Generac SpeedWash 7122 Pressure Washer Review

Generac SpeedWash 7122 Pressure Washer Review [2020 Guide]

Generac SpeedWash 7122 is an ingenuine and powerful washing system. The design of the machine is such that it can give a deep and complete washing of whatever you like. While it does a lot of better washing and deep cleaning, it contrariwise took less time to finish the job, since the built-in complete cleaning system. The cleaning system includes many innovative parts and attachments in it, like the turbo nozzle, soap blaster, and power broom.

About Generac SpeedWash 7122

Generac SpeedWash 7122 engine is the best unit as it has the best in-house components of Generac. This machine gives the best cleaning performance as you power it by a Generac OHV engine at 196cc. You have to power the engine manually with choke or primer.

The design of the horizontal shaft and pull start are standard for optimal pressure washing. This machine includes a 3.2qt fuel tank and a 16oz oil tank. It works with the 10W-30/SAE 30 oil. You can adjust the pressure easily because of the Power Dial ergonomic spray gun.

Generac SpeedWash 7122 Specifications 

  • It has a Generac 196 cc OHV high-powered engine that provides the maximum power, and its starting type is manual/recoil.
  • It is a gas-powered machine designed to clean stubborn dirt and stains.
  • It includes a 30-feet high-pressure flex hose that is kink resistant and non-marring.
  • It also includes a 4-quick change nozzle that is 0-degree, 25-degree, 40-degree, and soap.
  • It has three attachments included with it a turbo nozzle, soap blaster and a power broom.
  • It also includes a power dial ergonomic spray gun.
  • The machine weight, including all the dimensions, is about 62 lbs. and its dimensions are 24.2 x 18.9 x 35.5 inches.

Generac SpeedWash 7122 Features

Clean Smarter and Faster

The built-in-technologies in Generac 7122 helps you clean your products and places more efficiently and smartly. The included attachments in the product also reduce the time taken in cleaning and thus provides a 50% faster cleaning than other power washer systems.

Powerful engine

The Generac 7122 has a powerful engine, the pump of the machine has a PSI of 3200, with GSM rating at 2.7 and an engine of 196cc.

3200 PSI Pressure

This machine gives a water pressure of 3200 PSI at a flow of 2.7 GPM. This machine includes 30 feet high-pressure flex hose and four quick-change nozzle tips. The four nozzle tips are 0 Degree, 25 Degree, 40 Degree, and soap.

This machine provides quick work, especially because of the power broom attachment. At much higher PSI and water flow, the Generac machine creates a blizzard of marshmallow with the use of the same soap and same cannon. You don’t have to worry about electrical wires too. The machine is super convenient for you.

Long usage time

The machine has several applications, but the capability of a machine to run straight for several hours and a long period greatly defines its reliability and quality. Thus, this Generac 7122 is worth it; it can run for several hours straight without it having to rest. So you can run it for about 7-9 hours straight and won’t feel a thing.

Several Attachments

Another good feature of Generac 7122 is the number of attachments it comes with. It has about 3 – 5 most important attachments that are the turbo nozzle, soap blaster, power broom, and onboard detergent tank.

Turbo nozzle

The turbo nozzle provides the ability to the system to increase its pressure to several PSI. Since the turbo nozzle consists of a high-pressure nozzle and hence the pressure is thus increased. It provides a faster way of cleaning, even for stubborn dirt. Magnetically, it increases the cleaning to 4 times than that done by the standard nozzle. Hence, it is one of the most beneficial features that it is worth buying.

Soap blaster

Another great attachment is a soap blaster. Many times, while cleaning, there is a problem that the soap does not spread equally, quickly, and efficiently in every way. This problem is greatly reduced by the Generac’s efficient soap blast. It spread soap three times faster than standard ones.

Power Broom

The power broom provides another efficient attachment for cleaning stubborn dirt particles. It has various uses as well.

User-Friendly Controls

The operation of the machine is quite easy as well since all the control buttons are on a single location. Hence, it greatly helps in having the right coordination with everything. The on/off button, the choke, and the fuel shutoff valve are placed near to each other. Moreover, the broom, the spray, and soap blaster are very easy to operate. Therefore, there is no need for specific skills in operating the machine.

Easy Maneuverability and transport

The Generac 7122 has never-flat wheels that make it easy for it to transport from one location to another or to move it up and down the stairs. The wheels have such a design that can make it easy for the operators to carry it anywhere they want without doing any kind of rigorous effort. Furthermore, it has easy Maneuverability, since due to the reason that the engine and the pump are perfectly balanced on the axle, which makes the movement of the machine very easy.

Quick Change Nozzle tips

There are 4 quick-change nozzle tips on the machine, which reduces much of the important taken time otherwise. The 4-included nozzles are of 0, 25,40, and the last one is the soap nozzle.

High-Pressure flex hose

The hose that comes with the machine is also one of the most advanced features of this machine. It is extremely flexible and can get into anywhere. Furthermore, the hose’s material is very admirable too. It is mostly kink resistant. The outer look of the hose is also very persevering. Hence, a non-marring quality of the hose. The size of the hose that the machine comes with is almost about 30-feet, and you can modify it with other hoses of greater length.

The material of Axial Cam pumps

The axial cam pumps of the Generac 7122 is of the brass head, which efficiently increases the durability of the pump. The axial cam pumps have a life expectancy of almost two times that made form aluminum.

Power Dial ergonomic spray gun

The power Dial ergonomic spray gun helps you to easily change the pressure of the pump so that it can be used for several applications. Hence, depending on the type of application, the pump pressure can be easily adjusted. The pressure needed to be adjusted for some of the major tasks is car, wood, concrete, and soap.

Capability & Reliability

Each attachment has its functionality and purpose and hence greatly increases the capability and reliability of the system. The turbo nozzle is thus attached to provide a 4x faster cleaning than standard nozzles since due to the reason that high-pressure nozzle is attached to it. Likewise, the high-pressure nozzle or the turbo nozzle thus helps in removing stubborn dirt and grime off surfaces very well and 30% faster than standard nozzles as it has a rotating pinpoint stream with the turbo nozzle.

The soap blaster attachment sprays almost 3x farther than a standard nozzle tip to increase cleaning and to remove tough stains that are otherwise very difficult to penetrate and remove. Similarly, the power broom plays its part in efficiently wash off surfaces and to provide complete washing and cleaning.


This machine has several cleaning and washing applications. You can use it to wash your car, your pathways, patio furniture, wood furniture, concrete build things, etc. It can remove stubborn dirt particles and grim quite easily and efficiently.

Pros & Cons

  • It is portable and easy to transport to any location.
  • It is easy to maneuver and move.
  • The operation is quite easy since you will find most of the controls nearby, and the power settings are present on the wand.
  • It is quite easy to start.
  • The material used to make this machine is quite reliable and can thus increase the life expectancy of this product to several years.
  • The most important benefit of this product is that there are a lot of attachments included in it and hence can increase the quality of cleaning and reduce the time taken to do the job.
  • It is not as powerful as other models with the same PSI.
  • Many parts made of plastic like the wand holster are fragile and not secure properly.
  • The hose is only 30-feet, which is quite short compared to the applications it has used.
  • The chemical suction pump is not good at all.
  • The location and placement are also not good since it could get burned out by being proximity to the hot engine.

Frequently Asked Questions 

What is the Generac 7122 hose connection size?

The size of the Generac 7122 hose connection is ¼” and is about 30-feet long with an M22 connector.

How much does the Generac 7122 weigh?

It weighs about 65-70 pounds, and its dimensions are 24.2 x 18.9 x 35.5 inches.

Does it idle down when the spraying gun is not in use? 

No, it does not idle down when the spray gun is not spraying water.

How many nozzle tips are there in it, and what type are they?

There are about four nozzle tips included in the package that are 0 25, 40, and a soap nozzle. It can be used for cars, wood, concrete and soap respectively.

After what duration you should change the oil of the engine?

You should change the engine oil after about 5 hours of operation.

What is the horse-power of the machine’s engine, it’s GSM, and what power source does it use for operation?

The Generac 7122 has a 196 cc OHV high powered engine, the GSM of the unit is 2.7, and the pump pressure rate is about 3200 PSI. The machine is a gas-powered system. The design of the machine is for providing a complete and efficient way of doing simple, rigorous cleaning.

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