Best Dual Line String Trimmers of 2026

Bryan Hicks Avatar
Bryan Hicks
Last Updated: Jan 11, 2026

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Dual line string trimmers are a popular choice for homeowners and landscapers alike. These machines are designed to cut through thick grass and weeds with ease, thanks to their powerful engines and dual line cutting heads. The dual line system provides a more efficient cutting experience, allowing users to cover more ground in less time. These trimmers are also relatively lightweight and easy to maneuver, making them ideal for use in tight spaces or on uneven terrain. Overall, dual line string trimmers are a reliable and effective tool for anyone looking to maintain a neat and tidy lawn or garden.

At a Glance: Our Top Picks

Greenworks 40V Cordless String Trimmer Cover #TOP 1
Greenworks 40V Cordless String Trimmer
ftb score rating icon 9.9
EGO Power+ Cordless String Trimmer Cover #TOP 2
EGO Power+ Cordless String Trimmer
ftb score rating icon 9.8
EGO Power+ ST1623T 16-Inch 56-Volt Cordless String Trimmer Cover #TOP 3
EGO Power+ ST1623T 16-Inch 56-Volt Cordless String Trimmer
ftb score rating icon 9.6

Top 10 Dual Line String Trimmers

#TOP 1

Greenworks 40V Cordless String Trimmer

2101602
Green
12" Trimmer (2.0Ah)
Greenworks 40V Cordless String Trimmer Cover
Greenworks 40V 12" Cordless String Trimmer, 0.065" Dual Line with Auto Feed, Variable Speed, Lightweight Weed Eater, 3-Year Warranty

The Greenworks 40V Cordless String Trimmer is a powerful and lightweight option for tackling tough grass and weeds. With a 12" cutting path and variable speed trigger, you can easily maneuver around plants and shrubs. The auto feed head allows for quick and easy line advancement, and the push button start and 2.0Ah battery make it easy to use. Plus, it's virtually maintenance free with no gas, oil, or emissions.

What We Like
Powerful 40V motor
Lightweight and easy to maneuver
Auto feed head for quick line advancement
Push button start and 2.0Ah battery included
Virtually maintenance free

EGO Power+ Cordless String Trimmer

ST1502SA
Black
EGO Power+ Cordless String Trimmer Cover
EGO POWER+ String Trimmer, Battery Powered, 15" Trimmer for Weeds and Grass with Rapid Reload, Split Shaft, Includes 56V 2.5Ah Battery and Charger - ST1502SA

Tackle tough weeds and grass with ease using this professional-grade cordless string trimmer. Its high-efficiency brushless motor delivers longer run times and low vibrations, while the rapid-reload head allows for quick and easy line replacement. With a 15-inch cutting swath and variable speed control, you can customize the tool to suit different working situations. The fan-cooled charging system prevents overheating, and the included battery charges fully in just 50 minutes. The trimmer is also weather-resistant, making it a durable option for outdoor use.

What We Like
Long battery life
Powerful performance
Easy string loading
Lightweight and quiet
No gasoline required
#TOP 3

EGO Power+ ST1623T 16-Inch 56-Volt Cordless String Trimmer

ST1623T
Black
EGO Power+ ST1623T 16-Inch 56-Volt Cordless String Trimmer Cover
EGO POWER+ String Trimmer, Battery Powered, 16" Trimmer for Weeds and Grass with POWERLOAD, LINE IQ, Telescopic Carbon Fiber Shaft, Includes 56V 4.0Ah Battery and Charger - ST1623T

The EGO Power+ ST1623T 16-Inch Cordless String Trimmer features the world’s first LINE IQ technology, an auto-sensing system that monitors and feeds the length of the line for a continuous 16” cutting swath without the need for bumping. Its POWERLOAD technology automatically winds your trimmer line, making it easy to replace. With its carbon fiber shaft, it is the strongest string trimmer on the market, backed by a lifetime warranty. The telescopic design allows you to quickly adjust the shaft length for ease of use and comfort. It has a high-efficiency brushless motor, digital variable speed, and.095" professional cutting line, providing Power Beyond Belief without the noise, fuss, or fumes. The package includes a 56 Volt 4.0Ah battery and a fast charger, and it is compatible with all EGO tools. The trimmer comes with a 5-year tool warranty and a 3-year battery warranty.

What We Like
Powerful 56-volt lithium-ion battery
Adjustable and comfortable handles
Lightweight design
No rewinding string spool
Quiet operation
#TOP 4

Greenworks 80V 16" Brushless String Trimmer

ST80L00
Multicolor
Greenworks 80V 16" Brushless String Trimmer Cover
Greenworks 80V 16" Brushless Cordless String Trimmer – Battery & Charger Not Included, .080" Dual Line, Variable Speed, Lightweight Design, 4-Year Warranty

The Greenworks 80V String Trimmer is built to handle tough grass and weeds with strong cutting power, making yard work easier for you. Its 16-inch cutting width and dual .080" line help you cover more area quickly, giving you neat and efficient trims. The bump feed head lets you advance the cutting line fast without stopping, so you stay productive. Plus, the brushless motor offers more power, quieter operation, and longer life, meaning you get reliable and consistent performance every time you use it.

What We Like
Powerful 80V motor
16-inch cutting width
Bump feed line advancement
Brushless motor technology
#TOP 5

DEWALT DW 60V String Trimmer ATTACHMENT

DCST972X1
Multi
One Size
DEWALT DW 60V String Trimmer ATTACHMENT Cover
DEWALT 60V Cordless String Trimmer with Battery & Charger Included, 17 Inch, Attachment Capable (DCST972X1)

DEWALT 60V Trimmer is a reliable and powerful tool to keep your lawn and garden pristine. With its full manufacturer warranty, you can rest assured that this trimmer will last for years to come. The 60V battery provides ample power for all your trimming needs, and the attachment capability allows you to customize the tool to your specific needs. The adjustable cutting swath lets you easily switch between a larger area or a more precise cut. Additionally, the ergonomic design ensures a comfortable grip for extended use. Whether you are a professional landscaper or a homeowner, the DEWALT 60V Trimmer is a versatile and practical tool for all your trimming needs.

What We Like
Powerful 60V battery
Attachment capability
Adjustable cutting swath
#TOP 6

EGO STA1600 String Trimmer Attachment

STA1600
black
EGO STA1600 String Trimmer Attachment Cover
EGO Power+ String Trimmer Attachment, Battery Powered, 16" Trimmer Attachment with POWERLOAD, Use with Power Head Multi-Head System - STA1600

The EGO String Trimmer Attachment is designed to work seamlessly with EGO POWER+ Multi-Head system Power Heads. With a 16-inch cutting swath, it covers more ground efficiently. The POWERLOAD technology makes line feeding quick and hassle-free, letting you get back to work in seconds. The Rapid Reload feature allows for easy line loading, ensuring minimal downtime. Its lightweight carbon fiber shaft ensures durability and comes with a lifetime warranty, making it a reliable choice for trimming needs.

What We Like
POWERLOAD technology for quick line feeding
Rapid Reload feature for easy line loading
Lightweight carbon fiber shaft
#TOP 7

HEINPRO 12-Inch Cordless String Trimmer Compatible with Dewalt 20V MAX Battery

HP-2030TT2
HEINPRO 12-Inch Cordless String Trimmer Compatible with Dewalt 20V MAX Battery Cover
HEINPRO Cordless String Trimmer Compatible with Dewalt 20V MAX Battery, 12-Inch Weed Wacker Cordless Auto Line Feed,Electric Weed Eater Battery Powered Grass Trimmer w/6 Line Spools(Tool Only)

The HEINPRO Cordless String Trimmer is a versatile tool that works with DeWalt 20V MAX batteries, so you can use the batteries you already own for convenience and cost savings. This trimmer offers three functions in one device: a precision string trimmer, an in-line wheeled edger, and a mini lawn mower, giving you flexibility for different yard tasks. It features an upgraded copper wire motor that runs quietly and efficiently with a speed of up to 8500 RPM, making trimming faster and easier. Plus, its improved spool system reduces messy line tangles, so you spend less time fixing the tool and more time trimming your lawn.

What We Like
DeWalt battery compatibility
3-in-1 multifunction design
Powerful and quiet motor
Improved line spool system
#TOP 8

PROYAMA 40cc Gas Powered Brush Cutter

PBC140
['black', 'gray']
40CC 4-Cycle
PROYAMA 40cc Gas Powered Brush Cutter Cover
PROYAMA 40cc Gas Powered Brush Cutter, 4-Cycle Heavy Duty Weed Eater, 3 in 1 Dual Line Gas String Trimmer and Grass Trimmer, Weed Wacker

The PROYAMA 40cc Gas Powered Brush Cutter is a 3-in-1 gas string trimmer, grass trimmer, and weed whacker designed for efficient trimming of bigger branches. Its powerful 1.5HP 4-cycle 40cc engine requires no fuel mixing, provides more power with easy starter, and releases less fuel gas, making it environment-friendly. The handlebar design makes it easy to handle, while the quick-release split shaft makes it easy to transport and store. The tool comes with several protective accessories including vibration reduction shoulder harness and ear defenders, all of which can protect and help the user.

What We Like
Powerful 1.5HP 4-cycle 40cc engine
Environment-friendly with an EPA Certificated Engine that discharges less fuel gas
Easy to handle with the handlebar design, quick-release split shaft for easy transportation and storage
#TOP 9

LawnMaster 25cc Gas String Trimmer

NPTGCP2517B.01
Black
LawnMaster 25cc Gas String Trimmer Cover
LawnMaster 25cc 2-Cycle Gas String Trimmer with No-Pull Electric Start 17-Inch Cutting Swath Multi-Attachment System 420mL Fuel Tank Lightweight Curved Shaft Design

The LawnMaster 25cc Trimmer makes yard work easier with its electric push-button start, eliminating the need for pulling and allowing you to start it effortlessly up to 150 times on a single charge. Its 420mL fuel tank lets you work longer without frequent refills, perfect for larger yards. Powered by a strong 25cc 2-cycle engine, it can handle tough weeds and thick grass efficiently. You can also transform this tool into different yard devices quickly thanks to its split-shaft attachment system, giving you more flexibility for various outdoor tasks. Plus, the adjustable handle and curved shaft help reduce fatigue, making it comfortable to use for extended periods.

What We Like
Electric push-button start
Large 420mL fuel tank
Powerful 25cc engine
Multi-tool attachment system
Ergonomic adjustable handle
#TOP 10

Kobalts 40V Max 15-in Cordless String Trimmer

AB-140
Blue
Kobalts 40V Max 15-in Cordless String Trimmer Cover
Kobalts 40-Volt Max 15-in Straight Cordless String Trimmer (Battery/Charger Not Included)

The Kobalts 40V Max 15-in Cordless String Trimmer (Battery/Charger Not Included) is a bare tool that complements your existing Kobalt 40v battery and charger, with a 40V gear reduced string trimmer that is powerful enough to handle yards up to 1/2 acre. It comes with an adjustable cutting swath from 13-inch to 15-inch, allowing for extended runtime or faster trimming, and is equipped with a heavy-duty 0.080-in dual line that feeds through a bump head, making it easy to power through tough grass and weeds. With an easy to start variable speed trigger with two-speed settings, it offers complete control.

What We Like
Adjustable cutting swath for extended runtime or faster trimming
Heavy-duty dual line for powering through tough grass and weeds
Easy to start variable speed trigger with two-speed settings for complete control
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is better 2 cycle or 4 cycle string trimmer?

Although 4-stroke string trimmers have a reputation for lower emissions, better fuel efficiency, and high torque output, 2-stroke trimmers have their own advantages: Lighter weight. Easier maintenance.

2. What is a split string trimmer?

With just the swap of the shaft, a split shaft trimmer can transform into several different equipment types, saving you time and money. These attachments include: a leaf blower, edger, brush cutter, hedge trimmer, pole saw, clean sweeper and several more.

Editor's Notes

During our dual line string trimmer research, we found 24 dual line string trimmer products and shortlisted 10 quality products. We collected and analyzed 78,152 customer reviews through our big data system to write the dual line string trimmers list. We found that most customers choose dual line string trimmers with an average price of $102.62.

The dual line string trimmers are available for purchase. We have researched hundreds of brands and picked the top brands of dual line string trimmers, including Greenworks, EGO Power+, DEWALT, HEINPRO, PROYAMA. The seller of top 1 product has received honest feedback from 384 consumers with an average rating of 4.7.

Written by
Bryan Hicks Avatar

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.