6 models in this file
DeWalt 20V Trimmer Motor: Repair Parts vs Compatible Tools
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
DeWalt is recognized across job sites and residential workshops for its dependable cordless tool ecosystem, particularly its extensive 20V MAX battery line. When outdoor power equipment or core workshop tools experience internal wear, owners frequently look for a dewalt 20v trimmer motor or replacement drive components to restore operation without replacing their entire setup. However, genuine OEM internal assemblies can be difficult to source individually, prompting many shoppers to turn to aftermarket replacement parts and compatible bare tools. We state plainly that none of these featured products are manufactured by DeWalt; instead, they represent third-party replacement assemblies and compatible bare tools designed to work seamlessly with your existing DeWalt battery inventory.
While the internal motor assemblies provide direct mechanical fixes for burned-out drill transmissions and pruning shears, the standalone compatible tools offer full yard-maintenance alternatives that run directly off your existing battery packs.
The line-up at a glance
DeWalt Trimmer Motors and 20V Tools Compared
| Model | Product Type | Power & Compatibility | Key Specifications |
|---|---|---|---|
| Cordless Lawn Edger Compatible with Dewalt | Cordless lawn edger bare tool | DeWalt 20V battery compatible | 8.6-inch steel blade, 3 depth settings, brushless motor |
| N376649 N210996 N279939 18 Teeth Replace | Replacement motor assembly | DeWalt 18V and 20V drill platforms | 18-tooth pinion, RS-775VC-9013 spec, all-metal construction |
| HEINPRO Cordless Weed Wacker Compatible | Cordless string trimmer bare tool | DeWalt 20V MAX battery compatible | 16-inch cutting width, 6000 RPM brushless motor, bump feed |
| DCPR320B DCPR320D NA177441 Motor & Pinion | Replacement motor and pinion | DeWalt DCPR320B / DCPR320D 20V MAX | NA177441 drive assembly, internal shear replacement part |
| N493868 N806546 N806548 N806549 Fit | Replacement motor with switch | DeWalt 18V / 20V compact brushless drills | 18-tooth motor, integrated wiring harness and switch unit |
| 4 In 1 Cordless Pole Saw | Multi-tool tree trimming system | DeWalt 20V MAX battery compatible | 900W brushless motor, 8-inch bar, extends to 8.2 feet |
No. 1 of 6 · Ddkun
Cordless Lawn Edger Compatible with Dewalt for Clean Yard Borders
4.9 Amazon buyer average
Best for: Clean lawn borders and sidewalk trench edging
What the listing says
- CORDLESS EDGER with BRUSHLESS MOTOR Powered by a high-efficiency brushless motor, this cordless lawn edger delivers strong output and extended runtime for reliable, efficient operation.
- COMPATIBLE WITH DEWALT 20V BATTERY This Cordless Edger compatible with DEWALT 20V lithium-ion batteries.
- 8.6" STEEL CUTTING BLADE Durable high-strength steel blade designed for clean, precise edging and consistent cutting.
- MULTIPLE ADJUSTMENT With 3 cutting depth settings and a 4-position rear guide wheel, offering flexible control for different lawn conditions and edging needs.
- ERGONOMIC DESIGN Designed for comfort and ease of use, featuring an adjustable handle for improved grip and reduced…
Pros
- Brushless motor efficiency
- Adjustable 3-position cutting depth
- Durable 8.6-inch steel blade
Cons
- Bare tool without battery
- Single-purpose edging tool
Property owners looking to groom borders along sidewalks and driveways often require a dedicated edging blade rather than standard nylon trimmer line. The Cordless Lawn Edger Compatible with Dewalt from DDKUN offers a dedicated lawn edger for dewalt battery owners who want precise landscaping without investing in an entirely new battery and charger platform. This model is sold strictly as a bare tool, allowing users who already own standard DeWalt 20V lithium-ion batteries to slot their existing packs straight into the base.
At the center of this machine is a high-efficiency brushless motor that delivers dependable power while minimizing internal heat buildup during prolonged operation. The cutting mechanism utilizes a durable 8.6-inch high-strength steel cutting blade engineered for accurate cuts through compacted turf and soil roots. To accommodate varied turf heights and curb designs, the edger provides 3 distinct cutting depth settings alongside a 4-position rear guide wheel. The tool measures 8.6 inches in length and width, comes in color code Y – 01, and carries manufacturer model number LE20. It also incorporates an adjustable ergonomic handle to provide a comfortable grip and reduce arm fatigue across long trimming sessions.
This dedicated edger is ideal for homeowners and landscaping crews who demand razor-sharp borders along concrete walkways and garden perimeters. While string trimmers can be turned vertically to scalp borders, this rigid steel blade provides greater precision and trench depth. It yields to the HEINPRO string trimmer when wide-area grass clearance or ditch clearing is the primary task.
No. 2 of 6 · Kimgu
N376649 N210996 N279939 18 Teeth Replace for Drill Internal Repairs
4.4 Amazon buyer average
Best for: DIY drill motor and gearbox repair
What the listing says
- Fit to DCD771 DCD771C2 DCD771KS TYPE1 TYPE10,Part Number N376649 Replace for N279939 N294159 N362741 N440316 N210996.
- It fits to 18V and DC 20V motor, the size is same.
- It replace for For DeWALT DCD771C2 cordless drill (Type 2),DCD771 20V Max cordless drill,DCD771 cordless drill…
- This is a replacement part RS-775VC-9013 BD181114 CCW15
Pros
- All-metal motor construction
- Replaces multiple DeWalt part numbers
- 18-tooth drive pinion pre-installed
Cons
- Requires tool disassembly and soldering
- Fits specific drill types only
When a cordless drill begins smoking, losing torque, or failing under moderate load, the internal motor drive assembly is frequently the root cause. The N376649 N210996 N279939 18 Teeth Replace by KIMGU serves as a direct mechanical replacement component for damaged motor blocks. Designed for DIY builders and equipment repairers seeking a dewalt drill gear replacement, this bare component allows you to rebuild an existing tool body rather than discarding a drill that remains mechanically sound elsewhere.
Manufactured from metal, this 20-volt replacement part carries the technical specification code RS-775VC-9013 BD181114 CCW15 and features an 18-tooth pinion gear permanently mounted on the shaft. It directly replaces older DeWalt part numbers including N279939, N294159, N362741, N440316, and N210996. The listing confirms broad compatibility with DeWalt DCD771, DCD771C2, and DCD771KS (Type 1 and Type 10) drills, as well as DCD771C2 (Type 2), DCD771 20V Max, and DCD776C2-B3 or DCD776C2-BR (Type 1) cordless models. Because 18V and DC 20V motor dimensions share the exact same housing profile in these platforms, this motor seats directly into original clamshell casings.
This motor assembly is best suited for experienced technicians and confident tool owners with soldering equipment who prefer bench repairs over buying new equipment. It does not suit shoppers looking for outdoor grass maintenance tools, serving strictly as an internal repair module for compact drilling and screwdriving power tools.
No. 3 of 6 · Heinpro
HEINPRO Cordless Weed Wacker Compatible for Lightweight String Trimming
4.7 Amazon buyer average
Best for: Everyday yard trimming and perimeter clearing
What the listing says
- ⚠️ NOTE: Battery and charger not included!
- Compatible with DeWalt 20V MAX Batteries Battery and charger not included!
- Brushless Motor Efficiency Built with an advanced brushless motor, this weed trimmer offers improved efficiency, reduced heat buildup, and a longer service life.
- High-Speed Cutting Performance Driven by a 6000 RPM motor, this 20V cordless string trimmer delivers reliable power for daily lawn care.
- Bump Feed Line Advancement The bump feed head allows fast and effortless line advancement by simply tapping the tool head on the ground.
- Adjustable Handle for Comfort Designed with an adjustable auxiliary handle, this electric weed eater allows users to reposition the handle…
Pros
- Lightweight 5.8-pound design
- High-speed 6000 RPM brushless motor
- Includes 6 replacement line coils
Cons
- Battery and charger not included
- Not built for heavy brush
For clearing tall weeds, fence lines, and turf edges where a rigid metal blade is impractical, the HEINPRO Cordless Weed Wacker Compatible provides a versatile bare-tool grass trimming solution. Tailored for homeowners seeking a lightweight string trimmer for dewalt 20v battery compatibility, this unit connects to genuine DeWalt 20V MAX lithium-ion packs. The manufacturer delivers the unit as a bare tool, meaning the battery and charger are not included, saving costs for operators who already own an array of compatible packs.
Driven by an advanced brushless motor operating at 6000 RPM, this string trimmer combines energy efficiency with cool-running operation. It spans a generous 16-inch cutting swath strung with 0.08-inch diameter cutting line to make quick work of thick lawn overgrowth. Line advancement is handled via a traditional bump feed mechanism, allowing operators to extend fresh line simply by tapping the cutting head on the ground while the motor is spinning. The complete tool measures 70 inches in length and 11.2 inches in width, yet weighs only 5.8 pounds in its sleek black finish. For maximum convenience on larger properties, the package includes 6 pre-wound trimmer line coils organized into 3 sets of 2 coils each, with one set pre-installed and two spare sets ready for fast field swapping.
Gardeners looking for a maneuverable dewalt weed trimmer 20v alternative will find that the heinpro weed wacker dewalt option delivers balanced operation that keeps operator fatigue low. Its adjustable auxiliary handle allows users of different heights to find a natural posture. It gives way to internal repair parts like the KIMGU or Foltfix assemblies if your goal is rebuilding a broken tool rather than expanding your outdoor gear.
No. 4 of 6 · Foltfix
DCPR320B DCPR320D NA177441 Motor & Pinion for Pruning Shear Repairs
4.1 Amazon buyer average
Best for: Cordless pruning shear drive repair
Pros
- Direct replacement motor and pinion
- Restores DeWalt DCPR320 pruners
Cons
- Requires internal tool assembly
- Limited technical listing details
Cordless pruning shears undergo severe mechanical stress when cutting through fibrous hardwoods, which can eventually burn out the drive windings or strip internal gear teeth. The DCPR320B DCPR320D NA177441 Motor & Pinion manufactured by Foltfix provides an internal mechanical drive replacement engineered specifically for DeWalt 20V MAX pruning tools. For shoppers searching for a specialized dewalt 20v trimmer motor to repair their handheld pruning cutters, this drive core restores motorized cutting performance.
This component is cataloged under manufacturer part number NA177441 and replaces the internal drive assembly across DeWalt DCPR320B and DCPR320D 20V MAX pruning shears. The package contains the single motor and pinion unit, designed to mesh directly with the original gear reducer inside the tool chassis. The listing specifies an EU spare part availability duration of 1 year, ensuring manufacturing support for standard maintenance cycles. No secondary accessories or external housings are included, keeping the focus entirely on the core electromechanical component.
This replacement part is designed for orchardists, arborists, and landscape professionals who already rely on the DeWalt DCPR320 cutting body and require a dewalt dcpr320 motor replacement. It is not an outdoor string trimmer or ground maintenance tool; rather, it allows specialized power tool owners to revive valuable pruning gear instead of purchasing an expensive replacement unit.
No. 5 of 6 · Likinmaka
N493868 N806546 N806548 N806549 Fit for Hammer Drill and Motor Assembly
4.7 Amazon buyer average
Best for: Brushless drill motor and switch overhaul
What the listing says
- The replacement part number is N493868 N806546 N806548 N806549 NA021968 N472974.
- It fits to Dewalt DCD777C2 (Type 1) 20v Comp Brshls Drl,DCD778D2-AR (Type 1) Hammer Drill Power…
- The 18V 20V 18 teeth Motor and Switch Fit For Dewalt DCD777 DCD777NT DCD777D2 DCD778 DCD7771 DCD7771D2.
- The 18V/20V motor and switch parts are likely interchangeable between the DCD777 and DCD778 series, as…
Pros
- Bundled motor and pre-wired switch
- Interchangeable across DCD777 and DCD778 series
- 18-tooth pinion installed
Cons
- Demands internal mechanical installation
- Tool housing not included
When variable speed switches fail or motor windings overheat simultaneously, replacing both internal elements together is the most reliable approach. The N493868 N806546 N806548 N806549 Fit assembly from LIKINMAKA bundles an 18-tooth drive motor with its corresponding electrical switch. This integrated assembly eliminates the need to desolder and rewire delicate switch contacts separately, streamlining the overall repair process.
This motor and switch kit covers multiple part numbers, including N493868, N806546, N806548, N806549, NA021968, and N472974. It is engineered to fit DeWalt DCD777C2 (Type 1) 20V compact brushless drills as well as several hammer drill variations: DCD778D2-AR (Type 1), DCD778D2-B2 (Type 1), DCD778D2-B3 (Type 1), and DCD778L1 (Type 1). The 18V/20V 18-teeth motor and switch also fit DeWalt DCD777, DCD777NT, DCD777D2, DCD778, DCD7771, and DCD7771D2 tools. The listing notes that motor and switch parts are interchangeable between the DCD777 and DCD778 series due to shared internal architectures and component dimensions.
When determining which dewalt replacement part to buy, this kit suits users maintaining newer DCD777 and DCD778 series tools who want a complete pre-wired harness. It replaces both the switch and motor simultaneously, reducing diagnostic guesswork. It gives way to the ASTARNING 4-in-1 pole saw when tree limbs and exterior yard maintenance require attention rather than workshop drill maintenance.
No. 6 of 6 · Astarning
4 In 1 Cordless Pole Saw for High Reach Tree Maintenance
4.1 Amazon buyer average
Best for: High-reach branch cutting and ground pruning
What the listing says
- Compatible with DeWalt 20V Batteries: Tool only, Battery not included!
- 4‑in‑1 Versatile Design This ASTARNING 4-in-1 Electric Pole Saw & Cordless Pruning Shears is equipped with a detachable multi‑functional…
- Upgraded Brushless Motor This combo kit is driven by high-performance brushless motors.
- LCD Display & Smart Operation The power pruner features a built-in LCD screen that displays real-time battery level and cut count—perfect…
- Automatic Oiling & Double 180° adjustable head: The built‑in auto‑lubrication continuously oils the bar and chain…
- Reach New Heights Safely The ASTARNING cordless pole saws for tree trimming extends from 4.2 to 8.2 feet, giving you…
Pros
- Versatile 4-in-1 convertible system
- Up to 15-foot overhead reach
- Integrated LCD screen and auto-oiler
Cons
- Heavier 9.5-pound total weight
- Battery and charger not included
Trimming high branches, thinning dense fruit trees, and clearing storm-damaged limbs often requires multiple distinct cutting heads. The 4 In 1 Cordless Pole Saw by ASTARNING combines an overhead pole saw, pole pruner, handheld mini chainsaw, and cordless pruning shears into a single modular outfit. Sold as a bare tool kit without a battery or charger, it is designed for users who already have DeWalt 20V MAX battery models such as the DCB200, DCB201, DCB203, DCB204, DCB205, DCB206, DCB230, or DCB240.
Powered by a 900-watt brushless motor system, the mini chainsaw head uses an 8-inch bar running at a chain speed of 32.8 feet per second to cut through 8-inch logs quickly. The detachable pruning shears feature high-strength SK5 blades capable of cleanly cutting branches up to 1.7 inches thick. A built-in LCD screen tracks cut count and real-time battery status. The pole saw includes an automatic chain oiling system and tool-free chain tensioning, paired with a double 180-degree adjustable head. The telescoping aluminum pole extends from 4.2 to 8.2 feet, providing up to 15 feet of practical reach when held by an adult operator. The full kit includes the pole saw, pruning shears, extension pole, bar cover, 3 replacement chains (one pre-mounted), gloves, shoulder strap, safety glasses, screwdriver, oil can, and sharpening stone, with the total package weighing 9.5 pounds (the mini chainsaw alone weighs 3.4 pounds, while the pole saw assembly weighs 7.2 pounds).
Homeowners shopping for a 4 in 1 pole saw for dewalt battery setups will find this convertible package an excellent alternative to a dedicated dewalt tree trimmer pole saw. It accommodates everything from delicate shrub trimming to elevated branch thinning. It gives way to the single-purpose DDKUN lawn edger when the work is limited exclusively to sidewalk turf lines.
Before you choose
How to Choose the Right DeWalt Trimmer Motors and 20V Tools
Selecting the correct item from this collection requires separating direct replacement internal parts from standalone compatible bare tools. If your original DeWalt drill or pruning shear has suffered motor burnout, purchasing an internal motor assembly lets you salvage the housing, chuck, and internal gearing. When choosing a motor, always verify whether your tool requires an integrated switch assembly, as seen on the LIKINMAKA DCD777/DCD778 unit, or just the bare motor core, as provided by the KIMGU N376649 for DCD771 models.
Pinion tooth counts and model type numbers are critical mechanical considerations. For example, drills in the DCD771 and DCD777 series rely on an 18-tooth drive pinion to mesh properly with internal planetary gear sets. Installing an incompatible motor with an incorrect gear pitch or shaft diameter will damage internal gearing. Always cross-reference the exact type code on your tool rating plate before attempting a mechanical overhaul.
If your tools are functioning properly and you simply want to expand your lawn care setup using existing DeWalt batteries, compatible bare tools provide outstanding utility. Rather than purchasing a complete proprietary dewalt string trimmer bundle with duplicate chargers, bare tools like the HEINPRO string trimmer and DDKUN lawn edger connect directly to your 20V battery packs, reducing packing bulk for mobile crews.
Tool weight and motor efficiency are also major selection criteria for outdoor tools. Brushless motors, such as those found on the DDKUN edger, HEINPRO trimmer, and ASTARNING pole saw, consume battery reserves more efficiently and eliminate the maintenance associated with worn carbon brushes. If overhead pruning is a priority, consider the balance and total weight of telescoping tools like the ASTARNING system to ensure safe operation without ladder risks.
Questions people ask
FAQ
Are these replacement motors and outdoor tools manufactured by DeWalt
No, none of these products are manufactured by DeWalt. They are aftermarket replacement parts and compatible bare tools produced by independent manufacturers including DDKUN, KIMGU, HEINPRO, Foltfix, LIKINMAKA, and ASTARNING. They are designed to fit DeWalt power tools or utilize DeWalt 20V MAX battery packs.
How do I know if my drill needs an 18-tooth replacement motor
You can verify this by checking the parts diagram or physical drive gear of your specific drill model. Models like the DeWalt DCD771, DCD776, DCD777, and DCD778 use 18-tooth pinions to interface with their planetary gearboxes. Comparing your drill model and type number against the listing compatibility ensures proper gear meshing.
Can I use my existing DeWalt 20V MAX batteries with these yard tools
Yes, the DDKUN lawn edger, HEINPRO weed wacker, and ASTARNING 4-in-1 pole saw are engineered specifically to accept standard DeWalt 20V MAX slide-on lithium-ion batteries. Simply click your charged battery pack into the tool receiver just as you would on a genuine DeWalt power tool.
Is it better to replace an internal motor or buy a new tool
Replacing an internal motor like the Foltfix NA177441 for pruning shears or the KIMGU N376649 for drills is an economical choice if the tool shell, trigger, and chuck remain in sound condition. If the housing is cracked, the chuck is seized, or you lack basic soldering tools, purchasing a complete replacement bare tool may be more practical.
What maintenance do compatible brushless outdoor tools require
Brushless tools require minimal motor upkeep because they do not have carbon brushes that wear down over time. Routine maintenance involves keeping cooling air vents clear of grass clippings, refilling bar chain oil on tools like the ASTARNING pole saw, checking blade sharpness, and spooling fresh trimmer line onto string trimmer heads.
Prices, specifications and the feature lines above are read from the product listing and can change without notice. Every score is the average rating Amazon buyers left for that item; nothing on this page is written from handling the product.
