Commercial pressure washers are designed to make light work of heavy-duty jobs. In a commercial setting, where time is money, a high performance gas power washer can finish tasks much faster than their residential grade counterparts.
For a power washer to truly be a valuable asset to your business, however, cleaning power alone isn’t enough. There are a number of other factors—like reliability, maneuverability, and durability—that you should look for in your next commercial power washer purchase.
The mechanical components, particularly the engine and the pump, will need to be higher quality than the average residential pressure washer, since your pressure washer will no doubt be used for longer hours and more often than a residential model. Commercial power washers are also designed to be lugged around rough terrain, so they require a more rugged build than models designed for the home.
That’s why it’s important to research the best commercial pressure washers. In order to determine which of today’s best selling power options are best suited for your business, we compared the reviews, specifications, and critical evaluations so that you can quickly decide which one is right for you.
These our favorite commercial washers on the market today:
Best Commercial Pressure Washers for Sale Today
1. Simpson PS4240-S PowerShot
Our top pick belongs to the extremely popular Simpson brand of gas-powered pressure washers. The PowerShot line is a favorite among critics, homeowners, and professionals alike.
The PS4240-S is no exception. Capable of producing 4,2000 PSI at 4.0 GPM, the PS4240-S has the cleaning power to tackle tough commercial jobs. But the true strength of this one lies in the quality of its mechanical components.
The PS4240-S commercial pressure washer features the powerful Honda GX390 OHV commercial series motor, and a AAA industrial triplex plunger pump with ceramic pistons. Both the motor and the pump are designed to deliver high performance for a long time.
It also features a highly durable—yet maneuverable—construction. The frame is welded steel, and the unit can be easily moved around on pneumatic tires. The hose is wrapped in a steel-braided covering with steel connectors.
The spray wand is another high-quality feature, and comes with 5 different spray tips to adjust the intensity and breadth of the spray.
The greatest strength of this power washer lays beneath the hood. Owners praise the high-quality pump and engine of the PS4240-S, which most reviewers agree starts easily, runs smooth, and delivers consistent and powerful performance. They said that it was much more durable and reliable than older models they had used. Plus, they said it was so powerful that they could write their name in pavement!
The engine is particularly beloved by reviewers, the majority of whom say it starts on the first or second pull. Honda engines are becoming a standard in commercial powered pressure washers because they start quickly, run smooth and last for a long time.
Many reviewers and critics also admired the exterior construction of this power washer. The steel frame and rugged tires make this one easy to move around but tough enough for the most extreme job site conditions. We found that many industrial workers, tradesmen, and technicians used this model for cleaning heavy machinery. They said that the pneumatic tires and the impressive volume of water dispensed made it an invaluable tool for taking to the site.
Perhaps the most prominent complaint was regarding the hose that comes with this unit. Though many users stated they had little trouble with this feature, a few said that the hose split and burst on them. Others stated that they felt the hose was too short.
One solution to avoid this problem—but still enjoy the strengths of the pressure washer—is to purchase a higher-quality and longer hose alongside the unit.
The Simpson PowerShot line lives up to its solid reputation in this high-power, high-performance pressure washer. The PS4240-S is our favorite commercial model of pressure washer available right now. With a solid 4 star rating on Amazon out of hundreds of reviews, it seems we aren’t alone.
2. Generac 6565
The Generac is another model that caught our attention. Though it has fewer reviews than our top pick, it maintains a high rating among the customers and critics who have also taken notice of this great pressure washer.
Priced at a few hundred dollars less than our top pick, this is also a good option for people looking to save a bit of money upfront. According to fans of the Generac 6595, the lower price doesn’t necessarily mean lower quality.
Like the Simpson pressure washer, this Generac model delivers 4,200 PSI at 4.0 GPM. Unlike most other heavy-duty pressure washers on the market today, Generac uses their own brand of engines for their units.
Their powerful 420cc Generac OHV engine features a low-oil shutdown feature, which saves the engine in the event oil runs out. The 6595 also features a professional grade Triplex pump, which Generac claims “lasts up to 4X longer life than axial cam pumps.”
The durable build is also suited for tough environments and rough terrain. Oversized pneumatic tires help make this power washer more maneuverable.
As the lowest-priced pressure washer on this list, the Generac 6595 has a lot to offer for a great value.
One really great feature that is unique to Generac pressure washers is that the water pressure can be adjusted with a turn of a dial. If you’re looking for a machine to tackle a wider variety of jobs—some that may require lower power—this will be a very convenient feature. Previous buyers said it’s one of the most versatile machines they use. They found that they were using it for tasks which previously couldn’t handle the high setting on a single-mode model.
The Generac motor seems to convince the skeptics. Though they may not be as popular and widely used as the Honda motors, it seems they offer comparable performance for a lower price. Previous buyers said that while they had their doubts at first, the engine started reliably and smoothly. They said that, at most, they occasionally needed to give it a second pull. Aside from that, it ran problem-free!
According to experts, the triplex pump is the best type of pump for a commercial pressure washer of this size. The vast majority of customers spoke highly of this pump, indicating that it does indeed live up to Generac’s claims.
The negative reviews of this model were mostly customers unhappy with damaged packaging. This seems to be an issue with specific shipping companies, however, and not the unit itself.
The best insight actually came from positive reviewers who were very pleased with the unit overall, but took minor issue with design elements. A handful found starting the engine inconvenient, as users are forced to hold down the trigger and pull the cord at the same time.
The unit is also larger and taller than our top pick, and some users found it cumbersome to move around for extended periods of time. Generac engines are also a bit louder than Honda’s, and do not run quite as smooth.
Though a significantly lower number of reviews kept the Generac 6595 out of the top spot, it seems that the vast majority of owners are very happy with their purchase.
With a powerful engine, high-quality pump, and solid construction, this model has the right stuff to tackle tough jobs in the workplace. At a lower cost than any other pressure on this list, the 6595 is also a terrific value.
3. PressurePro E4040HC Professional
The PressurePro commercial pressure washer is the most pricey out of the bunch. But with the E4040HC Professional, you get what you pay for.
Though it hasn’t been reviewed extensively on Amazon, this pressure washer is among the most highly praised by critics and professionals online. Of the handful of reviews on Amazon, all gave this machine a perfect 5 stars.
Like our other two pressure washers, this model offers 4,200 PSI at 4.0 GPM. (Understand PSI and GPM more)The engine behind the Professional is the powerful 13 Horsepower GX390 Honda Engine. The E4040HC also features one of the best regarded pumps among experts, the CAT Brand Triplex Plunger.
The hose for this unit is reinforced with steel and measures a whopping 50 feet in length. The spray wand and gun come with 5 different quick connect nozzles.
The E4040HC also has a singularly sturdy and compact frame made of “aircraft grade aluminum,” according to PressurePro. The pneumatic tires feature dual padded shock absorbing feet—perfect for any terrain.
There’s a whole lot of good behind this powerful little pressure washer. Reviews are unanimously glowing among experts, professionals, and amatuer users.
Performance is the category where the E4040HC truly shines. With a powerful, reliable, and relatively quiet Honda engine and an equally powerful pump, it’s hard to imagine any job this machine couldn’t handle. It is, as many reviewers say, a Cadillac among pressure washers. We found that lots of previous buyers put it to work in industrial situations, like around ranches or busy machine shops. They said that their businesses depend on having a reliable tool, and the Honda ticked that box completely. Many said that it was among the best power tools they’d ever used!
PressurePro hasn’t skimped on any components—each piece of the machine, from the hose to the tires, is high-quality. Unlike the other two pressure washers on this list, there were zero complaints about shipping, customer service, or breakage on the hose.
The primary downside of the PressurePro E4040 is the price tag. There are many commercial power washers you could find with equal PSI and GPM for half the cost—though you could hardly expect the same quality and performance.
The only other complaint that we could find with this unit was relatively minor. Unfortunately, this unit doesn’t come with any place to hang or wind up the long hose.
If you have the budget for it, it will be hard to find a better model of pressure washer than the PressurePro E4040. Almost universally, every reviewer of this pressure washer rates this unit as well worth the price.
Which Commercial Pressure Washer is Right for You?
Each one of these high-powered machines will be well-suited for long, heavy-duty work. The right pressure washer for you among these choices will largely depend on your budget, and which particular mechanical components seem most attractive to you.
Our favorite combination of price and performance is the Simpson PS4240-S PowerShot. This pressure washer has been reviewed hundreds of times on the Internet, and the vast majority of owners say that this model is a solid buy that performs well where it counts.
The Generac 6565 is another highly regarded and highly rated pressure washer designed for commercial use. It also has the advantage of having the lowest price of any model on this list. If you’re not looking to spend an arm and a leg, or simply would rather invest less in your next power washer, this is a great model to consider as well.
If you have the budget for it, however, the PressurePro E4040 is another power washer that is worth a look. The engine and pump of the machine are among the best in its class, and the high-quality build is sure to last for years to come.
Don’t need quite the same amount of power for your home or small business? Check out our Best Gas Pressure Washers for our medium-duty power washer reviews. Or, if you’re just looking for a small, portable and inexpensive model of pressure washer, consider our Best Electric Pressure Washers. Read more on the best pressure washers here!