Top Rated Pressure Washer from Simpson


1.Simpson Megashot MSH3125-S Gas Pressure Washer Benefits

If you want the best pressure washer from Simpson, the Megashot MSH3125-S should be on top of your options list thanks to its powerful Honda OHC engine.

The axial cam pump boasts OEM technologies to ensure reliable cleaning performance.

The machine is built solid for lasting use.

The compact design ensures convenient use as well as transportability.

This machine is built to provide versatile use.



Some of the Simpson Megashot MSH3125-S Gas Pressure Washer reviews express complaints of missing components from the package.


Buy from Amazon for ($398)



Benefits Explained

The Honda OHC engine makes this model the best pressure washer in its class. The technologically advanced engine is easy to start. It has a four-stroke overhead valve design that delivers more torque, runs much cleaner and uses gas more efficiently than a two-stroke engine. The four-cycle engine features a compact combustion chamber and a uniblock construction that contribute to reduced fuel consumption. The engine meets CARB and EPA emission standards thanks to its cleaner operation. It is backed by a two-year residential limited warranty as your assurance of premium quality. The frame and pump components are covered by a one-year warranty and the spray accessory items come with a 90-day warranty.

Pressure washer - SPR 10top

The axial cam pump is equipped with Original Equipment Manufacturer (OEM) technologies. These include the state-of-the-art PowerBoost technology that delivers higher pressure through the nozzle for greater impact plus more reliable cleaning performance. Engine load is minimized while performance levels remain top notch thanks to the high-efficiency design of the axial cam pump. The washer also comes with a maintenance-free oil bath lubrication system to keep it running smoothly. The thermal relief system offers protection from overheating. The highly-polished stainless steel pistons are precision ground, ensuring long life.


Designed for optimal performance in the harshest environments, the Simpson Megashot MSH3125-S Gas Pressure Washer is made of high quality components. It boasts a welded frame construction and premium pneumatic tires. The kink and abrasion-resistant MorFlex high pressure hose offers enough flexible length at 25 feet and comes with easy twist-on connectors.


This machine is easy to use. It works great for cleaning patios, decks, outdoor furniture and house siding and is also great for prepping exterior walls for painting. The compact frame makes this machine lightweight and easy to transport from one location to another by a single person. The ten-inch pneumatic tires let you roll the machine into position.


The pro-style steel spray wand has five quick connect nozzle tips including a soap applicator nozzle along with the 0°, 15°, 25° and 40° nozzles so you can handle a variety of cleaning applications. The ergonomic spray gun ensures easy handling and is equipped with a safety lockout. The downstream detergent injection system is designed for use of cleaning formulations. Detergent application is easy with the supplied siphon tube. The machine comes with convenient onboard accessory storage for the nozzles, high pressure hose and spray gun/wand.



Handle any cleaning task easily with the versatile and powerful Simpson Megashot MSH3125-S Gas Pressure Washer. The machine comes with five nozzle tips to enable you to complete any cleaning task easily. The Simpson Megashot MSH3125-S Gas Pressure Washer offers enough cleaning capability thanks the clean-running and powerful Honda OHC engine. The high pressure hose delivers reliable cleaning performance.


Buy from Amazon for ($398)