Best Gas Pressure Washer

The SIMPSON Cleaning MSH3125-S Gas Pressure Washer is our best gas pressure washer and this one is powered up by a very powerful Honda GC 190 engine to make cleaning easier. This Honda-powered cleaning pressure washer that is gas powered is very reliable in its build. With a great pressure level of up to 3,100 PSI, it is a true beauty as an effective and reliable best pressure washer. This gas pressure washer is able to spray up to 2.5 gallons per minute of water for extremely powerful water flow for residential or commercial usage.

Our step-up pick is the Generac 6602 OneWash Gas Pressure Washer and it has a tremendous amount of pressure at a maximum of 3,100 PSI for an effective cleaning experience. It has a unique Power Dial feature which is a four-in-one mechanism and it can make water flow as much as 2.8 gallons per minute for an effective wash. Controlling the pressure is a breeze because of its power dial variable pressure control feature which can be used to control the intensity of the water spray so you can work on various surfaces in one go. It comes with a 0-degree nozzle, a 25-degree nozzle as well as a soap nozzle.

The budget pick is the Karcher G 2700-PSI Gas Pressure Washer and it uses a Karchaer KPS engine at 196cc that is of high performance and of high quality. It is able to produce up to 2,700 PSI of pressure as an effective gas pressure washer for its high performance and this gas powered pressure washer can spray water as much as 2.5 gallons per minute due to its unbelievable and unprecedented flow rate for a budget pick. Compactly stored, it uses a folding handle for better space management. It comes with a detergent tank on board and an aluminum head backs up the axial cam pump for better longevity and durability without sacrificing weight.

A Little Background

Compared to an electric pressure washer, a gas pressure washer solely depends on gasoline to run instead of electricity so it is more for the tough jobs that do not rely on electricity. In fact most commercial use pressure washers are gasoline types so they get uninterrupted job on the site while cleaning and maintaining larger structures for a hard day’s work.

How We Picked

In choosing the best gas pressure washer, consider the following:
PSI – make sure the PSI is around 2,000 to 3,000 PSI or above because gas pressure washers are typically more powerful than regular electric ones.
GPM – the gallons per minute signifies the flow rate and this can affect the performance of the gas pressure washer.
Convenience – most gas pressure washers are also equipped with folding mechanisms, quick connect tips and other conveniences.

Our Pick

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SIMPSON Cleaning MSH3125-S Gas Pressure Washer

Our best gas pressure washer is the SIMPSON Cleaning MSH3125-S Gas Pressure Washer and this one is powered up by a very powerful Honda GC 190 engine to make cleaning easier. It comes with an axial cam pump that requires no maintenance as it is an OEM technology gasoline pressure washer pump to increase the overall performance of your pressure washer and there is also an option to include a safety cover for the gas pressure washer when not in use.
This gas pressure washer is able to spray up to 2.5 gallons per minute of water for extremely powerful water flow for residential or commercial usage. With a great pressure level of up to 3,100 PSI, it is a true beauty as an effective and reliable gas pressure washer. This Honda-powered cleaning pressure washer that is gas powered is very reliable in its build. It comes with standard M22 connectors for ease of use.
Flexibility is not a problem because of its versatile high pressure hose that is resistant to kinking and abrasion using MorFlex technology. The hose also spans at a total length of 25 feet with a diameter of 1/4 inch and the welded steel construction of the gas pressure washer adds to its durability as power equipment. The heavy gauge frame also adds to the stability of the gas pressured washer.
Pneumatic tires aid the gas pressure washer on its mobility at diameters of 10 inches each tire and the five nozzle included are from 0 degrees up to 40 degrees plus the soap nozzle, all of which are quick connect nozzle tips. The spray wand has a professional style of cleaning and design and there is also a safety lock out feature of the spray gun that has a professional and exquisite design. An accessory storage on the board is included for easy storage of the spray gun or wand, spray nozzles and high pressure hose. It is a great gas pressure washer for the DIY person.
It meets the standards of CARB and EPA when it comes to emissions and global impact and to prevent the system from overheating, there is a thermal relief system to protect the gas pressure pump. An oil bath lubrication system can save you from excessive maintenance. Mobility is added due to its pneumatic tires at 10 inches each. The engine load can be minimized using the efficient design of the axial cam pump. PowerBoost technology also helps increase the cleaning performance of the nozzle. Combustion chamber of the OHC engine is very compact and has an overhead design for the cam. Fuel consumption can be saved using the uniblock construction of the Honda engine. The engine is a 4-stroke 187cc type that is very easy to start and energy efficient. There is also a siphon tube for detergent application purposes and a limited residential warranty of 2 years is included for the Honda engine.

Flaws but Not Dealbrakers

The SIMPSON Cleaning MSH3125-S Gas Pressure Washer has a few flaws but they are not very much to break the deal and to eliminate it from our list. For example, some people complain that there are some pieces missing upon delivery, but this is a case-to-case basis.

Step-up Pick

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Generac 6602 OneWash Gas Pressure Washer

The Generac 6602 OneWash Gas Pressure Washer is our step-up pick and this gas pressure washer can make water flow as much as 2.8 gallons per minute for an effective wash. It has a unique Power Dial feature which is a four-in-one mechanism and it has a tremendous amount of pressure at a maximum of 3,100 PSI for an effective cleaning experience. You can also have the option to include a surface cleaner accessory and the inverted trigger is also relatively easy to pull so you can reduce strain and fatigue while using the power pressure washer.
Controlling the pressure is a breeze because of its power dial variable pressure control feature which can be used to control the intensity of the water spray so you can work on various surfaces in one go. The high pressure hose can be used effectively and it spans at a total length of 30 feet. Because all of the controls can be found in just one set of location in the control panel, you can use this unit without worrying about ease of use on controls.
The handle is very easy to use because of it comfortable grip on the go and the OHV engine is a 212cc type of engine with a high rating in its class of gas pressure washer engines. It comes with a 0-degree nozzle, a 25-degree nozzle as well as a soap nozzle, all of which is a set of quick change nozzle tips and can also work well with wood fences, concrete driveways and can be used with just about any kind of soap for power washing. The unit is also very easy to assemble and at 68 pounds, it is very fair as a gas powered pressure washer for its build and mobility.
You can also use it on patios, brick surfaces, rim cleaning, tire cleaning, cement surfaces and much more places around the housed due to its versatility and you can select from four different cleaning tasks on the power dial of the gas pressure washer. The wheels never run flat and each of them measure 11 inches in diameter and can be used on any kind of terrain and the spray gun has a cushion grip to reduce user fatigue during any operation.
The handle can be folded for an easy storing capability and the detergent tank includes has a capacity of 0.75 gallons and can be easily cleaned and removed when needed and can also be drained. The hose connections are not a problem due to its axial cam pump’s above ground position. Ideal for use on car wash, siding cleaning, deck cleaning, masonry and other activities of cleaning, a limited warranty of 2 years is given for this product.

Budget Pick

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Karcher G 2700-PSI Gas Pressure Washer

Our budget pick is the Karcher G 2700-PSI Gas Pressure Washer and this gas powered pressure washer can spray water as much as 2.5 gallons per minute due to its unbelievable and unprecedented flow rate for a budget pick. It is able to produce up to 2,700 PSI of pressure as an effective gas pressure washer for its high performance and it uses a Karchaer KPS engine at 196cc that is of high performance and of high quality. The frame has been made from high quality stainless steel and has been welded to perfection and overall quality.
The pneumatic tires measure 8 inches each and provide excellent mobility to the gas pressure washer and an aluminum head backs up the axial cam pump for better longevity and durability without sacrificing weight. It has a total of five different nozzle tips, from 0 degrees up to 45 degrees pulls a 65-degree for the detergent or soap and the storage footprint is significantly small due to the upright design of the quick connect nozzles.
It comes with a detergent tank on board. Compactly stored, it uses a folding handle for better space management. It can give you a quicker cleaning method and the frame is given a titanium finish for durability. The high pressure is made from high quality PVC material and spans at 25 feet in its length and the motor or pump has a vertical orientation for easy operation. The water inlet is made from zinc alloy and the water outlet or trigger gun is made from threaded M22 material.
The axial pump is made from sturdy aluminum material and is a direct drive type of pump and the handle is also foldable for convenience. The frame is also collapsible for easy storage and the engine oil included contains 20 fluid ounces and is a 10W30 type. A warranty of 3 years is given for the engine and 2 years for the pump.

Best PWMA Certified Gas Pressure Washer

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Powerstroke PS80519B 2200-psi Gas Pressure Washer

The Powerstroke PS80519B 2200-psi Gas Pressure Washer has a total of 2,200 PSI of pressure as an effective gas pressure washer for its build and its axial cam pump has a sturdy aluminum build in its design. The motor is at 140 cc and is very powerful due to the frame design that is very compact in its build and it has been certified and tested by PWMA as an effective gas pressure washer that is environmentally safe and friendly.
A storage compartment for the nozzle, for the wand, for the trigger gun and for the hose is on-board for convenience. The spray wand has been chrome plated for extra durability and measures 21 inches in its length. A quick connect nozzle coupler is included in the spray wand and the fan nozzles are at a high pressure and each with 25 degrees and 40 degrees types of nozzles. There is also a low pressure nozzle for soap or detergent and there are also Honda and Subaru motors available for the gas pressure washer as options. And at only 32 pounds, it is good in its weight as a gas pressure washer.
The high pressure hose has non-marring capabilities so it is entirely flexible with a diameter of 3/8 inch and a length of 25 feet. It can be used for car washing, furniture washing, deck cleaning, siding maintenance, outdoor cleaning activities, cleaning walkways, maintaining patios and many more and only requires very simple assembly that will not take too much of your time. It has a max flow rate of up to 2 gallons per minute and the wheels are very convenient and measure 7 inches each which provide good ground traction on any terrain. On a regular tank of gas, it can run typically from 1 to 2 hours of normal use. It is backed by a manufacturer’s warranty of 1 year (90 days for commercial use).

Best OHV Engine Gas Pressure Washer

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WEN PW31 3100-PSI Gas Pressure Washer

With the WEN PW31 3100-PSI Gas Pressure Washer, the wheels on this gas pressure washer measure 12 inches each and the motor is very powerful at 208 cc and is an OHV type 4-stroke engine for delivering the most powerful cleaning experience possible. The flow rate of this gas pressure washer can go as much as 2.5 gallons per minute for superior performance.
With a pressure rate of 3,100 PSI at maximum, you can ensure delivery of power without question for a gas powered pressure washer. The lifespan of this gas pressure washer is considered using the axial cam pump’s design for a more reliable spraying power and mechanism. It comes with standard nozzles, from 0 degrees up to 40 degrees plus a soap nozzle, all of which are nozzles with quick connect feature for easy setup and convenience. At 67 pounds, it is not bad on its weight for easy mobility.
You can use it for cleaning boats, RVs cars and for other cleaning applications. The reliable high pressure hose measures 30 feet in its length for a more effective application and the wheels of the gas pressure washer adds great mobility to the product and measure 12 inches each. The shaft engine uses a horizontal position and the oil that can be used for this gas pressure washer is a 10W30 type. It is also relatively easy to assemble and can easily start within seconds. A warranty of 2 years is given to this product.

Gas Pressure Washer with Flat Free Tires

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Ford FPWG3100H-J Gas Powered Pressure Washer

With the Ford FPWG3100H-J Gas Powered Pressure Washer, the engine used is an OHV type engine that runs at 7 HP with 212 cc for big projects and tough cleaning needs. The flow rate of 2.5 gallons per minute for this gas pressure washer is very good because it is significantly higher than most standard pressure washers out there. With pressure strength of 3,100 PSI at maximum power, it is very strong as a gas pressure washer in its build.
The dual reservoirs that have been integrated in the unit help you gain more water and effort savings in the long run and the high pressure hose that is braided measures 30 feet in its length. There is one onboard soap tank for your convenience. It also includes one soap nozzle and four other spray nozzles with quick connect feature and the handle folds down for convenience.
The tires will never go flat because of its unique design and each of them span at 10 inches in diameter and the high pressure pump axial cam has been equipped with a brass head for durability. Approved by CSA, EPA and CARB, you can assure that this gas powered pressure washer is environment friendly and energy conserving as a unit. The pressure hose is made from PVC material for flexibility and you can also have the option to connect it to a turbo nozzle. The trigger control has brass bearings for superior durability and quality and the hand truck frame has been given a powder coat finish.
Because the wheels are accommodating for all kinds of terrain, it can even be used going up and down the stairs. The dual chemical tank allows you to add two different detergents or chemicals. A warranty of 1 year against manufacturer defects has been given to this gas pressure washer for customer convenience and satisfaction.

Ideal Gas Pressure Washer with Easy Start

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PowerBoss 20649 Gas Powered Pressure Washer

The PowerBoss 20649 Gas Powered Pressure Washer can use up to 3,100 PSI of pressure for a thorough and effective cleaning experience. The gas pressure washer can blow as much as 2.7 gallons per minute on its flow rate and it is also equipped with an effective easy start technology. You can also choose various accessories along with the pressure washer as options, such as a surface cleaner, an extension wand, a turbo nozzle or a pump saver.
The unit uses a powerful Honda GC 190 OHC engine for its pressure power and there is an onboard detergent / chemical tank that have a total capacity of 1 gallon. It contains four spray nozzle tips from 0 to 40 degrees plus a soap nozzle with low pressure, all of which have a quick connect and pro-style design and the nozzles go along well with the steel material spray wand for a high quality build for the pressure washer. The wheels never run flat and measure 10 inches in diameter each.
The hose is so flexible and powerful at 25 feet of length for easy outdoor application. An excellent kind of equipment for the DIY person, the pressure regulator is also easily adjustable so that the pump pressure and your cleaning job can be easily matched right away. The hose has a diameter of 1/4 inch and is coated in PVC material. You can also use it for car washing and you can assemble it in less than 3 minutes or so.
The low effort starting of this gas pressure washer takes away the frustration of cleaning using the high pressure output given by the axial cam pump which does not require any kind of maintenance at all. A great gas powered pressure washer for residential use as well as small commercial use, a warranty of 90 days is given for commercial use and 2 years for limited residential and regular customer use.

Ideal Gas Pressure Washer with Belt Drive Mechanism

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EconoMax DB13 Gas Cold-Water Pressure Washer

The EconoMax DB13 Gas Cold-Water Pressure Washer has a maximum pressure setting of up to 3,500 PSI so it is very powerful as a gas pressure washer in the long run. The steel frame keeps durability in mind as it has been powder coated for a nice and long lasting finish. At 13 HP, the high quality motor can deliver as much as 4 gallons per minute of pressure flow rate of cold water as a pressure washer which uses belt drive mechanism.
The belt guard has been equipped with vents for cooling purposes. it comes with a braided hose which spans at a length of 50 feet for convenience and mobility and flexibility as well as adaptability to various projects and uses a Honda GX engine for reliability. It comes with a gun jet lance as well as some quick coupler connections for ease of use and it comes with 4 spray nozzles, all of which have quick couplers installed.
With a metal finish, this gas pressure washer is sure to last a lifetime with proper maintenance. A thermal relief valve ensures the safety of the unit from overheating. The pressure loader is also highly adjustable to your needs and the triplex pump is also equipped with a Comet brass manifold for durability. There is also an alert feature to inform you when the engine is low on oil so you can eliminate guesswork altogether. You can use it for concrete exteriors, parking lots, driveways, garages and much more and the belt guard is also ventilated for long lasting durability.
The belt drive pump is made from industry grade material that will last for a long time and the chemical injection also has an exit side feature. Also, the pneumatic tires back up the mobility of this gas pressure washer.

Best Honda Motor Gas Pressure Washer

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Cam Spray 3000-PSI Gas Pressure Washer

The Cam Spray 3000-PSI Gas Pressure Washer runs on a powerful Honda engine which runs at 11 HP for maximum performance and it uses cold water as a gas pressure washer. It has a total maximum capacity of 3,000 PSI for its pressure rate and its thermal relief valve is mechanical so it can protect your unit from overloading. The pressure can be easily adjusted to your will and to your preferences and needs.
It comes with a rack for the wand and the hose that goes along the powder coated steel frame for convenience and better organization and the valves are made from high quality stainless steel material for longer lasting durability. The plungers are made from ceramic material that go along with the triplex plunger pump of the gas pressure washer and the trigger gun is very effective in pressure washing. It is a cart mounted type of pressure washer that is gas powered.

Ideal Gas Pressure Washer with High Pressure

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Amazing Machinery Honda GX390 Pressure Washer

With a flow rate of up to 4 gallons per minute, the Amazing Machinery Honda GX390 Pressure Washer is truly a reliable gas pressure washer for bigger operations such as those for industrial usage. The hose reel can be easily mounted with the hose which measures 50 feet in its length and the gas pressure washer delivers unprecedented quality and strength of up to 4,000 PSI of pressure.
Its commercial grade motor as a reliable gas pressure washer is the Honda GX 390 which is very powerful and its pump is a viper direct drive type for extra performance as a gas pressure washer. Its aluminum frame is made from aircraft grade material for ensuring durability for the years to come. The quick connects are coupled with the gun and wand assembly for easier operation on the go.
It has a color coded nozzle for chemicals or detergents with a quick connect feature and it also has four other spray nozzles with a quick connect feature, all of which are color coded accordingly. The high pressure hose spans at a length of 50 feet and is also equipped with quick connects. An injector for chemicals also comes along with this gas pressure washer. The hose reel has been mounted just fine on the gas pressure washer. In fact, a warranty of 1 year is given for the frame and the wheels and a 3-month warranty is for the other parts.

The Competition

Other gas pressure washers did not have a powerful enough engine and safety features to include them in our list. It is important for a gas pressure washer to be powerful in its build and also compliant with international standards and deliver a good amount of water pressure and cleaning power overall.

Other Frequently Asked Questions

Q: What should I look for on a gas pressure washer?
A: According to Popular Mechanics , a gas pressure needs to have around 2,000 to 3,100 PSI of typical pressure for its gas engine for regular use on deck cleaning, boat cleaning, fences, sidings, patios, vehicles and the like. However, use 3,200 to 4,200 PSI for commercial grade needs such as paint removal, graffiti removal, maintaining fleet, cleaning trucks, construction cleaning and much more.

Q: What are the uses of a pressure washer?
A: According to Two Twenty One , use it for cleaning fences quickly. Sidings can be easily cleaned with a pressure washer. Driveways will also benefit from the quick cleaning power of a pressure washer. Patios, decks, cars, boats, furniture outside, motorcycles and much more are just some of the things you can clean up with a pressure washer.

Wrapping It Up

To wrap things up, the SIMPSON Cleaning MSH3125-S Gas Pressure Washer is our best gas pressure washer whether you want to use it commercially or for residential purposes in cleaning tough dirt and grime in any part of your house or compound.

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