high pressure hose and nozzles

Info & Guides

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Price
$332.18 /each
$395.15 /each
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Name MegaShot 3,000 psi 2.4 GPM Gas Pressure Washer Powered by Kohler MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda 3,100 psi 2.8-GPM OneWash Variable Speed Gas Pressure Washer 3100-PSI 2.5-GPM Honda Gas Pressure Washer with Idle Down
Brand Simpson Simpson Generac Ryobi
Ratings (82) (861) (650) (492)
Maximum Pressure (PSI) 3000.000 3100 3100 3100.000
Pressure Washer Power Type Gas Gas Gas Gas
Commercial No No No No
GPM 2.4 2.5 2.8 2.5
Included Wheels Onboard storage,Wheels Detergent tank,Onboard storage,Wheels Detergent tank,Onboard storage,Wheels
Features Chemical/detergent injection,Quick connect tips Chemical/detergent injection,Quick connect tips Chemical/detergent injection,Foldable handle,Quick connect tips Chemical/detergent injection,Foldable handle,Quick connect tips
Refurbished No No No No
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Customer Questions & Answers

83 Questions291 Answers

Customer Questions & Answers

MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda
MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda

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10 answers

Is the panel that holds the nozzles and has the hose hook, metal or plastic?

This question is from MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda
Asked by
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May 13, 2016
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Answers (10)

Asked by
Atlanta, ga
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October 1, 2016
Answer: 
It's a heavy vinyl panel in a metal surround
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Asked by
CT
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August 9, 2016
Answer: 
Metal.
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Asked by
Bridgewater, MA
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July 26, 2016
Answer: 
It's metal.
+1point
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Asked by
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July 19, 2016
Answer: 
If I recall they are both plastic. They seem durable to me though. I was not unhappy with them.
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Asked by
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July 19, 2016
Answer: 
Metal panel. Seems durable to me. There is a rubber piece in the hole where the nozzles fit to keep them from falling out. I hauled this in my trailer and didnt have any nozzles fall out so I was happy with it.
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Asked by
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July 19, 2016
Answer: 
Metal to metal connection (brass). There is a plastic piece on the end of the nozzle and each nozzle has a different color. The plastic piece is durable and I think it's there just so you have plastic on the end of the sprayer in case you bang it into something.
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Asked by
Chicago
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Home Improvement Profile: Professional
May 16, 2016
Answer: 
this panel is made of metal
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Asked by
Williamstown, NJ
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Home Improvement Profile: DIYer
May 15, 2016
Answer: 
Metal
+1point
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Asked by
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May 14, 2016
Answer: 
It is metal.Great quality steel
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Asked by
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May 14, 2016
Answer: 
Metal/sturdy
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10 answers

Can I add an injector downstream to use bleach or spray a deck cleaner?

This question is from MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda
Asked by
Carlisle PA
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May 27, 2015
Have an area of my house that's hard to reach and needs a stronger cleaner to get it clean!
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Answers (10)

Asked by
Atlanta, ga
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October 1, 2016
Answer: 
yes - there is a suction hose provided
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Asked by
Pennsylvania
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June 21, 2016
Answer: 
I wouldn't see why not? I see the professionals use a downstream injector with bleach and have no problems. I don't think people realize with a downstream injector you're injecting chemicals after the pump. No bleach is going into the pump..
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Asked by
Marlton, NJ
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Home Improvement Profile: DIYer
May 12, 2016
Answer: 
Depending on what you're doing you can use Oxyclean or equivalent instead of bleach. That can be wiped or spread on your target and then pressure washed off. Found good results and it is safer and better for the environment.
+1point
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Asked by
STL
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Home Improvement Profile: Professional
April 30, 2016
Answer: 
Yes, its like anything else once your done run your normal detergent through the system, by doing this your purging out any residue that might be left. I have been doing this and have never had a problem with my power washer, but if you still don't feel comfortable use a 50/50 mix and repeat the process above by purging your system.
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Asked by
Congress, az
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Home Improvement Profile: DIYer
October 28, 2015
Answer: 
It is advised not to use bleach. I would apply the bleach with a spray bottle at best. Home Depot sells a deck cleaner that is meant to be used with that machine.
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Asked by
Palmetto Florida
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Home Improvement Profile: DIYer
September 8, 2015
Answer: 
I would not run any bleach through this machine. Try to pre treat the area with a solution of 50% water and 50% bleach, give it a few minutes then use pressure washer to spray off. You may need a ladder to get to those hard to reach areas. I had trouble with high areas of my pool cage and this trick worked like a charm.
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Asked by
Palmetto Florida
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Home Improvement Profile: Professional
July 22, 2015
Answer: 
This unit s a prosumer unit, but not advisable to run bleach through the system. I have a separate bottle of a bleach mixture of 50/50. Bleach and water. I spray it on about 5 to 10 minutes prior to hitting it with the pressure washer.
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Asked by
Brunswick, Ga
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July 16, 2015
Answer: 
yes it comes with a chemical injector tip that will siphon detergent and add it to the low pressure stream
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Asked by
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June 24, 2015
Answer: 
I think bleach is bad for the pump
+8points
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Asked by
Houma La.
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Home Improvement Profile: Other
June 6, 2015
Answer: 
never use bleach in your washer. It is corrosive and can damage the washer. There are many solutions on the market that are made for this purpose.
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8 answers

does this include a detergent siphon hose?

This question is from MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda
Asked by
Southern CA
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June 21, 2015
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Answers (8)

Asked by
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July 19, 2016
Answer: 
Yes. Make sure you use the correct nozzle when using detergent hose...the blue one. :)
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Asked by
Chicago
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Home Improvement Profile: Professional
July 19, 2016
Answer: 
yes. it comes with a drop in chemical hose and filter.
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Asked by
Congress, az
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Home Improvement Profile: DIYer
October 27, 2015
Answer: 
Yes, it come with a detergent siphon hose and it is long enough to get the job done easily. It slips on to a barbed connection and it call be pulled off easily when not in use. It stays in place during use.
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Asked by
Palmetto Florida
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July 21, 2015
Answer: 
Yes, it includes a siphon hose, and works very well using the black nozzle.
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Asked by
Brunswick, Ga
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July 16, 2015
Answer: 
yes a clear siphon hose for the chemical injector is included, I found that attaching a small weight to the detergent siphon hose will keep it submerged better in the bucket of solution.
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Asked by
Eugene Oregon
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Home Improvement Profile: DIYer
July 3, 2015
Answer: 
Yes.
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Asked by
Boulder CO
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June 29, 2015
Answer: 
Yes
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Asked by
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June 24, 2015
Answer: 
Yes
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7 answers

does it have an onboard detergent container

This question is from MegaShot 3,100 psi 2.5 GPM Gas Pressure Washer Powered by Honda
Asked by
Bel Air MD
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September 18, 2015
i have looked at the pictures of this unit and i don't see the container for detergent
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Asked by
Atlanta, ga
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October 6, 2016
Answer: 
No - uses a siphon hose
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Asked by
Bridgewater, MA
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July 26, 2016
Answer: 
No. It has a siphon tube to drop into a bucket with cleaning solution.
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Asked by
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July 19, 2016
Answer: 
It comes with a connection hose so you can take your container of detergent and put the hose into it. I havent used it so I dont know how the hose stays in your container. On a hard surface the washer moves around a bit...no surprise since power washers vibrate.
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Asked by
Chicago
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Home Improvement Profile: Professional
April 28, 2016
Answer: 
Lou,
It is a professional machine and most Pros and Semi- Pros don't want the soap tank attached.They want to suck the soap out of the jug that it comes in since there can use multiple soap types for different applications and don't want to keep cleaning and emptying out soap tanks. I hope this answers your question.
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Asked by
Congress, az
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October 27, 2015
Answer: 
No it does not have an onboard detergent container. It does have a space on a small platform beside the pump where you can put a gallon container and tie it in place with a rope.
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Asked by
Williamstown, NJ
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Home Improvement Profile: DIYer
September 22, 2015
Answer: 
No it has a clear tube that goes into the container of the cleaner you want to use
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Asked by
Palmetto Florida
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Home Improvement Profile: DIYer
September 22, 2015
Answer: 
This pressure washer does NOT have an onboard detergent container, however it does have a siphon hose for detergent (not bleach) that when using the black nozzle will draw from you own container i.e. bucket. It works just fine.
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Customer Reviews

Rated 4.5 out of 5 by 837 reviewers.
Rated 5.0 out of 5.0 by Most Excellent Borrowed my buddy's Simpson power washer to strip my deck and clean my cedar siding in preparation of staining. His unit is older and 2500 psi. I was so impressed I started looking for a Simpson with 3100 psi and a Honda engine. I found exactly what I was looking for at Home Depot online at a great price of 399.99, however, before I could decide to purchase it went on sale for $ 379.99. I bought it right away and couldn't be more pleased. I use it to clean tractor, aerator and all my garden tools and my Polaris RZR after muddy trail rides. Phenomenal unit very pleased. August 2, 2016
Rated 5.0 out of 5.0 by Great pressure washer Ordered from Home Depot and it arrived and was very easy to assemble. Added the oil and fuel and it fired right up. Have used it three times now and each time it exceeded my expectations. It is a little noisy, but it is a decent sized pressure washer so I can expect that. The one thing I recommend is that you hold the trigger now when pull starting the pressure washer to make it easier. Everything seems like it will last a while. October 25, 2016
Rated 4.0 out of 5.0 by After using it for one month/two major jobs, the washer Starts easily, has good pressure, and runs smoothly. Mine came with all parts, although many reviews complained about missing parts. It would be nice if the handle was higher off the ground/longer as you have to pay attention to not tripping on it when you push or pull it. The supplied 25' hose is too short for most jobs. You can buy a 25' extension hose online. It has easy access to the hose couplings. Seems like a good overall unit. October 25, 2016
Rated 1.0 out of 5.0 by Leaking oil I have used it 2 times and it worked great. I went to use it a third time and found a puddle of oil underneath. Put some dry paper down to see where it was coming and found it leaking from 2 places. I purchased it about a month ago. Hopefully I can return it. July 1, 2016
Rated 5.0 out of 5.0 by Easy crank, compact makes it easy to store, cleans well October 25, 2016
Rated 1.0 out of 5.0 by RETURNED Cold start worked fine, but shut it off for a minute or two and would not start again. went to home depot to exchange for different brand, the cashier would not let me use the money from this pressure washer to buy the new one. she made me put the money back on my debit card witch takes 3 days to show up(she said). so now I have almost $1000.00 tied up in pressure washers from home depot. that's not counting the broken WEN generator I got in today. I don't think ill order from online store anymore. October 7, 2016
Rated 5.0 out of 5.0 by Highly rated Did extensive research and this model was always rated highly. I also liked that it was tested by the manufacturer before it was shipped. It also comes with a can of oil. It started after two tries and started on the first time every time after that. I purchased separately a surface cleaner. I was able to clean my driveway. sidewalk, and a large patio in short order. You can flip the handle to take up less space for storage. Based on my first use I would highly recommend this product. October 23, 2016
Rated 5.0 out of 5.0 by It's good machine that seems to work well I found the machine to be easy to assemble, easy to work with and most of all it does the job it was designed to do, namely clean and pressure surfaces. I think a splash guard might be a good idea to install as I was covered in muck by the time the work was completed October 18, 2016
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