The DEWALT DCF891B 20V MAX XR 1/2 in. Mid-Range Impact Wrench is a cordless impact wrench built for high-torque fastening and removal in tighter working areas. This is a mid-range impact wrench designed for fastening and loosening stubborn nuts and bolts. Model Number: DCF891B. If you need more punch than a compact wrench but do not want the extra size and weight of a full high-torque unit, this is the sweet spot in the lineup.

DEWALT rates it at 600 ft-lbs of max fastening torque and 800 ft-lbs of max breakaway torque, which is the kind of output that matters when you are dealing with wheel lugs, concrete anchors, grooved couplings, tilt wall braces, and pipe flange hardware. That gives this cordless impact wrench enough power for serious service and installation work while still staying manageable for overhead or awkward-position jobs.

The control package is just as important as the torque. You get 4 speed settings plus a variable speed trigger, so you are not stuck with one aggressive output level for every task. DEWALT also includes Precision Wrench control to help reduce overtightening in forward and fastener run-off in reverse. On the job, that means less guesswork when you are seating hardware and less chance of sending nuts across the floor when they break free.

This tool is built around a brushless motor and DEWALT's 20V MAX XR battery platform. The brushless design helps deliver efficient power and supports the kind of repeated fastening work this tool is made for. It is also cordless, which matters when you are moving around equipment, steel, lifts, or jobsite concrete where a cord just gets in the way.

Size is one of the main reasons to buy this model. The body is listed at 7 in. long and the tool weight is listed at 3.7 lbs, with DEWALT describing it as less than 4 lbs tool only. That smaller footprint is what makes it useful in compact spaces around machinery, suspension components, flanges, and structural connections. The hog ring anvil also makes socket changes quick, which is a practical advantage when you are bouncing between fastener sizes.

For jobsite usability, DEWALT adds an on-tool LED work light to help in dim mechanical rooms, under vehicles, and around equipment. A belt clip is included, which is a small detail but a useful one when you are climbing, repositioning, or moving between fastening points. This is a bare tool, so battery and charger are sold separately.

If you are already on the DEWALT 20V MAX XR platform, the DCF891B makes a lot of sense as a dedicated 1/2 in. drive impact wrench for service trucks, maintenance work, industrial fastening, and general construction use. It is especially well suited for users who need serious torque without carrying the largest wrench in the truck all day.

Bottom line: this impact wrench is for mechanics, steel and concrete crews, industrial maintenance techs, and contractors who need a strong 1/2 in. cordless impact wrench that stays compact enough for real-world access. It is not a light-duty installer tool, and it is not trying to be. It is the one you grab when the fasteners are tight, space is limited, and you still want control.

DEWALT DCF891B 20V MAX XR 1/2 in. Mid-Range Impact Wrench Hits the Sweet Spot

This is the impact wrench you buy when compact size matters but you are done messing around with light-duty torque.

• Who it's for: Mechanics, industrial maintenance crews, concrete and steel installers, and contractors who need a 1/2 in. cordless impact wrench for serious fastening in tighter spaces.
• Why it stands out: The mix of 600 ft-lbs fastening torque, 800 ft-lbs breakaway torque, 4-mode control, and a sub-4-lb tool weight gives it a very usable balance of power and size.
• Worth knowing: This is a bare tool, so plan on adding a battery and charger if you are not already on DEWALT 20V MAX XR. And if your work is nothing but the biggest rusted structural fasteners all day, you may still want to step up to a full high-torque model.

• Is this a brushed or brushless impact wrench? It uses a brushless motor.
• What size drive does it use? It has a 1/2 in. drive with a hog ring anvil.
• Does it have speed control? Yes. It has 4 speed settings and a variable speed trigger.
• Does it include a battery and charger? No. This is a tool-only configuration.
• What kind of work is it meant for? DEWALT positions it for pipe flanges, grooved couplings, tilt wall braces, wheel lugs, concrete anchor setting, and other high-torque fastening jobs in compact spaces.