A pressure washer is a handy tool with plenty of uses. From clearing out gutters and cleaning walls to stripping old paint, pressure washers have so much versatility. Pressure washers come in models suitable for residential or commercial use.
Residential pressure washers are an excellent choice for helping you with your cleaning duties around the home, and they’ll leave your car in showroom condition after a wash. Most residential pressure washers offer PSI (Pounds per Square Inch) ratings of between 1,200 to 2,400-psi.
These machines don’t have the strength to handle heavy-duty cleaning jobs and running them for extended period results in damage to the washer.
For heavy-duty work, you’ll require the services of a professional pressure washer suitable for commercial use. These machines are far different from the models ideal for home use. A 4,000-psi pressure washer delivers some serious power, and using it to wash your car might end up with your denting the bodywork or lifting the paint.
A commercial-grade pressure washer suits tasks such as lifting stubborn oil stains from garage shop floors or stripping old paint from walls before you add a fresh coat.
In this review, we’ll look at the best 4,000-psi pressure washers, and make recommendations on the top models. If you’re a contractor or landscaper, then this review will help you choose the right machine to complement your tools.
Our Top Picks
Those readers that don’t have the time to go through all of the models in this review can rely on our top picks. We selected the three best 4,000-psi pressure washers and ranked them.
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
- Top Pick: Simpson Cleaning ALH4240
The Simpson ALH4240 is a powerful machine featuring a GX390 engine for high working pressures when cleaning. The unit comes with a long, flexible discharge hose, a robust frame, and wheels for portability. This model offers you the best balance between price and performance, earning it the top spot in this review. - Premium Pick: Simpson Gas Pressure Washer
If you’re looking for a premium buy, then this model has everything you need. This professional pressure washer has an adjustable pressure regulator lets you customize your cleaning, and it’s also suitable for use with cleaning detergents. - Budget Pick: PowRyte Electric Pressure Washer with Hose Reel
If your looking for a Budget pick then this is the model for you. The PowRyte comes with a hose reel, foam cannon and 4 different pressure tips.
4,000-psi Pressure Washer Reviews
Here’s our full rundown of the best options on the market right now.
Simpson Cleaning ALH4240
Landscapers, contractors, and handymen looking for the best high-pressure washer at an affordable price, will love the Simpson ALH4204. This model wins our award for the best 4,000-psi pressure washer available. If you’re looking for a machine that can do any cleaning, then this model is your top choice.
The Simpson ALH4020 is a gas-powered model producing powerful jets of water at pressures of up to 4,200-psi. The machine offers excellent user control during use, and it’s powerful washing action strips away oil, grease, and dirt from any surface.
- Professional Performance: Easy-to-assemble and easy-to-start with its HONDA GX390 engine commercial series engine, the Aluminum Series power washer is great for contractors who specialize in deck cleaning, wood restoration, and all professional services
- Power and Durability: A powerful, reliable, maintenance-free CAT Industrial triplex plunger pump delivers 4200 PSI at 4.0 GPM and includes thermal relief to prevent overheating
- Sturdy and Portable: The aircraft grade aluminum platform with brushed extruded aluminum tubing offers durability and corrosion resistance; 10-inch premium pneumatic tires deliver ease of maneuverability across various terrain and uneven ground
- Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink- and abrasion-resistant; 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and Soap; 16-inch steel wand/lance; Professional spray gun with safety lock-out
- Important Notes: 49-State Compliant; Keep max fuel level 1/2 Inch below bottom of filler neck to avoid spillage; Pump/Hose Connection: Threaded M22 connection
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
The Simpson ALH4020 gets its power from a robust GX390 Honda engine that provides exceptional fuel efficiency, allowing long run times between fills. This model suits contractors, landscapers, and handymen that are looking for a machine they can use every day without paying a hefty price tag or skimping on quality.
The powerful engine and gas tank sit on an aircraft-grade frame made from aluminum tubing. The frame offers the user stability during use, as well as easy portability around job sites. The frame also acts as a bumper. It protects the engine and other parts from damage in the event of a collision.
With the Simpson ALH4020, you get a 50-foot hose that makes it easy to reach any gutter or roof. The long hose is a bonus, as many other machines don’t offer lengths over 25-feet.
The frame sits on top of two 13-inch air-filled tires, allowing you to pull the machine over bumps and stones without the wheels jamming.
This high-pressure washer has plenty of power and suits the most demanding job sites. The machine offers a high-pressure output that’s ideal for industrial use. With an affordable price tag and excellent build quality, this high-pressure washer is our top choice in this review.
- Powerful performance from the GX390 motor
- Flexible hose with long length
- Wheels for portability
- Strong and durable frame
- Features 5-interchangeable spray nozzles
- Fast cleaning with a high-velocity water jet
- Not suitable for residential use
- Noisy
PowRyte Electric Pressure Washer
With deep roots in the power tool industry, Powryte continues to satisfy the customers over the decade. With the power and effectiveness that can be exceeded by no one, Powryte electric pressure washers are the best choice for all your domestic pressure washing needs.
This pressure washer comes with a hose reel that can generates up to 4000 psi of water pressure and 2.6 GPM of water flow. It comes with a N-COR pump which is durable, non-corrosive and maintenance-free. With this model you also get up to 2 years warranty.
- 💦[Outstanding Performance] The pressure washer with hose reel generates up to 4000 PSI of water pressure and 2.6 GPM of water flow. N-COR pump is durable, non-corrosive and maintenance-free. 2 year warranty.
- 💦[Snow Foam Lance] Directly sprays foam. Cleansers don't pass the pump for longer pump's life so you can use chemicals like bleach, vingar and etc. Thicker and dense foam stays on the surface longer for better cleaning performance.
- 💦[4 Universal Tips] The 0° tip delivers super high pressure for dissolving stubborn substances on hard surface. The 15° tip delivers high pressure for concrete and bric with hard surface. The 25° tip delivers medium pressure for wood decks, viynl sidings with soft surface. The 40° tip provides low pressure for windows and screens with fragile surfaces.
- 💦[Effortless Assembling] Assembled in minutes for easy to use.
- 💦[Suck] Sucks water from container if without any water tap. Garden hose connector size 3/4 inch
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
The PowRyte comes with a 4 universal tips. The 0° tip delivers super high pressure for dissolving stubborn substances on hard surface. The 15° tip delivers high pressure for concrete and brick with hard surface. The 25° tip delivers medium pressure for wood decks, vinyl sidings with soft surface. The 40° tip provides low pressure for windows and screens with fragile surfaces.
It also comes with a foam cannon which directly sprays foam onto any surface. Cleansers don’t pass the pump for longer pump’s life so you can use chemicals like bleach, vinegar and etc. Thicker and dense foam stays on the surface longer for better cleaning performance.
This model is the inexpensive high-pressure washer in this review. However, if you need a machine that will never let you down, this model is your top choice in this review.
- Easy to assemble
- Budget friendly
- Snow foam attachment
- 4 pressure tips
- Not suitable for commercial use
Simpson Gas Pressure Washer
If you’re looking for the best high-pressure washer on a budget, then you need to take a look at the Simpson Gas Pressure Washer. This model wins our award for the best budget high-pressure washer available.
This high-quality machine features a 420cc engine for its power plant. The engine has plenty of power, but it’s much lighter than the Honda GX390, which is a popular choice in other models.
- Professional Performance: Easy-to-assemble and easy-to-start with its CRX 420cc premium engine, the PowerShot power washer is great for contractors who specialize in deck cleaning, wood restoration, paint preparation, and all other professional services
- Power and Durability: A powerful, reliable, maintenance-free AAA industrial triplex plunger pump delivers 4400 PSI at 4.0 GPM and includes thermal relief to prevent overheating; PowerBoost Technology delivering higher pressure at the nozzle
- Sturdy and Portable: The welded steel frame construction with powder coated finish offers durability and corrosion resistance; 13-inch premium pneumatic tires deliver ease of maneuverability across various terrain and uneven ground
- Includes Quality Simpson Accessories: Monster 3/8-inch x 50-foot high-pressure hose is kink and abrasion resistant hose with quick connect fittings and polyurethane outer jacket; 5 Quick connect nozzle tips: 0°, 15°, 25°, 40° and Soap; Ergonomic spray gun 31-inch steel wand/lance
- Important Notes: 49-State Compliant; Keep max fuel level 1/2 Inch below bottom of filler neck to avoid spillage
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
The washer motor and tank come mounted on a frame connected to air-filled tires that make it easy to move this model between job sites over any type of terrain. We like that this machine is compatible with detergents, making it an excellent choice for power cleaning.
The Simpson gas pressure washer operates at pressures of up to 4,400-psi, which is more than enough power for the toughest cleaning jobs.
The Simpson Gas Pressure Washer is a great all-round pressure washer. We like the adjustable pressure regulator that lets you scale down the pressure if you want to do residential work with the machine, such as wash your car.
- Excellent price point
- Powerful engine
- Suitable for use with cleaning agents
- Comes with a 50-foot hose
- A robust frame and durable tires
- Doesn’t come with any additional spray nozzles
Generac 6565 Pressure Washer
The Generac 6565 pressure washer is a top-quality machine designed with powerful cleaning in mind. The 420-cc OHV motor provides pressures of up to 4,200-psi, making it a top contender for the best high-pressure washer.
You also get a 50-foot hose included in the package, making it easy to reach any gutter or roof. This model also features a triplex pump to increase operating pressures, providing plenty of power in your cleaning tasks.
- Pro-Grade Triplex Pump - Up to 4X longer life than axial cam pumps
- Powerful 420cc Generac OHV Engine - Delivers maximum cleaning performance and reliability
- Low-Oil Shutdown Sensor - Safeguards the engine
- Five Quick Click Nozzle Tips Included - 0 degree, 15 degree, 25 degree, 40 degree and soap
- Oversized Pneumatic Tires - Maximum mobility and shock absorption
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
The machine sits on a sturdy, robust frame mounted on air-filled tires for easy movement. The frame also protects against any bumps or knocks.
This compact unit provides landscapers, handymen, and contractors with a portable machine that’s easy to transport around job sites. Toss it in the back of your truck and take it anywhere you need to go.
- Powerful engine and pressure pump
- Powerful pump and engine
- Comes with plenty of safety features
- 50-foot high-pressure hose included
- Compact design allows for easy storage
- Not suitable for residential use
- Noisy
Simpson Cleaning PS4240 PowerShot
Simpson Cleaning gets a second mention in this review for the PowerShot model. This model uses the same GX390cc Honda motor as the previous model in this review, giving the machine plenty of power. The engine produces pressures of up to 4,200-psi, producing water jets that can take care of the toughest grime and grease on any surface.
The pressure washer sits on top of a welded steel frame, providing the machine with protection while making it portable.
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
You get a built-in Triplex pump for operation at very high pressures, without the fear of blowing seals on the machine.
We like the spray-gun type hose that comes with this model. The hose features an ergonomic grip that provides the user with total control during use.
Overall, the Simpson PowerShot is a more refined version of the ALH4020. This machine is an excellent choice for those contractors, landscapers, and handymen looking for a good entry-level machine that will last.
- Welded steel frame for durability
- Triplex plunger pump design
- The ergonomic hose acts like a spray gun
- compatible with all quick-connect nozzles
- 13-inch air-filled tires
- Not suitable for home use
- Noisy
- Somewhat expensive
Champion 100386 Gas Pressure Washer
The Champion 100386 features a 389cc, single-cylinder OHV engine that produces pressures of up to 4,200-psi. Featuring an Annovi Reverberi triplex pump, this machine is suitable for heavy-duty use in the most demanding working conditions for contractors, landscapers, and handymen.
We like the spray hose that acts like a spray gun, giving you more control over the water when cleaning. The ergonomic trigger reduces operator fatigue while improving your aim.
- POWERFUL: 3500 PSI with 2.5 GPM powered by a Champion 224cc engine
- VERSATILE: Quick-connect gun, wand and five nozzles, a 50-foot commercial-grade steel braid reinforced, rubber high-pressure hose with Quick Connects plus a detergent hose for the detergent tank
- HASSLE-FREE: Ergonomic comfort grip trigger gun reduces fatigue, plus onboard storage for the high-pressure hose, included hose storage strap, trigger gun and spray wand
- QUALITY: AR Commercial-Grade Triplex Brass Head pump provides the power you need along with a forged brass manifold, providing corrosion resistance
- CHAMPION SUPPORT: Includes 2-year limited warranty with FREE lifetime technical support from dedicated experts
Last update on 2024-10-21 / Affiliate links / Images from Amazon Product Advertising API
The machine comes mounted on a frame with air-filled tires for easy transport, with user controls mounted on the handle for user-friendly operation.
We like the compact design of this machine. However, dynamite comes in small packages, and this machine is no different. Expect a powerful cleaning action that’s easy to control on any surface.
- 50-foot high-pressure hose included
- The hose acts like a spray gun
- 4-foot hose for detergent
- Triplex pump for excellent performance
- Powerful 389cc motor
- Not suitable for residential use
- Noisy
Pressure Washer Buyer’s Guide
When selecting the best heavy-duty equipment, it’s always a good idea to research your choice before making your purchase. Industrial machines cost a pretty penny, and if you select the wrong model, it could be a costly mistake.
In this buyer’s guide, we’ll unpack everything you need to know about industrial pressure washers. We’ll look at the components of a good machine, and give you everything you need to know to make an informed purchase decision.
Engine Size
Many landscapers and contractors make the mistake of seeing cleaning power and pressure ratings as interchangeable terms. However, the reality is that they are very different units of measure.
All industrial pressure washers come with gas-powered motors. These engines provide the high-pressures needed during operation. There are different capacity motors available, but most come in versions offering up to 15-hp.
The engine determines the amount of pressure the machine produces, and a high-pressure washer requires plenty of power for challenging jobs like stripping old paint from exterior walls.
Design
Industrial pressure washers come in various designs. When selecting your machine, look for a model offering an excellent balance during operation. Some washers also feature vibration-damping to minimize the vibration of the machine while in use.
Your pressure washer should feature a robust frame, telescopic handle, and inflatable tires for easy movement around the job site. Design is an important feature of the machine, and premium models manage to reduce the overall weight of the washer, while still retaining all of the power.
Spray Nozzles
The cleaning power of the machine comes from the motor. However, the nozzles are the critical component that harnesses this energy, producing the spray. Without the right nozzles, you can’t control all of the power from the machine, resulting in inefficient and ineffective cleaning.
A high-pressure cleaner that features a small nozzle produces a small water jet. That’s great for concentrating on one dirty area, but it’s terrible for wide coverage. Wide nozzles operating at lower pressures cover a wide area but lack the power needed for effective cleaning.
Your washer should include a range of pressure nozzles or compatibility with leading interchangeable nozzle brands.
Spray Hose
Most residential pressure sprayers come with a spray gun as part of the package. The pressure hose connects to the spray gun, providing the user with total control over the machine.
However, industrial pressure washers often don’t come with a spray gun. Instead, they feature a spray hose that acts like a spray gun. Some models feature ergonomic grips on the hopes for a user-friendly experience.
Some pray hoses do allow for the attachment of a spray gun. If a spray gun is an essential accessory for you, make sure its included with your model before you buy.
Spray hoses can vary in length from manufacturer to manufacturer. We suggest you choose a model that has a minimum hose length of 20-feet. A long hose allows you to work without dragging the machine along with you.
Gas Tank
Since high-pressure washers are industrial machines, they require the use of a gas-powered motor. The gas tank limits the run time of the machine between fills.
If you’re a contractor working on large job sites, and you need to carry the machine around, make sure you choose a model with a large gas tank for extended run time.
Frame
The frame of your pressure sprayer is the backbone of the machine. The frame holds the motor and gas tank, so it needs to carry a decent amount of weight. We recommend choosing a model that offers you a durable and robust frame that corrosion-resistant.
Some manufacturers offer aircraft-grade frames made from lightweight materials. These machines are easy to maneuver, and they provide a long service life.
If you choose a mild steel frame over a stainless steel version, make sure the frame has a protective powder coating to prevent rust from showing up if it gets wet. We recommend alloy frames – they’re lightweight, reliable, and durable.
The frame holds the entire assembly together, allowing you to move the machine around the job site. Therefore, it’s vital that you emphasize finding a lightweight frame if you intend to move the machine around.
Wheels
Your industrial pressure sprayer comes attached to a frame. Most brands include a set of air-filled tires mounted to the frame for easy movement. Air-filled tires help you move the machine around on job sites, traversing any obstacles in your way with ease.
Avoid models that have plastic wheels as they will catch on gravel and lock up. Plastic wheels suit residential models that don’t need to maneuver around the job site. However, contractors and landscapers will benefit from the air-filled tires on professional models.
Safety Features
Industrial pressure washers work at high pressures, and that can be dangerous for the user. As a result, you need to ensure that your pressure washer comes with safety features to protect you when things go wrong.
Your pressure washer should include an engine kill-switch that prevents it from overheating. This switch breaks the circuit when it senses that the engine temperature is too high, preventing the motor from seizing.
A low-oil sensor can also provide you with protection from the engine overheating. Select a model that comes with built-in safety features, or you might regret it later.
Accessories
Before you settle on your preferred high-pressure washer, check the listing for the accessories included with the kit. Some machines come with a spray gun and other handy accessories like replacement parts.
Handle
The handle of the machine is important if you want to carry it around job sites. Choose a model with a telescopic handle for easy reach and movement. Some models don’t include a handle, so if portability is a requirement for you, make sure you choose one that has a handle.
Weight
The weight of the machine is another factor to consider when selecting your ideal high-pressure washer. The heaviest part is the engine, and its cast-steel construction will account for 60% of the machine’s weight.
You also need to consider the size of the gas tank as well. When it’s empty, the tank is light, but you’ll need to take into account the weight of the gas when fully fueled.
Contractors and landscapers that rely on a portable machine should check the weight before they make their purchase.
User-Friendly Operation
First-time users of high-pressure washers should focus on selecting a model that offers user-friendly operation and functionality. Newbies to these machines might find them challenging to operate. The last thing you want is an experienced user handling these machines. The amount of pressure produced can lead to severe injury if things go wrong. It’s important to note that your pressure washer is essentially a water cannon, and hitting another person with the water jet when spraying, can cause a severe injury.
If you let the pressure build inside the machine to unsustainable levels, then there’s a chance it could explode, or it could blow all of the seals in the washer.
If this is your first high-pressure washer, then choose a model with less power and more features. A lower-powered machine will be easier for first-timers to handle, making it easy to manage. Entry-level washers are the best choice for newbies.
High-pressure washers with stronger motors have more features, but newbies night not require them.
Some machines come with one hose that does everything, while others come with special detergent hoses for cleaning. The complexity of the high-pressure washer is a concern for new users, and they’ll do better with selecting a simple model that offers basic functionality.
Portability
Some high-pressure washers, such as those suitable for car washes, don’t move around the workshop. They remain in a fixed position and have water hoses that connect to the machine.
Some individuals may require a high-pressure washer suitable for moving around job sites. If that’s the case, then it’s best to look at a model that comes with a frame and wheels for smooth movement.
Pressure Washer FAQs
If you’re still on the fence with choosing the best high-pressure washer for your needs, then hopefully, you’ll find the answers you need in these frequently asked questions.
What’s the difference between a high-pressure washer and a residential pressure washer?
Pressure washers that have ratings of 3,000-psi or over during operation are professional machines that fall into the category of “high-pressure” washers.
What kind of tasks suit a 4,000-psi pressure washer?
High-pressure washers can help with a variety of contracting and landscaping tasks. Use them to clean tough dirt, grime, and oil off of surfaces, or strip old paint from walls and floors.
Can I wash my car with one of these models?
Some models offer adjustable pressure, making them suitable for cleaning your car. some models also come with nozzles specifically designed for washing cars. However, your standard high-pressure washer is too powerful for this task. Washing your vehicle with one of these machines could dent the body panels, or lift the paintwork.
What kind of accessories do I need for my pressure washer?
A spray gun is a good choice if your machine doesn’t have one already. You can also select after-market nozzles specific to various cleaning functions.
Where can I buy a 4,000-psi pressure washer?
We recommend you buy your high-pressure washer from an online dealer like Amazon. Online dealers have a wide range, and they handle customer service better than the manufacturer.
Do I need to service my high-pressure washer?
Yes, the motor on your pressure washer operates similarly to your car. If you never service your car, you can expect catastrophic engine failure to occur in the future – it’s the same for the engine on your pressure washer.
Service your machine every 6-months to a year, depending on how much you use it. Take the pressure washer to a reputable dealer licensed to work on the model.
Conclusion
By now, you should have a good idea of which high-pressure sprayer meets your needs. However, if you’re still on the fence with your decision, why not rely on your top choices in this review?
We feel that the Simpson Cleaning ALH4240 offers you everything you need in a 4,000-psi pressure washer. This machine is a great choice for newbies around this equipment, and the value for money is exceptional.
If you’re an experienced user, then check out the Pressure Pro E4040HC Heavy Duty machine. This high-pressure washer comes with all the bells and whistles to make the most demanding jobs a breeze to finish.
Those individuals looking for the best value model for their money will do well with the Briggs & Stratton Gas Pressure Washer. This machine has everything you need in a high-pressure washer, at an affordable price.
