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It depends on the wrench. Most impact wrenches available for homeowner use require a compressor that can maintain 85 psi under use. Usually these are the wheeled compressors with at least a 15 Gallon tank. -I have a small 2 gallon compressor that works for most things, but an impact wrench will empty the tank in about 15 seconds - so I need a bigger compressor or tank combo to operate that.

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11y ago
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Q: What size air compressor is needed to run an impact wrench?
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