Best Air Compressors For Impact Wrench

Having an air compressor around the home garage can be essential for those who work on their own cars and those who enjoy car repair as a hobby. An air compressor is also a must-have for those who work in the auto repair industry. Compressors are available in many different sizes, some with very small tanks that are lightweight and designed to be moved around as needed and large tanks that weigh hundreds of pounds and are designed to be used as stationary units in the shop or garage. 

Those who are in the business of repairing cars and use an impact wrench frequently throughout the day may need a larger unit that can easily power the wrench and any other tools without causing a slow down in work due to lag times or a need to refill the tank. 

When shopping for an air compressor for use with your impact wrench, it's important to read the specifications on the tool itself to see if there is a minimum PSI it needs to function correctly. You should also read reviews online from those who have purchased the compressor to be sure it can function as needed. The following are 7 of the best air compressors for use with an impact wrench.



This unit from DeWalt is a versatile compressor that can be easily moved around if needed. It is small, weighing only 32.2 pounds, and has a handle on the top for portability. The pancake style tank has a capacity of 6 gallons which should be sufficient for the home car repair hobbyist. 

It could also work for those who need a mobile impact unit that can be stored in a work vehicle. The motor in the compressor is high efficiency and is designed to start up even in the coldest weather. It offers a maximum PSI of 165 and provides 2.6 CFM at 90 PSI, allowing for longer run times with your tools and a quick recovery time. 

It comes equipped with a high flow regulator, two quick couplers and an oil free pump to make the unit easy to use with little to no maintenance. It has a low noise level at 75.5 decibels. The ball valve drain makes it easy to drain the tank as needed.





The PowerPro pancake style unit has a tank capacity of 5 gallon and can easily power am impact wrench for the hobbyist or those doing casual car repair. It may not be the best option for the professional garage setting as it doesn't offer enough power to last through an entire day of use.

The unit is lightweight and small and can easily be moved around and stored without requiring much space. It comes equipped with thermal overload protection to keep the unit from being damaged during use. It also has an oil lubricated pump designed to last throughout many hours of use. 

It has 3 feet on the bottom to offer stability while running and the pressure gauge panel is on the top of the unit to allow for constant monitoring. It has a 2 HP motor for plenty of power for most types of tools. 






The Ingersoll-Rand Garage Mate was essentially designed with the car repair professional in mind. The unit has a cast iron oil lubricated pump to offer reliability during long work hours. It has a pressure switch, pressure gauge, regulator, safety valve and also comes with a 6 foot power cord. It has a quiet operation and meets OSHA standards for safety. 

This unit is quite large and heavy, weighing 200 pounds. It's designed for those who need a high powered compressor with a large capacity for all day jobs in the garage. It would work well for a professional car repair facility but may be too much for the average person who works on cars in the home garage. 

It does have wheels and a handle on the top so that it can be rolled around the workplace as needed. It has a maximum PSI of 135 and provides 5.2 CFM at 90 PSI. The twenty gallon tank is the ideal capacity for powering impact wrenches, ratchets, drills and other tools.



This compressor has a 2 HP motor that can power most any type of tool in the garage, including the impact wrench. It comes with a manual drain and has an oil free pump that doesn't require maintenance. The motor is designed for low amp draw which allows it to work more efficiently. 

The unit functions quietly at 70 decibels, one of the quietest compressors available in its capacity and price range. It has a 10 gallon tank and comes with wheels and a handle to move it around the shop as needed. 

It weighs 82.5 pounds so it would be an option for those seeking a powerful unit that stays in the garage as it would be difficult to move from one workplace to another even with the wheels. 

The pump is designed to run for 3000 hours of work time. It comes equipped with an easy start valve that allows the unit to run immediately and the motor to spin freely upon start.





The Porter Cable compressor has a 20 gallon tank which helps it function well for the professional auto repair personnel. The unit is large and heavy and is designed more for industrial level use, rather than the at home mechanic. 

It has a maximum PSI of 150 and provides 5.0 CFM at 40 PSI and 4.0 CFM at 90 PSI. The compressor has pneumatic wheels making it easy to roll around the garage, but it is heavy would not be considered a portable unit, weighing in at 97 pounds. 

It comes with an oil free pump that doesn't require maintenance and has a fully enclosed shroud to protect all the working parts. It starts up with low voltage and the motor is designed with high quality parts to last through many hours of usage.








The DeWalt 20 gallon compressor weighs 166 pounds and is quite large, but it comes with wheels and a handle for rolling. The unit is designed with a heavy induction motor to work efficiently and comes with an oil lubricated pump to last through many hours of heavy duty work. 

The pump is a twin cylinder and it has a cast iron cast iron crankcase and thermally stable cast iron cylinder body. It has a maximum PSI of 155 and provides 7.0 CFM at 40 PSI and 5.7 CFM at 90 PSI. 

The dual voltage motor is designed to work with a 120 V outlet, but can also be rewired for 240V. It comes equipped with a quick set regulator and pressure gauges along with an on/off switch. 






This compressor from California Air Tools has a 5.5 gallon steel tank that should have enough capacity and power for the at home mechanic and may also work for those who need a portable tank to keep in their work vehicle. 

The unit is fairly small and weighs 54 pounds. It has wheels and a handle to make it easy to roll from one place to another. It has a maximum PSI of 120 and provides 3.1 CFM at 40 PSI and 2.2 CFM at 90 PSI. It has an oil free pump that is designed to last without requiring regular maintenance. 

This unit was designed as one of the quietest compressors in its class and can be used in nearly any type of setting without causing a noise disturbance. 

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