Skip to Content

Best 8 Gpm Pressure Washer (2024 Update)

If you're looking for the best 8 GPM pressure washer, you may want to consider some important factors before making a purchase. Power, portability, and durability are essential elements that you don't want to overlook. The most powerful pressure washers often weigh more, and you may not need that much power for your projects. If you're looking for a portable washer, you'll want to make sure it's easy to move around and store. Durability is important because pressure washers are often used in tough environments and can take a beating.

Before you decide to invest, you should think about how you will use the pressure washer. Do you need a gas or electric-powered device? Are you looking for more advanced functions such as adjustable pressure and spray patterns? What types of surfaces do you plan to clean, and how often will you use the pressure washer? Answering these questions will help you choose the best 8 GPM pressure washer for your specific needs.

If you're looking to save time and make cleaning faster and easier, a powerful pressure washer is an excellent investment. However, the market is saturated with many different brands and models to choose from, so it's essential to take the time to research what's available. In this article, we will explore the features and benefits of some of the most popular products, so you can make an informed decision when purchasing the best 8 GPM pressure washer.

10 Best 8 Gpm Pressure Washer

# Product Image Product Name Product Notes Check Price
1
It is ideal for injecting chemical detergent soap into the water stream of a pressure washer to clean various surfaces.
2
Ideal for efficiently cleaning large concrete surfaces such as driveways, sidewalks and patios with a commercial pressure washer.
3
It is ideal for injecting detergent into a pressure washer stream for effective cleaning of surfaces.
4
Ideal for powerful and efficient cleaning of cars, fences, driveways, homes, patios and outdoor furniture.
5
Ideal for heavy-duty cleaning tasks with high pressure and volume output, powered by a reliable Honda engine.
6
This product is ideal for cleaning flat surfaces such as driveways, sidewalks, decks, patios, and curbs with a pressure washer.
7
Ideal for filtering water inlet with 8.0 GPM and 1/2 MPT x 3/4 FGH connection.
8
Ideal for cleaning driveways and sidewalks with high pressure and dual rotating handles for efficient cleaning.
9
Ideal for cleaning large outdoor surfaces such as driveways, patios, decks, and sidewalks with high pressure and flow rate.
10
This product is ideal for high-pressure cleaning tasks with a maximum PSI of 4500 and inlet size of 3/8".
It is ideal for injecting chemical detergent soap into the water stream of a pressure washer to clean various surfaces.
Ideal for efficiently cleaning large concrete surfaces such as driveways, sidewalks and patios with a commercial pressure washer.
It is ideal for injecting detergent into a pressure washer stream for effective cleaning of surfaces.
Ideal for powerful and efficient cleaning of cars, fences, driveways, homes, patios and outdoor furniture.
Ideal for heavy-duty cleaning tasks with high pressure and volume output, powered by a reliable Honda engine.
This product is ideal for cleaning flat surfaces such as driveways, sidewalks, decks, patios, and curbs with a pressure washer.
Ideal for filtering water inlet with 8.0 GPM and 1/2 MPT x 3/4 FGH connection.
Ideal for cleaning driveways and sidewalks with high pressure and dual rotating handles for efficient cleaning.
Ideal for cleaning large outdoor surfaces such as driveways, patios, decks, and sidewalks with high pressure and flow rate.
This product is ideal for high-pressure cleaning tasks with a maximum PSI of 4500 and inlet size of 3/8".

1. Chem-Tech Injector: Streamline Your Cleaning Process

This product requires minor assembly upon delivery, which can be easily accomplished following the provided instructions. The direction of the flow has been clearly marked on the injector, ensuring that it can be installed correctly.

This product has undergone rigorous quality control measures, and has been awarded the prestigious ISO 9000 certification. This guarantees that the manufacturing process adheres to strict standards, ensuring consistent quality and reliability for the end user.

For added peace of mind, this product comes with a 6 month warranty. In the unlikely event of any issues, the user can simply contact the manufacturer for a hassle-free resolution.

2. Bocom Dual Handle Surface Cleaner Scrubber Attachment

This surface cleaner is a top-of-the-line product that boasts high efficiency and quality design. It features an integrated rotary rod with 3 powerful spray nozzles that provide efficient cleaning, making it perfect for commercial-level cleaning of large areas up to 24 inches wide.

One of the standout features of this surface cleaner is its unique design that allows it to stand independently, making it easy to pause during use. It also features an angle-adjustable dual-handle with a trigger gun, ensuring enhanced control and convenient storage.

The surface cleaner is crafted from high-quality stainless steel, including the universal castors, housing, handle, and brush skirt. This provides superior durability and longevity compared to other products that use cheaper iron parts.

The surface cleaner is compatible with gas/electric pressure washers from 2,000 PSI 1.8 GPM up to 4,000 PSI 8 GPM, making it suitable for a variety of cleaning applications. It is perfect for tackling stubborn stains on large surfaces like driveways, patios, decks, sidewalks, and garage floors.

The package includes 2 adapters for connection to 3/8" quick connector and M22-14 mm & M22-15 mm female fitting hoses, providing good compatibility with a wide range of pressure washers. Additionally, the package comes with an optional 1/4" adapter set for quick connection, nozzle cleaner, 3 nozzle replacements, teflon tape, and a manual, making it easy to use right out of the box.

3. General Pump 2.3mm Pressure Washer Detergent Injector #100776

Introducing the Fixed Chemical Injector, a must-have for any professional cleaner or home owner looking to achieve a deep clean with ease and efficiency. This high draw injector is designed to provide a chemical draw of up to 20%, making it perfect for use with a variety of cleaning solutions.

With a flow rate of 5 to 8 gallons per minute, this injector is capable of tackling even the toughest cleaning jobs. Its 3/8" male inlet and outlet ensure a secure and reliable connection, while its maximum pressure rating of 4500 PSI and maximum temperature rating of 190 degrees Fahrenheit make it suitable for use in a variety of applications.

Crafted from high-quality materials and built to last, this Fixed Chemical Injector is a reliable and cost-effective solution for your cleaning needs. So why wait? Upgrade your cleaning arsenal today and experience the power and performance of the Fixed Chemical Injector.

4. Westinghouse Powerclean 3400: Ultimate Pressure Washer

Introducing the heavy-duty gas-powered Westinghouse pressure washer, designed to deliver powerful and deep cleaning water pressure for a variety of cleaning tasks. With a maximum pressure of 3400 PSI and a flow rate of 2.6 GPM, this pressure washer is perfect for cleaning decks, sidewalks, siding, fences, railings, garage floors, exterior walls, cars, and patio furniture.

This pressure washer comes with a 25-foot abrasion-resistant super-flex hose, a lightweight high-pressure spray gun, and 5 quick connect nozzles (0°, 15°, 25°, 40° & Soap), making it compatible with a wide range of pressure washer accessories such as surface cleaners, undercarriage cleaners, and foam cannons with M22 fittings.

The Westinghouse pressure washer is powered by a heavy-duty gas-powered 212cc 4-stroke Westinghouse OHV horizontal shaft engine with recoil start. The maintenance-free axial cam pump provides a flow rate of 2.6 gallons of water (and soap) per minute.

The pressure washer is built with tough steel frame construction and features 12" high profile, never-flat wheels, providing easy transportation and maneuverability. The easy-to-fill 1-gallon gas tank and half-gallon onboard soap tank ensure that you can clean for longer without the need for constant refilling.

All Westinghouse pressure washers are functionally tested in the factory and may contain minimum residual oil and/or fuel odor. The pressure washer is CARB compliant, ensuring that it meets the highest environmental standards. This Westinghouse pressure washer is backed by a 3-year limited manufacturer service, labor, and parts coverage, giving you peace of mind when you purchase this product.

5. Powershot 4200psi Gas Pressure Washer – Top Performer

The PowerShot power washer is an exceptional tool for professional cleaning purposes. With an easy-to-assemble and easy-to-start Honda GX390 premium engine, it is a great choice for contractors who specialize in deck cleaning, wood restoration, paint preparation, and all other professional services.

The AAA industrial triplex plunger pump is powerful, reliable, and maintenance-free. It delivers a maximum of 4200 PSI at 4.0 GPM and includes thermal relief to prevent overheating. This feature ensures that the pump has a long lifespan and can handle intense cleaning tasks without any issues.

The welded steel frame construction with a powder-coated finish offers durability and corrosion resistance. The 13-inch premium pneumatic tires provide ease of maneuverability across various terrains and uneven ground. This makes it easy to transport the power washer to different job sites.

The PowerShot power washer comes with quality Simpson accessories that include a Monster 3/8-inch x 50-foot high-pressure hose with quick-connect fittings and a polyurethane outer jacket. The hose is both kink and abrasion-resistant. It also comes with five quick-connect nozzle tips, including 0°, 15°, 25°, 40°, and soap. The ergonomic spray gun and 31-inch steel wand/lance make cleaning tasks more comfortable and efficient.

It is important to note that the PowerShot power washer is 49-state compliant and does not ship to California. To avoid spillage, keep the maximum fuel level 1/2 inch below the bottom of the filler neck. All pressure washers are 100% functionally tested in the factory and may contain minimum residual fuel/oil or fuel odor.

6. Mighty Clean 20" Surface Washer With Wheels

The MEKOH surface cleaner for pressure washer is an exceptional cleaning tool that offers superior professional cleaning performance. It features two high-pressure water jets that provide non-marking cleaning, making it a better option than striping and irregular cleaning. The two large spinning nozzles, coupled with higher working power and water flow, make it easier and faster to clean stubborn stains, mold, and dirt. Additionally, the surface cleaner attachment has changeable nozzles that allow you to switch between power washing and soft washing patterns.

The power washer surface cleaner is an excellent choice for those looking to save time on large surface cleaning tasks. With a 20" large size, it covers a broader cleaning area than nozzles, and the two high-speed spinning nozzles are eight times faster than other surface cleaners, significantly reducing your cleaning time and effort. Furthermore, this high-pressure power washer attachment will significantly increase water use efficiency, saving more water for your house and reducing your bill.

Despite its lightweight design, the MEKOH surface cleaner is strong enough to handle even the most powerful water pressure. It uses environmentally friendly PP material, solid brass, and fully sealed bearings. The upgraded bearing prevents leaking and blocking, keeping you dry and safe. The heavy-duty construction design has great heat and chemical resistance and can handle cold water, hot water, and even soap water.

Operating the 20-inch pressure washer surface cleaner is easy. It has two handles and four universal wheels, making it easy to hold by two angle-adjustable handles, more effortless than one-handed operation. With four casters, you can push this attachment back and forth without any impediment and enjoy its smoothly gliding. Additionally, the wheels keep the nozzles at a fixed height to protect the spray nozzles and your floors.

This surface cleaner accessory is perfect for all kinds of floors, including concrete, wood, tile, and brick, protecting them well during power washing. Its flexibility allows it to clean driveways, sidewalks, curbs, decks, patios, garages, and more. It is compatible with most electric or gas pressure washers above 2000psi&2gpm, making it ideal for residential and commercial use.

7. Be Pressure Washer 85.300.054 Max 8.0 Gpm Water Inlet Filter 1/2 Mpt X 3/4 Fgh

Introducing the Easy View Inlet Water Filter, the latest addition to your plumbing system that ensures clean and pure water supply. This filter boasts an impressive outlet of 1/2-" MPT, which guarantees maximum efficiency and compatibility with a wide range of plumbing systems.

The Easy View Inlet Water Filter is designed to handle high pressures of up to 160 psi, which makes it perfect for use in commercial and residential settings. You can rest easy knowing that your water supply is safe and free from impurities, thanks to the filter's ability to process up to 8.0 gallons per minute with ease.

This filter is incredibly easy to install and maintain, with its 3/4-inch female GH inlet fitting seamlessly integrating into your existing plumbing system. Its compact size and sturdy construction ensure that it can withstand the rigors of daily use without losing its effectiveness.

The Easy View Inlet Water Filter also features a transparent housing that allows you to monitor the filter's condition and easily identify when it needs cleaning or replacing. This added convenience saves you time and money in the long run, as you can now change the filter only when necessary.

8. Max Clean Pressure Washer Surface Cleaner

Introducing the Premium 20" Surface Cleaner, a powerful and durable tool for efficient cleaning of horizontal surfaces. With a maximum working pressure of 4000PSI at 8.5GPM and a minimum working pressure of 800PSI at 2GPM, this surface cleaner is suitable for both home and commercial use. It is important to note that the high-pressure washer equipment connected to the surface cleaner should not be less than 1000PSI for optimal performance.

Equipped with 2 high-speed rotating jets, this flat surface cleaner produces water-intensive pressure at a 25-degree angle for a complete and fast cleaning effect. The bottom of the cleaner features a thick circle of stiff bristles to prevent high-pressure water from splashing and staining clothes.

Constructed from solid 304 stainless steel material, the surface washer is waterproof and non-deformed, ensuring a long service life. It also features an adjustable handle height and angle, making it suitable for use at different heights. The cleaner moves smoothly on its 4 universal castors, making it effortless to operate.

The labor-saving trigger gun on the pressure washer floor scrubber allows for easy connection to a hose with a 3/8'' connector (NOT INCLUDED). Two adapters of 1/4'' quick connectors are also included for optional use, providing great connector compatibility.

This surface cleaner is ideal for cleaning various horizontal surfaces, including decks, patios, sidewalks, driveways, and pool decks. It is important to note that if there are large rocks in the area being cleaned, they should be removed before using the equipment to avoid damage to the water outlet.

9. Northstar Pressure Washer Surface Cleaner – 32in. Dia. 5000 Psi, 8 Gpm

This product is a must-have for anyone who needs a reliable and durable pressure washer that can tackle tough cleaning tasks with ease. With its dual swivel caster and 15in. wheels that feature stainless steel bearings, this pressure washer is both easy to maneuver and built to last. The wheels make it easy to move the pressure washer from one location to another, while the stainless steel bearings ensure a smooth and reliable operation.

One of the standout features of this pressure washer is its high-pressure gun inlet filter, which helps prevent debris from clogging the nozzles. This is especially important when using the pressure washer for extended periods of time, as clogged nozzles can cause a loss of pressure and reduce the effectiveness of the cleaning power. With this filter in place, users can be assured that their pressure washer will continue to work at its best, even in the toughest conditions.

The durable stainless steel construction of this pressure washer is another key feature that sets it apart from other models on the market. Stainless steel is known for its strength and resilience, making it an ideal material for a pressure washer that will be used in a variety of settings and conditions. This construction ensures that the pressure washer will stand up to the rigors of heavy use and provide reliable and consistent performance.

In addition to its robust construction and powerful features, this pressure washer also comes with two replacement nozzles and an extra spray wand, providing users with added flexibility and convenience. Whether you are tackling tough outdoor cleaning tasks or need a reliable pressure washer for commercial use, this product is sure to meet your needs and exceed your expectations. So why wait? Invest in this top-quality pressure washer today and experience the power and performance that only a high-quality product can deliver!

10. Annovi Reverberi Rear Entry High-Pressure Gun

The MV925 spray gun is the ultimate tool for those who take their cleaning seriously. Built for production, this spray gun can handle a maximum of 4,500 PSI, 8 GPM, and can withstand temperatures up to 320℉.

The functionality of the MV925 is unmatched. The contoured handle is designed to fit perfectly in your hand, providing ultimate comfort and usability. You can now clean for hours without experiencing any fatigue or discomfort.

Safety is always a top priority, and the MV925 has got you covered. The safety locking mechanism fitted on the back of the trigger ensures peace of mind when you are away. This mechanism prohibits the action of your trigger gun and the flow of your pressure washer, preventing any accidents from happening.

The MV925 is built with an inlet of 3/8” female and an outlet of 1/4” female connection, making it compatible with a wide range of pressure washers. Plus, it is made in Italy, ensuring its exceptional quality and durability.

Whether you are a beginner or an intermediate cleaner, the MV925 is perfect for you. Its exceptional performance, functionality, and safety features make it the ultimate tool for any cleaning task. Get your hands on the MV925 spray gun and experience the difference it can make in your cleaning routine.

Best 8 Gpm Pressure Washer FAQs

Are there any safety precautions I should take when using an 8 GPM pressure washer?

Yes, there are several safety precautions you should take when using an 8 GPM pressure washer.

Firstly, it is important to wear protective gear such as safety glasses, gloves, and non-slip shoes to protect yourself from any potential hazards.

Secondly, never point the pressure washer at anyone or any animal as the high-pressure water stream can cause serious injury.

Thirdly, always ensure that the pressure washer is securely placed on a stable surface and that the nozzle is properly attached before turning it on.

Fourthly, be careful when using the pressure washer around electrical sources, as water and electricity can be a dangerous combination.

Lastly, never use a pressure washer to clean a surface that is not rated for high-pressure cleaning, as this could cause damage to the surface or even lead to injury.

By following these safety precautions, you can ensure that you use your 8 GPM pressure washer safely and effectively.

Can an 8 GPM pressure washer be used for commercial or industrial cleaning?

An 8 GPM (gallons per minute) pressure washer may not be the best choice for commercial or industrial cleaning as it may not have the necessary power or capacity to handle heavy-duty tasks. Commercial and industrial cleaning often requires high-pressure and high-volume equipment that can handle larger and tougher surfaces and materials.

However, an 8 GPM pressure washer can be suitable for certain commercial or industrial cleaning tasks such as cleaning small equipment or vehicles, or for use in smaller commercial spaces. It is important to assess the specific cleaning needs and determine the appropriate pressure washer size and power for the task at hand.

If heavier duty cleaning is required, it may be more effective to invest in a larger and more powerful pressure washer with a higher GPM rate, as this will ensure that the cleaning job is done efficiently and effectively.

How does the price of an 8 GPM pressure washer compare to other models?

The price of an 8 GPM (gallons per minute) pressure washer can vary depending on the brand, features, and quality. Generally, an 8 GPM pressure washer is considered a high-flow model and is more expensive than lower GPM models. However, when compared to other high-flow models, an 8 GPM pressure washer may be relatively affordable.

It's important to note that price should not be the only factor when choosing a pressure washer. Other important considerations include the intended use, durability, ease of use, and maintenance requirements. It's recommended to do research on different brands and models, read reviews from other users, and compare prices before making a purchase.

Additionally, some retailers may offer discounts or promotions on pressure washers, so it's worth checking for deals before making a purchase. Ultimately, it's important to choose a pressure washer that meets your needs and budget while also providing the necessary power and performance for your cleaning tasks.

How much water does an 8 GPM pressure washer use per minute?

An 8 GPM (Gallons Per Minute) pressure washer uses approximately 8 gallons of water per minute. The amount of water used by a pressure washer depends on its flow rate, which is measured in GPM. The higher the flow rate, the more water the pressure washer uses. Therefore, an 8 GPM pressure washer will use more water than a 6 GPM pressure washer, but less water than a 10 GPM pressure washer. It is important to be mindful of water usage when operating a pressure washer, as excessive water usage can lead to wastage and higher water bills. Additionally, some areas may have water restrictions in place, so it is important to check local regulations before using a pressure washer.

How powerful is an 8 GPM pressure washer compared to other models?

An 8 GPM (gallons per minute) pressure washer is considered a high-powered model in terms of water flow rate. It is capable of generating a strong and consistent stream of water that is ideal for heavy-duty cleaning tasks such as removing tough stains, dirt, and grime from surfaces. Compared to other models, an 8 GPM pressure washer is generally more powerful than lower GPM models, such as those in the 2-4 GPM range, which are better suited for lighter cleaning tasks. However, it may not be as powerful as extremely high-end models that have a water flow rate of 10 GPM or more. Ultimately, the power of a pressure washer depends on a variety of factors, including its PSI (pounds per square inch) rating, its water flow rate, and the type of nozzle being used. It's important to choose a pressure washer that is appropriate for the task at hand to ensure effective and safe cleaning.

What are the top-rated 8 GPM pressure washers on the market?

There are several top-rated 8 GPM pressure washers available in the market. One of the highly rated models is the NorthStar Gas Cold Water Pressure Washer, which is known for its powerful performance and durability. It has a reliable Honda GX390 engine, a brass pump head, and a maximum pressure of 4000 PSI, making it suitable for heavy-duty cleaning tasks.

Another popular option is the Easy-Kleen Professional 4000 PSI (Diesel – Hot Water) Pressure Washer. This pressure washer has a diesel-powered burner that heats the water up to 250°F, making it ideal for tackling tough cleaning jobs. Its high-quality triplex plunger pump delivers a maximum flow rate of 8 GPM, and it comes with various nozzles for versatile cleaning options.

The Shark 8000 PSI (Gas – Hot Water) Pressure Washer is another excellent choice for those who need a high-powered cleaning machine. It has a powerful Vanguard engine and a high-efficiency schedule 80 heating coil that heats the water up to 200°F. With a maximum pressure of 8000 PSI and a flow rate of 8 GPM, it can easily clean large surfaces and stubborn stains.

Other top-rated 8 GPM pressure washers include the Simpson PowerShot 8000 PSI (Gas – Hot Water) Pressure Washer, the BE Pressure P4013HJBS 4000 PSI (Gas – Cold Water) Pressure Washer, and the Mi-T-M HSP-3504-3MGH 3500 PSI (Gas – Hot Water) Pressure Washer.

What features should I look for in an 8 GPM pressure washer?

When looking for an 8 GPM pressure washer, there are a few key features that you should consider. Here are some of the most important ones:

1. Engine power: The engine is what drives the pump that creates the water pressure. Look for a pressure washer with a powerful engine that can handle the demands of an 8 GPM flow rate.

2. Pump type: There are two main types of pumps – axial and triplex. Triplex pumps are generally more durable and efficient, so consider a pressure washer with a triplex pump if you plan to use it frequently.

3. Hose length and material: The longer the hose, the more flexibility you'll have when using the pressure washer. Look for a hose made of durable materials like steel or braided rubber.

4. Nozzle variety: Different nozzles provide different spray patterns and pressures. Look for a pressure washer that comes with a variety of nozzles so you can customize your cleaning approach.

5. Mobility: If you plan to move your pressure washer around frequently, look for one with large, sturdy wheels and a comfortable handle.

Overall, the features you should look for in an 8 GPM pressure washer will depend on your specific needs and use case. However, the above features are a good starting point to consider when making a purchase decision.

What kind of cleaning tasks is an 8 GPM pressure washer best suited for?

An 8 GPM (gallons per minute) pressure washer is a powerful machine that is ideal for handling tough cleaning tasks. This type of pressure washer is best suited for cleaning large areas that require high pressure and high water flow rates.

Some of the cleaning tasks that an 8 GPM pressure washer is best suited for include cleaning large commercial or industrial buildings, removing graffiti from walls, cleaning large vehicles such as buses or trucks, and cleaning construction sites. This type of pressure washer is also useful for removing stubborn stains, dirt, and grime from surfaces such as concrete, brick, and stone.

It is important to note that an 8 GPM pressure washer is a very powerful machine and should only be used by experienced operators who are familiar with its capabilities. When using this type of pressure washer, it is important to follow all safety precautions and wear appropriate protective gear to avoid injury.

What kind of pump is best for an 8 GPM pressure washer?

For an 8 GPM (Gallons Per Minute) pressure washer, the best pump option would be a triplex plunger pump. Triplex plunger pumps are known for their durability and ability to handle high-pressure water flow rates. They also have three plungers that rotate and create a smooth flow of water, which is ideal for applications such as cleaning large surfaces or removing tough stains.

Another option for an 8 GPM pressure washer is a belt-driven axial cam pump. These pumps are efficient and can provide high pressure, but they may not be as durable as triplex plunger pumps.

Ultimately, the best pump for your pressure washer will depend on your specific needs and budget. It's important to research and compare different pump options before making a decision.

Which brand makes the best 8 GPM pressure washer?

There are several brands that make excellent 8 GPM pressure washers, but it ultimately depends on your specific needs and preferences. Some brands that are known for their high-quality pressure washers include Kranzle, Simpson, and Shark. Kranzle is a German brand that is known for its durable and efficient pressure washers, while Simpson is an American brand that offers a range of powerful and versatile pressure washers. Shark is another American brand that is known for its high-performance pressure washers that are designed for commercial and industrial use.

When choosing a pressure washer, it's important to consider factors such as the type of cleaning you will be doing, the size of the area to be cleaned, and the power source of the pressure washer. It's also important to look for features such as adjustable pressure settings, easy maneuverability, and a durable construction. By taking these factors into account, you can find the best 8 GPM pressure washer for your specific needs.