DEWALT 20V MAX Cordless Impact Wrench, 1/2 Impact Gun, High Torque with Hog Ring Anvil, Tool Only (DCF900B)
Condition: New
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Availability:
In Stock.
Arrives
Wednesday, Sep 24
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Features
- COMPLETE A WIDE VARIETY OF FASTENING APPLICATIONS with 1030 ft-lbs of max fastening torque and 1400 ft-lbs of max breakaway torque
- INCREASE USER CONTROL IN A VARIETY OF APPLICATIONS with 4-mode speed settings and variable speed trigger
- DEISGNED TO HELP PREVENT OVERTIGHTENING AND FASTENER RUN-OFF with Precision Wrench control
- REDUCE WEAR AND TEAR ON THE BATTERY WHILE YOU WORK with BATTERYGUARD - a shock-absorbing battery-to-tool connection (battery sold separately)
- ILLUMINATE DARK WORKSPACES using the on-tool LED work light
Description
Complete the toughest jobs utilizing the power of the DEWALT 20V MAX XR 1/2 in. High Torque Impact Wrench. Delivering 1030 ft-lbs. of max fastening torque and 1400 ft-lbs. of max breakaway torque, making it ideal for large sized pipe flanges, grooved couplings, wheel lugs, concrete anchor bolt setting and many other heavy-duty impact wrench applications. The PRECISION WRENCH mode is included to help prevent overtightening in forward, and run-off in reverse, for additional user control. Utilize the updated 4-mode push button switch to easily transition speeds and adjust LED brightness when needed. Battery and charger sold separately.
Color: Black/Yellow
Brand: DEWALT
Material: Plastic
Item Length: 8.43 Inches
Item Weight: 6.4 Pounds
Color: Black/Yellow
Brand: DEWALT
Material: Plastic
Item Length: 8.43 Inches
Item Weight: 6.4 Pounds
Item Package Quantity: 1
Head Style: Fixed Square
Finish Type: Brushed
Item Torque: 1030 Foot Pounds
Operation Mode: Battery
Voltage: 2E+1 Volts
Manufacturer: DEWALT
UPC: 885911736299
Global Trade Identification Number: 99
Part Number: DCF900B
Item Weight: 6.4 pounds
Item model number: DCF900B
Is Discontinued By Manufacturer: No
Size: Large
Style: NEW Cordless Impact Wrench
Finish: Brushed
Pattern: Solid
Shape: Rectangular
Power Source: Battery Powered
Included Components: (1) DCF900 Impact Wrench
Batteries Included?: No
Batteries Required?: Yes
Battery Cell Type: Lithium Ion
Date First Available: August 16, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Sep 24
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: NEW Cordless Impact Wrench
This has over exceeded what I was hoping for. It has never failed me yet has worked on every job I have used it at and great battery power. It is not to big but has huge power. Is dwalt so you know great quality. It is so fast and powerful watch how hard you push the button.
Reviewed in the United States on January 27, 2025 by Elizibeth Reynolds Elizibeth Reynolds
Style: NEW Cordless Impact Wrench
Good tool with plenty of power for occasional home use
Reviewed in the United States on September 4, 2025 by KC
Style: NEW Cordless Impact Wrench
***Warning: Review by a DIYer home mechanic, not a "day to day" professional mechanic.*** ********************************************************************************************************************* The Good: Very powerful. Forward. Reverse. Don't matter. With a DEWALT 8AH battery pack on power setting #2, this thing unscrews 22mm wheel nuts and 21mm caliper bracket bolts very easily, even the ones with orange Loctite. Power setting #3 it's overkill most of the times to tighten anything and unscrews anything violently. Don't get distracted or this thing it's going to smack you and your wrist HARD. 😂 The built-in LED lamp emits enough light to see everything in front of the wrench in the dark. The variable speed trigger it's a must have on ANY impact wrench and here it works flawlessly. The pistol grip feels good on a bare, oily, dirty hand but much better and safer (stronger grip) with leather or rubber gloves on, as you should be equipped to begin with before start using this tool. ********************************************************************************************************************** The Bad: It's heavy. DEWALT claims 7lbs w/o battery. If you're planning on using it for extended periods of time and if you slap a big 8AH battery pack like a did, it's just going to get worse. Not a problem for me as I went in knowing that. Under prolonged heavy use you WILL physically destroy your batteries. The high power and the resulting vibrations are a double edged sword. I try to minimize the problem by grabbing the battery with one of my hands when using the wrench. DEWALT does not make the battery bumper, a.k.a BATTERYGUARD(TM) standard equipment, however, they'll be happy to sell it to you as an extra. That tells you that they know there's a problem but feel it's not critical enough yet to hurt their sales and tarnish their name. Time will tell. Don't trust the PRECISION WRENCH(TM) mode, use your own hand feel judgement and experience and you'll be better off. I tried it, then went over it with a manual wrench to assert my suspicions and felt it was way off when it came to applying the correct amounts of torque on different fastener types and sizes. The "run off prevention on reverse" feature did work as advertised but I see it more as gimmick than a true helping feature. JMHO. ******************************************************************************************************************* Final Thoughts: If you need a powerful and reliable cordless impact wrench, be it at home and even at the shop, you won't be disappointed with this one.👍
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Reviewed in the United States on October 13, 2024 by MikeD
Style: NEW Cordless Impact Wrench
The DeWalt DCF900B is an absolute beast. it makes removing stubborn bolts and lug nuts feel effortless. It’s built tough, has a solid grip, and the variable speed trigger gives great control. The built-in LED light is super handy in low-light spots, and the battery protection feature is a nice bonus. It is a bit heavy, so not ideal for long overhead jobs, and it’s on For the price it's amazing
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Reviewed in the United States on May 25, 2025 by Carl
Style: NEW Cordless Impact Wrench
This impact gun has plenty of torque. Works well for automotive and around house.It is slightly heavy but to be expected for this gun. I use 8mh battery with this as smaller battery will run out of power quickly. Good impact gun for price.
Reviewed in the United States on June 14, 2025 by Shelldon S Clark
Style: NEW Cordless Impact Wrench
Used this all day yesterday replacing shocks, s struts and springs on my kids used car we just bought, not to mention, of course, the wheels and it ran incredibly well. It sure beats my pneumatic one and listening to the compressor turning on and off all day and hauling the house all around.
Reviewed in the United States on August 10, 2025 by Milo Nimori
Style: NEW Cordless Impact Wrench
Impact was stronger than expected. It broke an impact socket on its first use. I was extremely surprised by the power would recommend to anyone
Reviewed in the United States on September 4, 2025 by Robert Castro
Style: NEW Cordless Impact Wrench
I've been working on cars for a few decades now and own many Air Tools. Generally Air Tools are lighter and smaller than their battery powered counterparts which make them easier to handle and helps with getting in tight spots. But the air hose can be hindrance at times. Comparing the specs on my 1/2" IR Air Impact Gun against the Dewalt DCF900 Cordless Impact Wrench the latter seems to have the upper hand. 2135QTi Impacts per min: 1,250 Torque range: Forward ft•lb (N•m) 50-550 [600 Max.] (68-746 [813 Max.]) Reverse ft•lb (N•m) 650 [700 Max.] (881 [949 Max.]) Dewalt DCF900 Cordless Impact Wrench: Impact at a rate of 2200 IPM Max. fastening torque: Low mode: 100 ft-lbs, 135 Nm Medium mode: 600 ft-lbs, 813 Nm High mode: 1030 ft-lbs, 1396 Nm Max. breakaway torque 1400 ft-lbs, 1898 Nm Watching a video on YouTube for the Dewalt DCF900 Cordless Impact Wrench the ratings may be slightly inflated but were nevertheless impressive. So far I've only used the tool for loosening wheel lug bolts torqued to 90 ft/lbs on my car for tire changes and the Dewalt DCF900 Cordless Impact Wrench handled that easily enough on setting of 1 when paired with a DCB206 20v MAX 6ah Battery. The Dewalt DCF900 Cordless Impact Wrench is bigger and heavier which may come into play when I try to do some work on suspension and steering bolts where are notoriously difficult to remove and access can be tight. While it is sorta cumbersome, the Dewalt DCF900 Cordless Impact Wrench had no issues standing up on it's own when being set down. Also it operated very smoothly and I barely noticed the impacting when in use. I purchased the Dewalt DCF900 Cordless Impact Wrench for when Winter comes and the cold weather makes my Air Compressor difficult to start. Instead of heating up the Garage to get the compressor warm enough to start, I can get right to work. Saving time. I also won't have to deal w/stiff rubber air hoses when moving around the car. I'm sure I'll find uses for the Dewalt DCF900 Cordless Impact Wrench during the warmer months when I encounter something my 1/2" Air Impact Gun won't budge. Since I already had both a Dewalt DCB206 20v MAX 6ah Battery and DCB204 20v MAX 4ah Battery I didn't need the whole kit, so this item fit the bill in getting the cost down. I've own many Dewalt tools in the past and am sure this one will be a welcomed addition to my Tool box. I knocked off a star cause it is a bit heavy and the only complaint I have is the location of the button to change directions. When wearing heavy work gloves and picking up and/or operating the Tool it's too easy to hit that button and change the direction from forward to reverse or vice versa. I've never enountered that before w/other Battery powered tools from Dewalt.
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Reviewed in the United States on November 1, 2024 by Greg