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Best Simpson Pressure Washers

Updated June 2023
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Pros
Cons
Best of the Best
Simpson MegaShot 3200 PSI Gas Pressure Washer
Simpson
MegaShot 3200 PSI Gas Pressure Washer
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Feature-packed
Bottom Line

A gas-powered pressure washer that generates 3200 PSI to blast dirt and grime from any surface.

Pros

This power washer uses an axial cam pump that blasts out 2.5 GPM. It has two fat 10-inch pneumatic tires that can roll over any surface, and it weighs 66 pounds. Useful accessories include a spray gun and five quick-connect nozzles. This washer comes with a 25-foot hose.

Cons

Some lemons sold. A few fail early. Not sold in California.

Best Bang for the Buck
Simpson MegaShot 2800 PSI Gas Pressure Washer
Simpson
MegaShot 2800 PSI Gas Pressure Washer
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Simple Yet Solid
Bottom Line

A light-duty pressure washer ideal for smaller cleaning tasks around the house and yard.

Pros

Built around Honda’s GCV160 engine, this pressure washer is a good combo of power and ease-of-use. Creates a 2800 PSI jet of water at 2.3 GPM to blast patios and walkways clean without overheating. Engine is easy to start. Comes with four nozzle tips and a 25-foot high-pressure hose.

Cons

Pump is a weak point with some failing after a few uses.

Simpson PowerShot 4400 PSI Gas Pressure Washer
Simpson
PowerShot 4400 PSI Gas Pressure Washer
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Most Comprehensive
Bottom Line

A powerful pressure washer that produces 4400 PSI at 4.0 GPM and is easy to assemble.

Pros

The CRX 420cc engine makes it good for frequent and heavy use. Uses the brand’s PowerBoost tech to maximize nozzle pressure. Rolls on two 13-inch pneumatic tires. Powder-coated steel frame. Comes with five nozzle tips, spray gun and a 50-foot steel-braided hose.

Cons

A few pumps fail after limited use. Some arrive missing parts.

Simpson Clean Machine 3400 PSI Gas Pressure Washer
Simpson
Clean Machine 3400 PSI Gas Pressure Washer
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Most Versatile
Bottom Line

Use this compact yet powerful washer to revive tired fences, walls and decks quickly and efficiently.

Pros

Arrives fully assembled. Model's engine pumps 2.5 GPM at 3400 PSI. This power washer weighs an easy-to-mange 61 pounds, and rolls on two, 10-inch pneumatic tires. Includes four spray nozzles. Comes with a 15-foot abrasion-resistant hose.

Cons

Hard to start when cold. A few say it's prone to random shutdowns.

Simpson 3600 PSI 2.5 GPM GX200 Gas Pressure Washer
Simpson
3600 PSI 2.5 GPM GX200 Gas Pressure Washer
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Best for Everyday Use
Bottom Line

A strong power washer sporting Honda’s GX200 engine will handle big jobs with ease.

Pros

Ideal for cleaning decks and other wooden surfaces, this washer’s triplex plunger pump makes 3600 PSI at 2.5 GPM. Engine will shut off if the oil level gets too low. Washer platform is made of brushed aluminum that won’t rust. Includes spray gun and five nozzles.

Cons

May arrive missing crucial parts. A few question its durability.

HOW WE TESTED

We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

36
Models
Considered
60
Consumers
Consulted
18
Hours
Researched
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Buying guide for BEST SIMPSON PRESSURE WASHERS

When it comes to outdoor cleaning projects, a pressure washer is a must-have tool. A high-quality pressure washer can blast away dirt, grime and mold from a variety of surfaces, including driveways, patios, fences and even cars. For heavy-duty cleaning tasks, Simpson pressure washers rise to the occasion with robust engines, high pressure ratings and reliable performance.

Simpson pressure washers are designed with varying pressure levels and flow rates, making it easy to choose one based on your specific cleaning needs. Whether it's for residential or commercial use, it's important to consider factors such as the type of engine, pressure rating (measured in PSI, or pounds per square inch), flow rate (measured in GPM, or gallons per minute) and other handy features like adjustable nozzles and easy-start systems.

Our best of the best is the MegaShot 3200 PSI Gas Pressure Washer, a powerful and reliable machine designed to handle the toughest outdoor cleaning tasks. For those on a budget, the MegaShot 2800 PSI Gas Pressure Washer offers excellent performance at an affordable price point.

TOP PICKS


MegaShot 3200 PSI Gas Pressure Washer
When it comes to power, the MegaShot 3200 PSI pressure washer is the leader of the pack. Driven by a Honda GC190 engine, this machine is capable of blasting away even the most stubborn dirt and grime. With its high pressure rating of 3200 PSI and a flow rate of 2.5 GPM, it delivers powerful cleaning performance every time.

The MegaShot 3200 PSI features a sturdy steel frame, ensuring durability for years to come. Its pneumatic tires allow for easy maneuverability over rough terrain, while its professional-grade spray gun with five quick-connect nozzles gives you full control over your cleaning project.

MegaShot 2800 PSI Gas Pressure Washer
The MegaShot 2800 PSI pressure washer offers great value for homeowners looking for a reliable cleaning tool. Powered by a Kohler RH265 engine, this machine can tackle a variety of cleaning tasks with ease.

With a pressure rating of 2800 PSI and a flow rate of 2.3 GPM, the MegaShot 2800 PSI is capable of cleaning driveways, patios, fences and more. Its lightweight and compact design makes it easy to move around, while its axial cam pump ensures consistent performance.

PowerShot 4400 PSI Gas Pressure Washer
For commercial-grade cleaning power, look no further than the PowerShot 4400 PSI pressure washer. Equipped with a Honda GX270 engine and a high-quality pump, this beast of a machine can handle the most demanding cleaning tasks.

This pressure washer boasts a massive 4400 PSI pressure rating and a flow rate of 4.0 GPM, making it suitable for commercial use. The PowerShot 4400 PSI also features a welded steel frame for superior durability, and a professional spray gun with five quick-connect nozzles to cater to a variety of cleaning tasks.

Clean Machine 3400 PSI Gas Pressure Washer
The Clean Machine 3400 PSI pressure washer is another excellent option for homeowners. Powered by a Simpson OHV engine, this machine delivers a great balance of power and ease of use.

With a pressure rating of 3400 PSI and a flow rate of 2.5 GPM, it's more than capable of tackling heavy-duty cleaning tasks. This model also features a compact design for easy storage, an axial cam pump for consistent performance, and 10-inch pneumatic tires for smooth maneuverability.

3600 PSI 2.5 GPM GX200 Gas Pressure Washer
Lastly, the 3600 PSI 2.5 GPM GX200 pressure washer offers excellent performance and durability. Driven by a Honda GX200 engine, this pressure washer is designed to handle tough cleaning tasks with ease.

Boasting a pressure rating of 3600 PSI and a flow rate of 2.5 GPM, this machine is capable of handling a variety of outdoor cleaning projects. Its triplex pump ensures consistent pressure, while its welded steel frame provides excellent durability. Furthermore, it features a professional-grade spray gun with five quick-connect nozzles, offering versatility in cleaning different surfaces.

Choosing a Simpson pressure washer ultimately depends on your specific cleaning needs and budget. Whether you're a homeowner looking to spruce up your outdoor space, or a professional needing a heavy-duty machine for commercial projects, Simpson offers a range of pressure washers to meet your needs.

WHAT TO KNOW BEFORE YOU BUY A SIMPSON PRESSURE WASHER

Types of pressure washers
Simpson offers a variety of pressure washers, with each one designed for a different level of use. Some of the most common types include light-duty, medium-duty, and heavy-duty pressure washers. There are also commercial-grade machines for those who require high-performance equipment for tougher jobs.

  • Light-duty: Light-duty pressure washers are best suited for smaller tasks, such as cleaning outdoor furniture, grills and small decks. They typically deliver a pressure output of up to 2000 PSI, making them ideal for homeowners who need a compact and easy-to-maneuver washer.
  • Medium-duty: Medium-duty pressure washers offer more power, typically up to 2800 PSI, and can handle larger tasks like cleaning decks, fences and siding. These machines are popular among homeowners who frequently undertake outdoor cleaning tasks.
  • Heavy-duty: If you have larger areas to clean or stubborn grime, a heavy-duty pressure washer that delivers up to 3300 PSI is the way to go. These are designed for more demanding tasks like cleaning driveways, stripping paint and removing deep-seated dirt and grime.
  • Commercial-grade: For the toughest cleaning tasks, you might need a commercial-grade pressure washer. These machines, delivering 3300 PSI and up, are usually used by professionals in industries like construction and agriculture. They're designed to handle frequent use and deliver the highest cleaning power.

Choosing the right pressure washer

  • Consider your cleaning tasks: The type and size of the cleaning tasks you undertake will largely determine the type of pressure washer you need. Light-duty models are good for small, infrequent tasks, while medium- and heavy-duty models are needed for larger, more frequent cleaning jobs. For professional cleaning tasks, a commercial-grade machine is recommended.
  • Evaluate the surface: Different surfaces require different pressure levels to avoid damage. Delicate surfaces such as vehicle exteriors or windows may only withstand light-duty pressure, while tougher surfaces like concrete driveways can handle heavy-duty pressure.
  • Consider portability: Pressure washers can be heavy. Consider a model with wheels if you need to move it around your property. Lighter models may be sufficient if you only need to carry them short distances.

WHAT TO LOOK FOR WHEN BUYING A SIMPSON PRESSURE WASHER

Power source

  • Gas-powered: These pressure washers are known for their high power output and mobility. They don't require a power cord, so they can be used anywhere, and they're generally more powerful than electric models.
  • Electric-powered: Electric pressure washers are less powerful than gas models, but they're also quieter, lighter, and easier to maintain. They're perfect for small, delicate tasks where high power isn't necessary. However, their range is limited by the length of the power cord.
     

Pressure and flow rate
Pressure is measured in pounds per square inch and determines the cleaning power of the pressure washer. A higher PSI means the machine can clean more stubborn dirt and stains. The flow rate, measured in gallons per minute, or GPM, indicates how quickly the washer can rinse away the dirt and grime. Higher GPM means quicker cleaning.

Nozzles and attachments
Different cleaning tasks require different water angles and pressure. Look for a pressure washer that comes with multiple nozzles or an adjustable nozzle to cater to different cleaning tasks. Some Simpson pressure washers also come with additional attachments like surface cleaners and soap applicators for more versatility.

Durability
Look for a pressure washer with a robust frame and high-quality components. Simpson pressure washers are known for their durable steel frames and high-quality engines and pumps, which promise long-lasting performance.

Ease of use
Consider factors like the length of the hose, the design of the handle and wheels, and the ease of starting the machine. All these will contribute to a better user experience.

Warranty
Finally, always check the warranty. Simpson pressure washers usually come with a warranty for the frame, engine and pump, providing you with peace of mind about your investment.