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The DeWalt DCF900B is a 20V MAX XR cordless 1/2-inch high torque impact wrench rated at 1,030 ft-lbs fastening torque and 1,400 ft-lbs breakaway torque. It targets heavy fastening work: wheel lugs, pipe flanges, concrete anchors and structural bolts. Its Precision Wrench mode limits overtightening forward and fastener run-off in reverse, and a 4-mode selector adjusts speed, torque and LED brightness. It sits at the top of DeWalt's 20V impact lineup, above the mid-torque models, and competes with Milwaukee's high torque Fuel and Makita's XGT wrenches on breakaway torque and control features.
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Lowest price we've seen: $83.40 on Nov 13 at eBay. Tracked across 16 stores since Nov 13.
Rated 4.4 out of 5 from 157 ratings, owners treat it as a serious heavy-duty tool that removes lugs and rusted bolts without a breaker bar. Complaints center on its size and weight and on needing big batteries to get the most from it.
The DeWalt DCF900B is a cordless 1/2 in high torque impact wrench in the 20V MAX XR system. It delivers 1,030 ft-lbs of max fastening torque and 1,400 ft-lbs of max breakaway torque. That output suits heavy-duty work such as large pipe flanges, grooved couplings, wheel lugs, concrete anchor bolts and structural fasteners.
Precision Wrench control mode helps prevent overtightening in forward and fastener run-off in reverse. A 4-mode push-button selector adjusts speed and torque output, and it also controls LED brightness. An on-tool LED work light improves visibility when working under vehicles, inside mechanical rooms or in low light.
BATTERYGUARD technology is a shock-absorbing battery-to-tool connection that helps reduce wear and tear during heavy use.














