Ingersoll Rand 1/2" Heavy Duty Impact - IR231C

SKU #1807333
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  • Tech Sheets


The classic IR231 is the most popular tool in its class. Introduced over 25 years ago and continuously refined, it offers the sheer power and performance features to tackle the toughest jobs with ease as well as proven durability and economy.

  • Durable twin hammer impact mechanism.
  • Pressure-feed lubrication.
  • Adjustable power regulator.
  • Easy to service two-piece construction.
  • Variable-speed.


  • Model: 231C
  • Max Torque in Reverse ft-lb: 600 reverse bias
  • Working Torque Range ft-lb: 25-350
  • Max Free Speed: 8,000 rpm
  • Average Air Consumption: 4.2 cfm
  • Air Consumption at Load: 22 cfm
  • Sound Pressure/Power DbA: 99/110
  • Air Inlet NPTF: 1/4"
  • Minimum Hose Size: 3/8"

WARNING WARNING: This product can expose you to Silica, crystalline (airborne particles of respirable size) a chemical known to the State of California to cause Cancer. For more information go to


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