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DEWALT 20V MAX Cordless Impact Wrench, 1/2 in., Bare Tool Only (DCF900B)

4.8 4.8 out of 5 stars 919 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Power Impact Wrenches by DEWALT
$227.95 with 35 percent savings
List Price: $349.00

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Purchase options and add-ons

Color Black/Yellow
Brand DEWALT
Material Plastic
Item Weight 7 Pounds
Item Package Quantity 1

About this item

  • COMPLETE A WIDE VARIETY OF FASTENING APPLICATIONS with 1030 ft-lbs of max fastening torque and 1400 ft-lbs of max breakaway torque.
  • ILLUMINATE DARK WORKSPACES using the on-tool LED work light.
  • 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 Wrenchâ„ control.
  • REDUCE WEAR AND TEAR ON THE BATTERY WHILE YOU WORK with BATTERYGUARDâ„ - a shock-absorbing battery-to-tool connection (battery sold separately).
› See more product details

Customer ratings by feature

Battery life
4.6 4.6
Value for money
4.5 4.5
Light weight
3.5 3.5
See all reviews

Frequently bought together

DEWALT 20V MAX Cordless Impact Wrench, 1/2 in., Bare Tool Only (DCF900B)
$227.95
Get it as soon as Friday, May 3
In Stock
Sold by TrulyTheBest and ships from Amazon Fulfillment.
+
DEWALT 20V MAX Battery Charging Kit, Includes 2 Batteries, 5Ah, Includes Small Storage Bag (DCB205-2CK)
$136.47
In Stock
Ships from and sold by Toolup.
+
DEWALT 20V MAX Battery, 6 Ah, 2-Pack, Fully Charged in Under 90 Minutes (DCB206-2)
$179.00
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Warranty & Support

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DEWALT 20V MAX Cordless Impact Wrench, 1/2 in., Bare Tool Only (DCF900B)

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Product 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. PRECISION WRENCH(TM) mode is included to help prevent overtightening in forward, and run-off in reverse, for additonal user control. Utilize the updated 4-mode push button switch to easily transition speeds when needed. Battery and charger sold separately.

Top Brand: DEWALT

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DEWALT 20V MAX Cordless Impact Wrench, 1/2 in., Bare Tool Only (DCF900B)
DEWALT 20V MAX Cordless Impact Wrench, 1/2 in., Bare Tool Only (DCF900B)
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Price-35% $227.95
List: $349.00		-10% $170.78
List: $189.00		-5% $197.97
Typical: $208.45		$158.99$201.95-14% $315.52
List: $369.00
Delivery
Get it as soon as Friday, May 3
Get it as soon as Friday, May 3
Get it as soon as Friday, May 3
—
—
Get it as soon as Friday, May 3
Customer Ratings
4.84.8 out of 5 stars919
4.84.8 out of 5 stars3,365
4.74.7 out of 5 stars503
4.84.8 out of 5 stars213
4.84.8 out of 5 stars1,044
4.54.5 out of 5 stars99
Battery life
4.6
4.7
4.4
4.6
4.6
3.8
Value for money
4.5
4.6
4.8
4.5
4.5
4.0
Light weight
3.5
4.7
4.4
4.9
4.5
2.6
Sold By
TrulyTheBest
Amazon.com
Abe's Electronics Center
David's Tools
Prime Quality Retail
JBTools
material
Plastic
—
Plastic, Rubber, Metal
Blend, Blend, Blend, Blend, Blend
—
—
head style
Fixed Square
Round
C Shaped
Hex
Open End
Fixed Square
item torque
—
150 inch pounds
600 foot pounds
—
330 inch pounds
—
operation mode
Battery
Battery
Battery
Battery
Battery
Battery
finish type
Powder Coated
—
Polished
Powder Coated
Brushed
Powder Coated
weight
7 pounds
2 pounds
—
2.37 pounds
4 pounds
—

Customer reviews

4.8 out of 5 stars
4.8 out of 5
919 global ratings

Customers say

Customers like the quality and power of the wrench. For example, they say it has a mega-torque and is dependable. That said, opinions are mixed on the weight.

AI-generated from the text of customer reviews

78 customers mention74 positive4 negative

Customers are satisfied with the quality of the wrench. They mention that it has a mega-torque, strong enough torque to feel it pull with it just in your hand, and a very powerful impact wrench. The motor feels much more solid, and it is much stronger than the DCF899 impact wrench, making it a great tool.

"...This wrench has more torque than I’ll probably ever need. On its lowest setting, it will torque too close to 100 foot pounds...." Read more

"Great professional quality impact. Shipping was fast and it was an accurate delivery time...." Read more

"...It will break loose bolts and nuts that I had to use a cheater pipe on the breaker bar just to start removing with my old electric impact." Read more

"...Great torque power and pretty quiet compared to my air compressor impact wrench, able to use immediately and no air compressor hose to limit reach...." Read more

15 customers mention12 positive3 negative

Customers like the power of the wrench. For example, they say it has an impressive impact for being battery powered, it's dependable, and it offers more control than a pneumatic impact. Some appreciate the convenience of using battery power versus pneumatic. Overall, most are satisfied with the power and features of the tool.

"...Nice features with a bonus light you can turn when need." Read more

"I enjoy the convenience of using battery power versus pneumatic. The impact wrench has a ton of torque and will damage lug nuts if not careful...." Read more

"Only used it twice. Seems to have very good power" Read more

"Wish I had purchased this earlier, it’s much more powerful and offers more control than my 1/2” pneumatic impact wrench...." Read more

4 customers mention4 positive0 negative

Customers find the wrench easy to use. They say it has lots of torque, and is able to use immediately without any effort.

"...and pretty quiet compared to my air compressor impact wrench, able to use immediately and no air compressor hose to limit reach...." Read more

"Lots of torque. durable. easy to use." Read more

"It’s powerful yet easy to handle" Read more

"...Takes off lug nuts like a hot knife through butter. No effort at all. It’s well balanced with a 8 amp hr or larger flexvolt battery...." Read more

15 customers mention5 positive10 negative

Customers have mixed opinions about the weight of the wrench. Some find it very powerful but heavy, while others say it's a bit on the heavy side for continued use. Some customers also mention that the wrench is hefty and does not fit into tighter spaces as well.

"Not a light tool, but when you are taking lug-nuts off a car you want a tool that works, and this one does!..." Read more

"The wrench is well made, a little heavy but powerful which is the reason I bought it...." Read more

"...The wrench is hefty and does not fit into tighter spaces as well as a smaller pneumatic version, but it works great for lug nuts and axel nuts in..." Read more

"Works as advertised. No issues. Little heavy but has to be at those specs. Turned up to max, it’s a handful on torque." Read more

A most buy!!!
5 Stars
A most buy!!!
I’m a truck driver and my drag link broke so I bought this impact in hopes it would be big enough for the job and boy it didn’t disappoint I attached my battery to the impact lightly pulled the trigger with power level 3 and off came the bolts and the same thing happened when I put it back on. I highly recommend this product very impressed
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Top reviews from the United States

db2471
5.0 out of 5 stars Lots of torque, more than enough to get lug-nuts off the car.
Reviewed in the United States on February 22, 2024
Verified Purchase
Not a light tool, but when you are taking lug-nuts off a car you want a tool that works, and this one does! My pneumatic impact wrench has always been a little weak, well like everything it started to wear-out and I needed a replacement. I already have several Dewalt 20V tools so this was a much better choice for me than the impact wrench from H. Freight and it cost a little less than their setup. I can now take the tires off any car in a couple seconds and I dont need a large compressor to get the job done. Plenty of torque and like a I said a little weight behind it. Would recommend!
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Mikie
5.0 out of 5 stars Powerhouse piece of equipment
Reviewed in the United States on February 3, 2024
Verified Purchase
I like DeWalt products this is no exception, I thought I would try this out before investing in another battery and this is a keeper. Great torque power and pretty quiet compared to my air compressor impact wrench, able to use immediately and no air compressor hose to limit reach. Nice features with a bonus light you can turn when need.
3 people found this helpful
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Jim
5.0 out of 5 stars This thing is a beast! Perfect for lug nuts/bolts.
Reviewed in the United States on March 30, 2024
Verified Purchase
Had no problem removing difficult lug nuts/bolts so far. I recently had a flat tire and had to have the car towed because I couldn’t get the lug nuts off on location using a standard lug wrench. After paying a $300 towing bill, I bought this as insurance that I won’t have to relive that situation. This Dewalt wrench now lives in the trunk of my car. Maintaining a charged battery will be an additional maintenance item, but well worth it when the need arises! This wrench has more torque than I’ll probably ever need. On its lowest setting, it will torque too close to 100 foot pounds. Just what I’m looking for with dry torque lug bolts.
One person found this helpful
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Norman Quarles
5.0 out of 5 stars Great impact tool
Reviewed in the United States on April 23, 2024
Verified Purchase
Sometimes you are not near an air compressor and need to remove a tire or other hard to turn nuts. This tool is the fix for that especially out at the country estate where you may need something out in the pasture of woods. DEWALT quality.
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Lawdawg
5.0 out of 5 stars WOW
Reviewed in the United States on April 10, 2024
Verified Purchase
Ordered this thinking I needed a 3/4 drive, but when this arrived I realized it IS the same size as the 3/4 at a cheaper price. Very well built, heavy duty. If you think like I did that you need a 3/4 drive try this first its the same driver with a 1/2 inch chuck instead of 3/4
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Mike
5.0 out of 5 stars Great professional use impact.
Reviewed in the United States on March 1, 2024
Verified Purchase
Great professional quality impact. Shipping was fast and it was an accurate delivery time. This was to replace my 4 year old pin anvil model that lived a hard life. Compared it today in my work environment against a quality 3/4" air impact. The 3/4" impact just barely nudged the fastener about 1/16" past what this impact tightened it to with a battery that showed 3 bars but had several days of intermittent use and was not fresh off the charger. This impact lives in a facility working on yellow engines professionally. I'm happy with my purchase.
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Nicholas Burns
4.0 out of 5 stars Here is a Great Impact Gun.
Reviewed in the United States on October 18, 2023
Verified Purchase
I enjoy the convenience of using battery power versus pneumatic. The impact wrench has a ton of torque and will damage lug nuts if not careful. Be sure to use the wrench setting that adjusts automatically for the job. The wrench is hefty and does not fit into tighter spaces as well as a smaller pneumatic version, but it works great for lug nuts and axel nuts in particular. I recommend using a Power Stack battery to reduce weight. The LED light is a nice addition but is interfered with by the tip of the wrench (like most other DeWalt battery tools with LED light). I am not sure why DeWalt aims a non-adjustable LED light at the tip causing a shadow on your work. Other than that, it is five stars!
4 people found this helpful
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P Spencer Norby
5.0 out of 5 stars A really great machine.
Reviewed in the United States on April 1, 2024
Verified Purchase
Lots of torque. durable. easy to use.
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Top reviews from other countries

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Angel H.
5.0 out of 5 stars Demasiada potencia
Reviewed in Mexico on September 30, 2023
Verified Purchase
Esto aflojaria las llantas del tren, es increíble
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Santiago
5.0 out of 5 stars Powerful
Reviewed in Canada on April 7, 2024
Verified Purchase
Great power, amazing tool.
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Alex
5.0 out of 5 stars Muy buena
Reviewed in Mexico on June 29, 2023
Verified Purchase
Excelente producto, gran calidad, muy satisfecho con la compra.
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Steve W.
5.0 out of 5 stars I think you could jack up a house with this thing!
Reviewed in Canada on August 7, 2023
Verified Purchase
I have a 3 foot breaker bar that I used to change the wheels on my Bentley GTC. That thing is torqued at about 110 ft lbs. Still takes a bit of effort to do it by hand, and you need to have the car sitting on the ground, not in the air with the wheel loose when you're trying to take it off manually. If you don't, the wheel will just turn. I'm not weak by any means, but using the breaker bar as opposed to this thing is a night and day difference.

I bought this DeWalt, and I'm able to pull the wheels off in seconds, with the wheel in the air, and it doesn't budge. This thing has so much torque, it feels like you could pull a house off its foundation with it. They aren't cheap, but they are incredibly effective.

I set it for 100 ft lbs to put the wheel back on, and then I just go over it with a torque wrench to bring it up to 110. It's a matter of seconds.

The only thing you need to ensure is that you've got the lug nuts screwed in a few threads before you start on this, otherwise you'll destroy it if you cross-thread it. And you could probably cross thread it all the way down to 500 ft lbs of torque...

I love this tool! Make sure you get at least a five amp battery pack for it.
6 people found this helpful
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Patrick Naugler
5.0 out of 5 stars DCF900B
Reviewed in Canada on February 24, 2024
Verified Purchase
This is an absolute beast of an impact wrench I use it to remove my lugs off my wheels I don't think there's too much this cant remove however when it comes to mechanical use id leave it on speed 1 because its very easy to accidentally push the forward/reverse switch while holding it accidentally snapped off one of my studs on speed 3 and is heavy to hold but definitely will get the job done so for any professional or diy mechanics out there this is well worth the money you won't regret it
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