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Prices may varyThis product ranks #5 of 12 in Impact Wrenches.Three above it ↓
Last reviewed June 4, 2026
TL;DR Air-powered ½" drive impact wrench rated at 900 ft-lbs working torque · requires an air compressor to operate. No independent US safety certification on file.
The AIRCAT 1150 is a pneumatic ½" drive impact wrench delivering 900 ft-lbs working torque and 1,295 ft-lbs breakaway torque via a twin-hammer mechanism at 1,400 IPM. No independent torque meter test was located; community evidence draws from fastener-removal outcomes only. At 4.5 lbs with composite housing and an 89 dBa tuned exhaust, it is notably quieter and lighter than most air-driven wrenches in this torque class. Highly rated across a large base of owner reviews, confirming reliable lug nut removal on passenger vehicles, trucks, and SUVs. Requires an air compressor · not a cordless electric tool.
Best for home mechanics who already own or are willing to invest in an air compressor and want proven pneumatic torque at a competitive price point. Skip it if you lack a compressor or need portability; a cordless ½" impact wrench serves better in that scenario.
No US independent certification (UL or ETL) was confirmed; no active CPSC recall found. The listing carries a California Prop 65 warning, standard for power tools of this type. Dispose of the tool at a local e-waste drop-off at end of life.
The Amazon listing for AIRCAT AIRCAT 1150 Killer Torque 1/2" Pneumatic Impact Wrench carries a California Prop 65 warning. California requires this warning on a very wide range of manufactured goods — including electronics with wiring, solder joints, or plastic/metal housings — whenever trace exposure to any of roughly 900 listed substances (commonly phthalates or heavy metals) is possible, regardless of whether the specific product poses a meaningful health risk. As a passive electronics product, AIRCAT AIRCAT 1150 Killer Torque 1/2" Pneumatic Impact Wrench has no Safety Data Sheet, so there's no chemistry breakdown to translate beyond that.
Marketing copy from AIRCAT, via Amazon. Not editorial.
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