Simpson Cleaning MSH3125 MegaShot Gas Pressure Washer Review

Last updated on July 21st, 2022 at 03:03 pm

If you are an obsessive cleaner, you must have already tried using your garden hose for cleaning out your garage and walls. But that doesn’t really work, does it? It is just way too tiring and time taking. And the worst part is that by the end of the day, you are not even getting the desired results. This is when it becomes necessary to buy yourself a pressure washer. Pressure washers make cleaning so much easier. It does not even require any special efforts from you. All you need to do is supervise it and keep the pressure of water towards the target.

Getting the perfect pressure washer can be overwhelming sometimes as there are so many options available in the market. Here is the complete review of Simpson Cleaning MSH3125 MegaShot Gas Pressure Washer, which is undoubtedly one of the most in-demand gas pressure washers of 2022.

Simpson Cleaning MSH3125 MegaShot Gas Pressure Washer

How long does it take to get started?

You will have to assemble this unit by yourself. If you are using a pressure washer for the first time, there is no need to got cold feet. The guidelines are available. You will be able to get started in just 15 minutes. Half of the unit is already assembled. You just have to do so some simple tasks like attaching the handle to the cart, attaching the wand, and adding oil and fuel. When the package arrives, the oil will come with it. You need to handle it with extreme care otherwise it can easily spill and ruin the whole first-time experience for you.  Everything you need to get started comes with the package, all you need to get is the fuel and you are good to go.


One of the major concerns of every customer is to know about the performance. Knowing whether you will be able to get the perfect results or not is one of the major concerns of every person. You will be happy to know that this unit is extremely powerful. It offers water pressure of 3,200 PSI (pounds per square inch), with the water flow is 2.5 GPM (gallons per minute). With this pressure, you will surely be able to get the desired results in no time. According to the customers’ reviews, this product can work wonders for you. It can even get the toughest stains, which other pressure washers are unable to get even after multiple washes. Gas pressure washers are well known for their amazing power and performance. 


For handling a pressure washer, it is necessary that you are extra cautious. If the target is not strong enough, you might cause some permanent damage. Before you start cleaning, make sure that the pressure is right for the surface you are about to clean. There are several nozzles available for changing the pressure according to your requirement. These nozzles are commonly referred as 5 Quick connect nozzle tips: 0°, 15°, 25°, 40°, and Soap. Each nozzle is designed for providing different pressures. The 0° offers extremely high pressure, do not use this nozzle until you are certain that the target will not get damaged. For example, if you use it on the wood of your porch or siding of your house, it will definitely cause permanent damage. The same goes for 15°, 25° nozzles, these offer high pressure, but it is slightly lesser than 0° nozzle. 

If you are looking to clean around the house, 40-degree-nozzle is ideal for you. It can offer you just the right pressure for cleaning your car without ripping out the paint. Even while using this nozzle, be careful. Do not go near the car otherwise, it can damage the paint.

The soap nozzle is only used when you are spraying soap. It is recommended to use soap, if you want to get perfect results. 


No matter what people say, design matters a lot. It can actually make your experience good or bad. Even though Simpson Cleaning MSH3125 MegaShot is a decent pressure washer that can provide you with amazing motor power, the design lacks at key places. It does not come with a built-in detergent tank. Detergent tanks are more important than what most people acknowledge. Soap is the first thing you are going to need for getting out tough stains. Most pressure washers come with large built-in pressure washers. But this unit instead of an onboard soap container, the unit has a tube that you insert into your own soap bottle. This might work for some people, but it can be a problem if you have previously been using built-in pressure washers. Plus, it means that you will have to carry around an additional item with you every time you want to clean something. Other than that, you will find everything just perfect and right where you need it.

Durability and ease of use

simpson msh-3125 durability

This unit is, without a doubt one of the most durable options you are going to find. The frame is made of heavy-duty welded steel, the hose is kink and abrasion-resistant. The best part is that the fittings are brass, which ensures that it will not rust. Due to the constant interaction with water, pressure washers tend to rust away in less time and it becomes weak and there are greater chances of it breaking down. No matter what type of pressure washer you are selecting, always make sure that it is strongly made. 

It is designed while keeping your ease in mind as well. This unit comes with rugged 10-inch pneumatic wheels. The frame is strong enough to bear the weight of the whole unit. You can easily move it around like luggage. When we are talking about ease of use, it is important to mention the power wand. Which comes with brass fitting and a quick-release mechanism. It lets you switch the nozzles, whenever you want to change the water pressure. The best part is that it does not require any tools. You can change them with your bare hands. Not but not least is a 25-foot hose. It is the highlight of the whole unit. While using this you will not have to move around the whole unit with you. It lets you clean large yards, without moving around the pressure washer with you.

Fuel Consumption

Even if you are looking forward to cleaning large areas, with this pressure you will be able to clean it with 2 hours. This how long the fuel lasts when fully filled. This unit comes with a fuel-efficient Honda GC190 engine. In one go you will be able to fill half a gallon of gas. Which is enough to let you work for 1 or 2 hours of cleaning. 

Noise Problem

If you have used electric pressure washers before, you will be surprised to know how loud gas pressure washers are. While working outside, you probably won’t go unnoticed. But on the brighter side, this unit makes less noise. It comes with a Honda engine, which changes things for the good. It is not completely quiet, but you will be fine.


We all know gas pressure washers are expensive. They come with a heavy motor as well as there is added expense of fuel too. But when you want perfect cleaning, you will have to pay some extra dollars. This unit is available for around $400. It might seem a lot, but with the number of features this unit has to offer, your money will be well spent. By reading all the positive reviews, I think it is justified to say that people who have spent their fortune on this unit think that their money is well spent. Plus, this unit is highly durable, which means that you will have to spend money this one time and enjoy the amazing cleaning services for years.

  • Amazing performance 
  • Powerful motor 
  • Strong built 
  • 5 Quick connect nozzle tips
  • Acessories 
  • User friendly 
  • Maneuverability
  • No in-built detergent tank 
  • Water connections can be a problem sometimes
  • Hose easily falls off the holder

buy at amazon


The choice of the right pressure washer depends on what features you are looking for. If you have some excessive cleaning to do, a powerful pressure washer is what you need. This unit offers such an amazing water pressure washer that you will be surprised to see the results. Even the toughest stains like oil spills and grease are cleaned in a matter of few minutes. Simpson Cleaning MSH3125 MegaShot can offer you every feature you are looking for. The only problem is that it does not come with a built-in pressure washer. You will have to carry around an extra detergent bottle, and every time you need to use the soap, you will have to make a water connection. Water connections can be a problem too. It just makes the work more difficult for you at times. Plus, if you spill the detergent bottle, you will have to fill it again and start over the whole work. Another noticeable problem is that the water hose keeps falling off from the holder. 

Apart from few design problems, this unit is everything you are looking for. 

Leave a Reply