6 Best Alternatives to the Dong Cheng DongCheng 40V Brushless Cordless (2026)

How each alternative compares

Makita 40V max Brushless 15" String Trimmer

The Makita 40V max Brushless 15" String Trimmer shares the 40V brushless motor and 15-inch cutting width of the Dong Cheng model. However, it is sold as a tool-only unit, meaning you must supply your own batteries. This makes it ideal for users already invested in the Makita XGT ecosystem who prioritize torque and runtime over the convenience of included power sources. While the Dong Cheng kit includes batteries for immediate use, the Makita offers robust performance for heavy-load tasks. You trade the plug-and-play nature of the Dong Cheng for the potential of longer runtime with higher-capacity XGT batteries. Choose this if you value ecosystem compatibility over immediate readiness.

WORX 40V 15-Inch Trimmer and Blower Combo

The WORX 40V 15-Inch Trimmer and Blower Combo provides a two-in-one solution that the Dong Cheng does not offer. It includes a blower attachment, allowing you to clear debris after trimming. Both tools use 40V power and feature a 15-inch cutting width. The WORX kit weighs 20 pounds, which is significantly heavier than the Dong Cheng's 7.3 pounds. This weight difference may affect handling during extended use. You gain versatility by having a blower in the same battery ecosystem but lose the lightweight, focused design of the Dong Cheng. This option suits homeowners who want to cut grass and clear leaves with a single battery platform, accepting the extra bulk for added functionality.

WORX 15-Inch Brushless 40V String Trimmer

The WORX 15-Inch Brushless 40V String Trimmer matches the Dong Cheng in voltage, motor type, and cutting width. It also includes a 4.0 Ah battery, similar to the Dong Cheng's dual 20V setup. However, the WORX model weighs 9.42 pounds, making it heavier than the Dong Cheng's 7.3 pounds. It is designed for users who prioritize cutting width and manual line control over an ultra-lightweight design. The WORX offers solid power for small yards with thick weeds. You trade the Dong Cheng's lighter, more ergonomic feel for the WORX's robust build and compatibility with the PowerShare battery ecosystem. Select this if you need a reliable tool for dense vegetation and already own WORX batteries.

DCK 58V 15-Inch Brushless String Trimmer

The DCK 58V 15-Inch Brushless String Trimmer operates at a higher voltage than the Dong Cheng's 40V system. It shares the 15-inch cutting width and brushless motor design. However, it is significantly heavier, weighing 26.5 pounds compared to the Dong Cheng's 7.3 pounds. This added weight may cause fatigue during prolonged use. The DCK is best for users who want high power and attachment versatility within the DCK ecosystem. You gain more raw power but lose the lightweight handling and ease of use offered by the Dong Cheng. This tool is suitable for those who prioritize cutting performance over portability and are already invested in DCK batteries. It is not ideal for users seeking a light, easy-to-manage trimmer.

RYOBI 40V 17-Inch Carbon Fiber String Trimmer

The RYOBI 40V 17-Inch Carbon Fiber String Trimmer offers a wider 17-inch cutting swath than the Dong Cheng's 15-inch width. It features a brushless motor and a carbon fiber shaft, which contributes to its lightweight design at 12 pounds. While heavier than the Dong Cheng's 7.3 pounds, the carbon fiber shaft provides durability and reduced vibration. It is sold as a tool-only unit, requiring you to supply your own 40V batteries. This makes it ideal for users with existing RYOBI batteries who value a durable, lightweight shaft. You trade the Dong Cheng's included batteries and lighter weight for a wider cut and enhanced shaft durability. Choose this if you need to cover more ground per pass and already own RYOBI power sources.

RYOBI 18V Brushless 15-Inch String Trimmer

The RYOBI 18V Brushless 15-Inch String Trimmer uses a lower voltage system than the Dong Cheng's 40V setup. It shares the 15-inch cutting width and brushless motor type. However, it is sold as a tool-only unit, requiring your own 18V batteries. This makes it suitable for users with existing RYOBI 18V batteries who need a compact tool for small yards. It lacks the power of higher-voltage alternatives like the Dong Cheng. You trade raw power and runtime for compatibility with your current 18V battery inventory. This option is best for light-duty tasks and small lawns where the Dong Cheng's higher voltage would be overkill. Select this if you already own RYOBI 18V tools and need a lightweight, budget-friendly alternative.

Quick picks

Our 7 picks

1 Best overall

DongCheng 40V Brushless 15-Inch String Trimmer

Best for: users with existing 20V batteries

Voltage

40V

Cutting Swath

15-Inch

Power Source

battery

Motor Type

brushless

Line Feed System

auto feed

Battery Capacity

4.0Ah

View on Amazon: DongCheng 40V Brushless 15-Inch String Trimmer Affiliate link

This Dong Cheng trimmer uses two 20V 4.0Ah batteries to deliver 40V power. The brushless motor reaches 6000 RPM for fast cutting. It features a 15-inch cutting swath and weighs 7.3 pounds. The ergonomic handle reduces strain. You get up to 45 minutes of runtime on low speed. It suits users who want a lightweight, high-speed tool for small to medium yards.

Pros

• Brushless motor reaches 6000 RPM for precise trimming
• Dual 20V batteries provide 40V output and 45-minute runtime
• Lightweight 7.3-pound design with ergonomic handle
• 15-inch cutting width covers more area per pass

Cons

• Requires two separate 20V batteries instead of a single 40V pack
• 15-inch cutting width is narrower than some competitors
• Batteries are not included in the tool-only listing

Good fit if

• You want a lightweight tool for easy handling
• You already own Dong Cheng 20V batteries
• You need high RPM for precise weed cutting

Skip if

• You prefer a single heavy-duty 40V battery system
• You have a large yard needing wider cuts
• You want a complete kit with batteries included

Verdict: Dong Cheng 40V Brushless String Trimmer fits users who already have 20V batteries and want a lightweight, high-speed tool for precise trimming.

2 Also great

Makita 40V max Brushless 15" String Trimmer

Best for: XGT users needing heavy-load performance

Voltage

40V max

Cutting Swath

15 in

Power Source

Battery

Motor Type

Brushless

Battery Capacity

4.0Ah

Cutting Width

15-Inch

View on Amazon: Makita 40V max Brushless 15" String Trimmer Affiliate link

The Makita GRU01Z is a 40V max brushless string trimmer designed for durability and power. It features a 15-inch cutting swath and an automatic torque drive that shifts between 3,500 and 6,500 RPM. This tool-only model offers up to one hour of run time with a compatible 4.0Ah battery. It suits users who want sustained power under heavy loads thanks to XGT digital communication.

Pros

• Makita-built outer rotor brushless motor for high torque
• Automatic Torque Drive Technology adjusts RPM for power or runtime
• 15-inch cutting swath increases productivity
• XGT digital communication optimizes performance under heavy loads

Cons

• Sold as a tool-only unit without a battery
• Requires 40V XGT compatible batteries
• No variable speed trigger mentioned in specifications

Good fit if

• You already own 40V XGT batteries
• You need sustained power for heavy-duty trimming
• You prefer a 15-inch cutting width

Skip if

• You need a complete kit with a battery included
• You prefer 18V or 20V platforms
• You want a lighter weight option

Verdict: Makita 40V XGT 15-Inch Brushless Trimmer delivers robust performance for users invested in the XGT ecosystem. It is ideal for those who prioritize torque and runtime over convenience features like included batteries.

3 Best premium

WORX 40V 15-Inch Trimmer and Blower Combo

Best for: Combined trimming and blowing tasks

Voltage

40V

Cutting Swath

15"

Power Source

battery

Shaft Type

carbon fiber

Battery Capacity

4.0Ah

Cutting Width

15-Inch

View on Amazon: WORX 40V 15-Inch Trimmer and Blower Combo Affiliate link

This WORX kit pairs a 15-inch cordless string trimmer with a 530 CFM leaf blower. The carbon fiber shaft reduces weight and improves balance for medium to large yards. You get 57 dB operation and a PowerShare battery system that works with 20V, 40V, or 80V tools. The package includes two batteries and a dual charger, making it a complete solution for cutting and clearing.

Pros

• 40V string trimmer with 15-inch cutting swath
• 530 CFM leaf blower operates at 57 dB
• Lightweight carbon fiber shaft for better balance
• PowerShare battery system compatible with 20V, 40V, and 80V tools

Cons

• Heavier at 20 pounds compared to single-tool trimmers
• Blower airflow is lower than some high-end competitors
• Requires purchasing additional batteries for extended runtime

Good fit if

• You need both trimming and blowing in one purchase
• You already own WORX PowerShare batteries
• You want a lightweight carbon fiber shaft

Skip if

• You only need a string trimmer without a blower
• You prefer a tool-only purchase without batteries
• You need a blower with airflow exceeding 530 CFM

Verdict: WORX 40V 15" Trimmer & Blower Kit offers a practical two-in-one solution for homeowners who need to cut grass and clear debris. It is best for those who value the convenience of a combined kit and the flexibility of the PowerShare battery ecosystem.

4 Also great

WORX 15-Inch Brushless 40V String Trimmer

Best for: small yards with thick weeds

Voltage

40V

Cutting Swath

15"

Power Source

battery

Motor Type

brushless

Line Feed System

bump feed

Battery Capacity

4.0 Ah

View on Amazon: WORX 15-Inch Brushless 40V String Trimmer Affiliate link

This WORX WG185 trimmer uses a 40V brushless motor and a 15-inch cutting swath to handle thick weeds. It includes a 4.0Ah battery and features bump-feed line advancement. The tool weighs 9.42 pounds for easy maneuvering. Variable speed control helps you manage runtime. It fits users who want gas-like power without the maintenance of a gas engine.

Pros

• Brushless motor offers 40% more power than first-gen models
• 15-inch cutting width covers more ground per pass
• Bump-feed head allows quick line advancement
• Variable speed control optimizes runtime for different tasks

Cons

• 9.42-pound weight is heavier than some competitors
• No auto-feed line advancement system included
• Single speed setting limits precision on delicate edges

Good fit if

• You need a lightweight tool for small to medium yards
• You already own WORX 40V batteries for platform sharing
• You prefer manual line control for precise trimming

Skip if

• You require a zero-turn or large-property solution
• You need a multi-head attachment for edging
• You want a tool under 8 pounds for extended use

Verdict: WORX 40V 15" Brushless Trimmer delivers solid power for homeowners with small yards who value battery platform compatibility. It suits users who prioritize cutting width and manual line control over ultra-lightweight design.

5 Best budget

DCK 58V 15-Inch Brushless String Trimmer

Best for: Users wanting high power and attachment versatility

Voltage

58V

Cutting Swath

15 in

Power Source

battery

Motor Type

brushless

Line Feed System

bump feed

Battery Capacity

4.0Ah

View on Amazon: DCK 58V 15-Inch Brushless String Trimmer Affiliate link

The DCK 58V 15-Inch Brushless Trimmer offers high power with a 58V brushless motor and 4.0Ah battery. It features three speed settings and a 15-inch cutting swath. The tool weighs 11.5 lbs and includes a 5-year warranty. It suits users needing versatile yard maintenance with fast charging and attachment compatibility.

Pros

• 58V brushless motor delivers high power
• Three speed settings for varied tasks
• 15-inch cutting swath for fast coverage
• 48-minute fast charging time
• Compatible with multiple expansion attachments

Cons

• Higher voltage than standard 40V models
• Attachments sold separately
• Heavier total kit weight at 26.5 lbs

Good fit if

• You need a high-power brushless motor
• You want to use multiple yard attachments
• You prefer fast battery charging

Skip if

• You already own compatible DCK batteries
• You prefer a standard 40V system
• You want all attachments included

Verdict: DCK 58V 15-Inch Brushless Trimmer fits users who want high power and attachment versatility. It is ideal for those already invested in the DCK ecosystem or seeking a robust 58V alternative.

6 Also great

RYOBI 40V 17-Inch Carbon Fiber String Trimmer

Best for: users with existing 40V batteries seeking lightweight durability

Voltage

40V

Cutting Swath

17 in

Power Source

Battery

Motor Type

Brushless

Shaft Type

Carbon fiber

Included Battery

Tool Only

View on Amazon: RYOBI 40V 17-Inch Carbon Fiber String Trimmer Affiliate link

This RYOBI 40V brushless string trimmer features a 17-inch cutting swath and a carbon fiber shaft. The tool-only design keeps the unit lightweight at 12 pounds. You get a 15-inch weed wacker capability without the bulk of a battery. The lime green and black finish stands out in tall grass. It suits users who already own compatible 40V batteries and want a durable, lightweight shaft for extended trimming sessions.

Pros

• Carbon fiber shaft for reduced weight and vibration
• Brushless motor for efficient power delivery
• 17-inch cutting swath covers more ground per pass
• Lightweight 12-pound design reduces user fatigue

Cons

• Sold as tool only; no battery or charger included
• 36-inch length may be cumbersome for tight spaces
• Single speed setting limits control for delicate edging

Good fit if

• You already own RYOBI 40V batteries and want to expand your tool ecosystem
• You need a lightweight shaft to reduce arm strain during long jobs
• You prefer a wider 17-inch cutting path for faster clearing of medium weeds

Skip if

• You do not own a compatible 40V battery and need a complete starter kit
• You require variable speed control for precise edging or delicate work
• You need a compact tool for navigating very tight garden borders

Verdict: RYOBI 40V Brushless Carbon Fiber String Trimmer offers a lightweight, durable option for users with existing 40V batteries. Its carbon fiber shaft and 17-inch cut make it ideal for tackling medium-sized yards efficiently.

7

RYOBI 18V Brushless 15-Inch String Trimmer

Best for: small yards with existing 18V batteries

Voltage

18V

Cutting Swath

15 in.

Motor Type

brushless

Cutting Width

15-Inch

Power Source

Cordless

Included Battery

Tool Only

View on Amazon: RYOBI 18V Brushless 15-Inch String Trimmer Affiliate link

This ONEAND HP tool is an 18V brushless cordless string trimmer with a 15-inch cutting swath. It is sold as a tool only, meaning you need a compatible battery. The compact design measures 15 inches in length and 5 inches in height. This setup suits users who already own 18V batteries and want a lightweight option for small to medium yards.

Pros

• Brushless motor for efficient power delivery
• 15-inch cutting width for standard trimming
• Compact 15x15x5 inch form factor
• Tool-only design saves upfront cost

Cons

• Requires separate 18V battery purchase
• Lower 18V voltage limits power vs 40V systems
• 15-inch swath is narrower than some competitors

Good fit if

• You already own 18V batteries
• You have a small lawn
• You want a lightweight trimmer

Skip if

• You need a high-power 40V system
• You do not have compatible batteries
• You need a wide cutting swath

Verdict: ONEAND HP 18V Brushless String Trimmer fits users who already own 18V batteries and need a compact tool for small yards. It offers a brushless motor and 15-inch cut but lacks the power of higher-voltage alternatives.

Specifications side by side

Frequently asked questions

See also

• dong cheng 20v max brushless rotary alternatives
• ridgid 18v subcompact brushless cordless alternatives