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DEWALT 20V MAX* XR String Trimmer, 14-Inch, Tool Only (DCST922B)

  • Based on 4,435 reviews
Condition: New
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Availability: Only 2 left in stock, order soon!
Fulfilled by Amazon

Arrives Oct 9 – Oct 10
Order within 11 hours and 21 minutes
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Style: Gen 2


Features

  • Folding hinge to fit into small storage spaces**
  • Reduced length when folded for easy transportation**
  • 14 in. swath for a wide cutting area
  • Durability even in the thick brush
  • Choose between performance and runtime with variable-speed trigger
  • Wind new line fast with QuickLoad Spool
  • Control power level with Hi/Lo speed control switch

Description

The 20V MAX 14 in. String Trimmer features an innovative folding hinge mechanism that reduces the length by 40% for accessible storage and quick portability. The QuickLoad Spool allows for fast and easy line replacement of 0.080 in. line with 14 in. swath. The variable-speed trigger offers precise power control, as well as performance and runtime management with the Hi/Lo speed-control switch.

Brand: DEWALT


Power Source: Battery Powered


Color: Black, Yellow


Cutting Width: 14 Inches


Product Dimensions: 38.92"L x 9.97"W


Brand: DEWALT


Power Source: Battery Powered


Color: Black, Yellow


Cutting Width: 14 Inches


Product Dimensions: 38.92"L x 9.97"W


Speed: 6000 RPM


Assembly Required: No


Pattern: Solid


Global Trade Identification Number: 33


Is Cordless?: Yes


Style: Gen 2


Number of Items: 1


UPC: 885911676533


Size: One Size


Item Weight: 9.13 pounds


Department: Unisex-Adult


Manufacturer: DEWALT


Item model number: DCST922B


Is Discontinued By Manufacturer: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Oct 9 – Oct 10

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.

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Top Amazon Reviews


  • some care and usage tips after 1.5y solid runtime
before I start, it's 5 stars from me - love this unit and I'm returning right now to buy a replacement. More on that below. Included some photos so you can see how the gunk will build inside the unit - gunk can build up exactly where the motor tries to breath! So I did my very best addressing this with some tips below. some care and usage tips after 1.5y solid runtime: - regularly CLEAN THE VENT HOLES for the motor at the head of the unit - it needs to breath. Use Qtips, for example, and perform these maintenances before or after EVERY RUN to keep the gunk from getting "pushed" in further by more gunk. - Edit: Turns out a WIRE BRUSH is enough 99% of the time. QTips not needed. I've been doing it *before* runs when the gunk buildup is dry. When I look into the vent holes, I can see this is doing a good job. Convenient, fast, and easy to do. - Mind that these small vent holes (at the top of the motorhead) are AIR INTAKES - so they attract material into the holes via negative air pressure (ie. slight vacuum). The larger holes below are exhausts - don't need to worry about those, they don't collect gunk buildup because they blow air out. - the vacuum effect is not too big of a problem, by the way - the intake vent hole vacuum isn't that strong. You could go 3 heavy runs without the vents getting too clogged - just depends on the nature of the runs. Just have to keep an eye on it, and have to consider running a wirebrush over it before every run - that's a good and easy maintenance. - the motor on this unit is down at the end of the pole, for that reason you might want to STICK TO DRY CONDITIONS with this unit - DO NOT WASH the head of the unit with water - use a wire brush - avoid sweeping the tool deep in bunches or piles of cuttings or other material (such as grass you just cut, where you want to make a 2nd, lower sweep to cut farther down) - that is a source of the "gunk" that can get in the vent holes. - combining the logic of some advice above: EVENING HOURS when its both dry and cooler are the best times to make runs. - as you would expect, this brushless motor can BURN OUT if you really push it. --- take some breaks especially during the hottest days --- don't just swap 5AH batteries in back-to-back without letting that motor cool off some --- sometimes the batteries get hot, and will prevent the unit from running - THATS GOOD (if annoying sometimes) - now listen: we can prevent the battery from making this decision by simply holding the trigger for a long time. THATS BAD, DONT DO THAT. LET THE UNIT REST. If the battery does this, and you feel like the motor shouldn't be running too hot (ie. you've been keeping gunk from the vent holes, ambient temp is avg or low, etc), then *maybe* it's an OK time to swap batteries just for a bit so you can keep working - the batteries do heat up faster than the motor. EDIT: I read that the motor also has heat sensors which will prevent the unit from running. In that case, it seems the point stands: - *Do* regularly let off the trigger to see if the unit wants to take a break. - just saying it one last time... It seems very important that the vent holes remain unobstructed by gunk, to help the motor stay cool. - It also seems that operators in more humid climates should take extra care, because very dry material, or conditions, won't lead to "gunking up" in the vent holes as deleteriously - although, plants generally are wet when cut. Apply discretion. - Dewalt probably wouldn't recommend this, but after maybe 1y of solid use, you might open it up to get Qtips farther in and keep the passageways unobstructed. Note: start unscrewing from the head back - the neck doesn't need unscrewed. - dont forget the high/low setting. Low will generate less heat, and low does great work when set against "easier targets". On the same token, if you use low against heavier targets, you'll end up running longer trying to wear the targets down, and it'll make more of a mess which means more gunk to obstruct the vent holes, and negate the efficiency of using low - so HIGH is better against those targets. EDIT: I've been just running on "low" lately with the new unit, and using dewalt's own .08 string .. why did I ever do anything different? Just run on low with their .08 string, it works great. The string is small and "cuts". - going to recommend sticking with dewalt's advice to only run their .08 line - that is what it is designed for and the longevity of the motor should take priority over the reasoning for using different string - not 100% sure on this, but I imagine (and from experience it does seem like) allowing the string out more often toward the 14" radius will help with many of the points above. The string travels at a higher MPH out farther from the head, cuts better, and the cuts are creating gunk at more of a distance from the motor. So that sounds like win-win right? I suppose so. EDIT: the string length does make the motor work a lil harder. Apply your own discretion. My situation: I let the head's vent holes get a bit cloggy and now I'm back to buy a 2nd unit (because I like this product so much). Basically I burned the motor out by running on high setting for 2 entire 5AH charges back-to-back (yes, I violated all my tips above) and it just died and wont start now. Dewalt does offer a "fixed in $79" guarantee via their website, but I figure after taxes and buying packing and everything I'd be out $110. So why not pay the extra $50 and get a brand new one. Won't be making the same mistake again. Might also be more careful about banging it to draw the string out ... don't want to bang it too hard - that trimmer head has electrical board & wiring in it! Not that I ever abused the unit too much ... or so I thought. Anyway, $160 for 1.5y of using this unit, for how light and convenient it is, and how quiet it is, and considering how much I used it, and the heavy jobs I set it on ... I'm too enamored to go without it, and getting a replacement. ... show more
Reviewed in the United States on August 31, 2024 by td8090 td8090

  • Powerful, Cordless, and Built for Tough Jobs
The DEWALT 20V MAX XR trimmer is a beast. Being cordless makes it super convenient—you’re not tied to an outlet, and it’s easy to maneuver around the yard. It’s powerful, durable, and works great for heavy brush and thick weeds. The double-string design and thick line cut through vegetation quickly, and I like that it folds down for easy storage. The 20V battery is fine for smaller yards, but if you’re tackling a larger piece of land, it will drain faster. A higher-capacity battery makes a big difference for extended projects. This trimmer has serious cutting power, which is great for efficiency, but it does mean you should be mindful around loose stones or gravel since it can fling them. As long as you use it in open areas, it’s safe and reliable. I found this out the hard way when it flung a rock like a bullet into one of my windows from about 30 feet away and broke it. Overall, this is the best cordless trimmer I’ve found for heavy trimming. It combines power, durability, and convenience in a way that makes yard work much easier. ... show more
Reviewed in the United States on August 19, 2025 by Kevin Grames

  • Great trimmer
I love this weed/grass trimmer. (1year use) I have a 1-acre yard with extensive gardens, and I have many gas tools for various projects, but I decided to try using electric tools, and I am hooked! I have used this trimmer to clean up my garden edges, around the house and shed, around rock walls, areas under my trees where weeds can overgrow, and I have used this in a community garden to clear overgrown areas. Both areas have worked on 1 charge per area. I use the 20V 5-amp battery. I have 3 batteries for backup, and I have various Dewalt yard tools. This trimmer is a little heavy, so you can purchase a shoulder strap. Great trimmer for homeowners. ... show more
Reviewed in the United States on July 12, 2025 by ken

  • Dewalt quality
Easy to use, easy to change the string but this is very heavy. Very heavy. I would think that anyone who isn’t fit would have trouble using this for an extended period. I am a 5’9 165 lb man and I can tell that it’s heavy. My wife can use it but complains a little. That being said she works like a champ. 2 seasons in and zero issues. Nothing is built like a dewalt ... show more
Reviewed in the United States on December 21, 2024 by Amazon Customer

  • No more frustration!
No more gas or oil!!! put a battery in it and go to work!! no frustration, no loud noise, no CRANKING, no more inaccurate mixtures... Love it, just as powerful as my gas trimmer - no mess or frustration - even lighter too!
Reviewed in the United States on July 19, 2025 by Scott

  • Does the Job
I'm running a robot mower this year, fired my landscapers and just need to do trimming. I'm already in the Dewalt ecosphere so this was a no-brainer. So far, it does what I expected it to do. It seems like high quality and is fairly comfortable for me being 6'4". I like that the handle is adjustable so I could put it all the way up the shaft for myself being taller. I can do my 1/4 acre yard with a smaller battery without having to charge. I do use the bigger ones most of the time, but when they're in use, a smaller one seems to do just fine. It's powerful and cuts through grass and weeds like you'd expect. I'm happy with this purchase and love that it folds up for winter storage. ... show more
Reviewed in the United States on July 4, 2025 by SuperDad

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