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Discontinued

Simpson

Model # MSH3125-S

Internet # 203177499

Honda GC190 MegaShot 3100-PSI 2.5-GPM Gas Pressure Washer

This item has been discontinued.
The Home Depot no longer carries this specific product.

Was   $399.00
$379.00 /each

Save $20.00 (5%) through 08/16/2015

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PRODUCT OVERVIEW

Model # MSH3125-S

Internet # 203177499

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 brass head pump with PowerBoost technology which provides higher pressure at the nozzle
  • 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 a ccessory storage for spray gun/wand, high pressure hose, and nozzles
  • Home Depot Protection Plan:

    Home Depot Protection Plan

Info & Guides

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SPECIFICATIONS

Dimensions
Assembled Depth (in.) 
34.75 in 
Assembled Height (in.) 
23.25 in 
Assembled Width (in.) 
21 in 
Hose Diameter (In.) 
.25 in 
Hose length (in.) 
300 
Details
CA (CARB) Compliant 
CARB Compliant 
Commercial 
No 
Detergent tank 
No 
Engine Displacement (cc) 
187 
Engine Make 
Honda 
Engine Type 
GC190 OHC 
Foldable handle 
No 
Fuel tank capacity (gallons) 
.475 
GPM 
2.5 
Hose Material 
Reinforced 
Maximum Pressure (PSI) 
3100 
Number of tips included 
Onboard storage 
Yes 
PSI Range 
2600-3199 PSI 
Pressure Washer Power Type 
Gas 
Product Weight (lb.) 
60 lb 
Pump Brand 
Other 
Pump Type 
Axial 
Reconditioned 
No 
Returnable 
30-Day 
Start Type 
Manual 
Translucent fuel tank 
No 
Water capability 
Cold 
Wheels 
Yes 
Warranty / Certifications
Manufacturer Warranty 
Limited Warranty – Consumer Use - 2 Years on HONDA GC engine, 1 Year on frame and pump components, 90 Days on spray accessory items 

CUSTOMER REVIEWS

Rated 4.3 out of 5 by 362 reviewers.
Rated 5.0 out of 5.0 by Power to spare and easy to use When I looked for power washers I was thinking about getting one that would be "future proof" meaning I would have enough power to do ANY (normal) household job while it being nimble enough for my wife to use should she want to. I looked at many electric and gas powered pressure washers and ended up buying this one due to is having a Honda motor and the great power and throughput measurements. So far I have used the pressure washer for about 10 hours. I washed my pool deck, my driveway and my walkway. It starts very easily and has enough power to do any job that I can imagine. My wife enjoys using it, so much so when she washed off the pool deck this weekend she pulled the washer out to use it and got the job done very quickly. One warning is that this has a LOT of power and when coupled with the nozzle that has the most concentrated beam is powerful enough to do damage to concrete and other porous surfaces. I made a nice dent in my concrete where I started using it. Overall I am glad I spent the extra $100 and went for a gas driven powerhouse. Since it is on wheels it is actually easier to move around that some of the electric ones I have used that are not on wheels. While I would not want to try to move this power washer in the cab of my car, given the size and weight, this is not something I would be very likely to do anyway. April 28, 2015
Rated 4.0 out of 5.0 by Power Plus I have been using home style electric pressure washers for years but felt it time to move up to a gas powered one. This one delivers the power. So much so that cleaning smaller items can be a challenge. Pros: 1) has lots of pressure 2) has several quick connect nozzles 3) has reliable metal connectors 4) the wand is sturdy and a nice length 5) engine starts easily Cons: 1) the handle and clearance under it do not allow good movement 2) the wand rest is stupid at best 3) the nozzles will jump out of their holder during operation 4) the hose holder drops from the handle that is already too close to the ground so short loops are required for storage making the hose hard to secure Bottom Line: This unit with the separate nozzles will take care of most big jobs and clean well; however, the amenities leave something to be desired. I added a strap to cover the nozzles in their holder to keep them there, bought quick connectors for the high pressure hose, added a rest on the frame for the wand under the muffler, and bent over the first wand rest on the handle and only use the second. I also added a strap to secure the upper part of the wand (still needs some work) for storage. I think a windup drum for the high pressure hose would be a nice addition and a regulator to reduce the pressure would be nice too but the price was right and I hope to get years of use from this one. July 4, 2015
Rated 5.0 out of 5.0 by Fantastic!!! I have used more than one 2700 psi washer over several years, but this Simpson 3100 psi was significantly stronger. It worked twice as fast as my older (I wore it out) washer. So much pressure, I had to hold on to the wand with both hands!!! It really did speed up my jobs. Well worth the price. It will help me make more money quicker with more client satisfaction because it does such a good cleaning job so quickly. I bought it because of the Honda GC 190 and it has not disappointed me. October 21, 2014
Rated 5.0 out of 5.0 by Works Great! I ordered the Simpson MSH3125-S thru Home Depot online after doing much research and comparisons. The MSH3125-S was shipped directly to my house, all components were received and it was easy to assemble basically the handle. After reviewing the instructions and adding the oil provided by Simpson, the Honda engine started right up. I like the chose of nozzles and the pressure hose is flexible. I agree with other reviews that I will probably order a longer hose. Otherwise, this is a powerful machine that moves effortlessly due to the real tires and does an excellent job of cleaning surfaces. Glad I chose a Simpson. June 10, 2015
Rated 5.0 out of 5.0 by Easy start Honda engine Easy start Honda engine, very efficient cleaning of vinyl fence and mold on driveway. A bit noisy, but good machine overall. July 20, 2015
Rated 5.0 out of 5.0 by Great Machine! So far so good. This machine is excellent. It has a lot of pressure and all the tips for the wand, many brands don't have a 15 degree and 25 degree, just either or. The horizontal shaft engine makes it easy to access the pump to connect the hoses. The pump is mostly brass instead of all aluminum like some. The handle can be reverse inserted to make it smaller for storage. Love it! July 8, 2015
Rated 5.0 out of 5.0 by Great little powerhouse of a pressure washer. What a great product. I purchased this model a month ago and it is my first pressure washer. A real pleasure to use. But it's the engine and pump that makes this such a great pressure washer and not much so the name like Simpson. I've seen countless pressure washer manufacturers out there that still use Honda Engines on them including this same, identical engine. Though contacting Simpson by use of a telephone is probably your best bet if you need any information or advice on this washer, but they seemed to be reading out of a scripted manual to help you in answering some questions you may have. Don't bother emailing them as I've emailed them many, many times to never get a response from them. So calling is your best choice. The power of this washer is amazing and with the right rotating nozzle head; I used a Simpson Nozzle Head which is rated for 3400 PSI @ 2.5 GPM and had an orfice opening of 3.0, it worked flawlessly with this pressure washer. However I did purchase a Surface Cleaner from Northern Tools (General Pump 18" Hammer Head Surface Cleaner), which Northern said it would work fine with this pressure washer. But unfortunately, it didn't. The nozzles on the Surface cleaner are comparable to the white nozzle head that comes with this pressure washer (40 degrees nozzle). It created a lot of water but barely took any surface dirt off of my brick driveway. Now if the surface cleaner was fitted with the (Red 0 degrees nozzle), it would be the perfect fit. But I went with the Simpson Nozzle since it was designed for this washer. This is a great product and got it at a very affordable price from Home Depot Online Store. I highly recommend this pressure washer. It's not too loud of an engine, very low maintenance, easy to start and has enough pressure to tackle almost any cold water task you can throw at it. July 19, 2015
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