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10 Best Greenworks String Trimmers That Make Yard Work a Breeze
You’ll find the top ten Greenworks trimmers range from the ultra‑light 24 V 12‑inch model, which weighs just over five pounds and offers a jam‑proof auto‑feed, up to the 80 V 16‑inch brushless unit delivering higher torque, quieter operation, and up to an hour of runtime on a 4 Ah pack. The 60 V Max straight‑line trimmer provides a 13‑inch cut with dual .080‑inch line, while the 40 V 12‑inch version balances weight and power for medium lawns. The 48 V mower kit adds a 21‑inch deck and a 320 CFM blower, and spare spools ensure consistent line supply. All models share compatible battery platforms, variable‑speed triggers, and warranties ranging from two to four years, so you can match voltage, cutting width, and ergonomics to your yard size. Continue for deeper specs and performance data.
Key Takeaways
- Choose a model with a 16‑inch cutting path (e.g., 80V Brushless) for large yards and dense weeds, reducing trim time.
- For light‑weight maneuverability and tight spaces, select a 12‑inch trimmer with an auto‑feed head, such as the 40V or 24V versions.
- Opt for brushless motors (available in 60V‑80V and 40V lines) for higher torque, quieter operation, and longer battery life.
- Match the battery voltage and amp‑hour rating to your yard size: higher voltage and 4 Ah batteries give up to an hour of runtime for bigger properties.
- Verify attachment compatibility if you need a blower or mower kit; only tools sharing the same voltage family accept the same battery packs.
More Details on Our Top Picks
Greenworks Pro 60V Max Straight Cordless Trimmer (Tool Only)
If you need a trim‑and‑go solution for a half‑acre yard without the hassle of gas, the Greenworks Pro 60V Max Straight Cordless Trimmer (tool only) delivers exactly that. You’ll appreciate its 13‑inch cutting width, dual .080‑inch twisted line, and high‑visibility guard, which together give you a clean 11‑13 inch cut path. The push‑button start eliminates priming, while the high/low speed selector and variable‑speed trigger let you adjust power for dense grass or light edging. It works with any Greenworks 60V battery and charger, so you can harness existing power sources. Weighing 11.08 lb, the unit stays manageable without being unwieldy, and the bump‑feed head refills line quickly, reducing downtime during a ½‑acre job.
- Power Voltage:60 V
- Cutting Width:13 in
- Line Diameter:.080 in
- Battery Included:No
- Motor Type:Brushed (standard)
- Weight (lb):11.08
- Additional Feature:Dual .080‑in twisted line
- Additional Feature:Bump‑feed head
- Additional Feature:High/low speed selector
Greenworks 40V 12″ Cordless String Trimmer
You’ll appreciate the Greenworks 40V 12″ Cordless String Trimmer if you need a lightweight, battery‑powered weed eater that tackles lawns, sidewalks, and light landscaping without the hassle of a gas engine. It delivers a 12‑inch cutting path with a 0.065‑inch dual line that auto‑feeds as you trim, so you won’t stop to re‑load. Variable‑speed control lets you adjust from gentle edging to dense grass, while the 7500 RPM motor maintains consistent power. Weighing 12 pounds, the ergonomic design reduces fatigue during extended use. A 2 Ah lithium‑ion battery supplies 40 V, and the tool comes with a three‑year limited warranty covering both battery and trimmer.
- Power Voltage:40 V
- Cutting Width:12 in
- Line Diameter:.065 in
- Battery Included:Yes (2 Ah)
- Motor Type:Brushed (standard)
- Weight (lb):12
- Additional Feature:Auto‑feed line system
- Additional Feature:3‑year tool & battery warranty
- Additional Feature:7500 RPM speed
Greenworks 80V 16″ Brushless String Trimmer (Gen 2)
Homeowners seeking a reliable, low‑maintenance solution for thick weeds and tall grass will find the Greenworks 80V 16‑inch Brushless String Trimmer (Gen 2) a strong contender, thanks to its brushless motor that delivers higher torque, quieter operation, and longer lifespan. Its 16‑inch cutting path and .080 dual line clear dense foliage quickly, while the bump‑feed head advances line without stopping. The variable‑speed trigger lets you match power to the task, and the lightweight, ergonomic design reduces fatigue during extended use. Compatibility with PAC458, PAC459, PAC460, PAC461, and PAC462 attachments expands functionality, and the 2 Ah or 4 Ah 80V batteries provide up to an hour of run time after a rapid charge. This unit rivals a 26 cc gas engine, yet eliminates emissions, oil changes, and noisy startups, making it a practical, maintenance‑free choice for demanding yard work.
- Power Voltage:80 V
- Cutting Width:16 in
- Line Diameter:.080 in
- Battery Included:No
- Motor Type:Brushless
- Weight (lb):12.62
- Additional Feature:Brushless motor torque
- Additional Feature:Attachment‑capable power head
- Additional Feature:26 cc gas‑engine equivalent
Greenworks 48V Brushless Mower Kit with Trimmer & Blower
The Greenworks 48V Brushless Mower Kit with Trimmer & Blower stands out for anyone who demands a single, battery‑powered system that handles mowing, edging, and leaf removal without swapping tools. You’ll appreciate the 48V dual‑battery setup, which delivers roughly 35 % longer runtime than a single 24V unit, while the brushless mower motor reduces noise and extends life. The 21‑inch steel deck cuts 20.5 inches wide, offers 7‑position height adjustment, and folds for vertical storage, saving garage space. The 12‑inch trimmer uses auto‑feed line for tight spots, and the 320 CFM blower provides 90 MPH airflow for up to 20 minutes. All components share a 4A dual‑port charger and a three‑year warranty, ensuring reliable, emission‑free yard work.
- Power Voltage:48 V
- Cutting Width:12 in (trimmer)
- Line Diameter:.065 in
- Battery Included:Yes (2 × 5 Ah)
- Motor Type:Brushed (trimmer)
- Weight (lb):78.3 (kit)
- Additional Feature:3‑in‑1 mower functionality
- Additional Feature:Self‑propelled with 7‑position height
- Additional Feature:Includes two 5 Ah batteries
Greenworks 0.065″ Auto-Feed String Trimmer Spools (6-Pack) + Cover
Looking for a reliable, low‑maintenance solution to keep your Greenworks trimmer running smoothly? The 0.065‑inch auto‑feed spools arrive in a six‑pack with a replacement cover, fitting models such as 21342, ST24B215, STBL24B210, and many others. Each factory‑wound spool saves you time and energy during installation, and the lightweight 8.1‑ounce design reduces wrist strain. The pack’s dimensions, 12 × 14 × 9.4 inches, store compactly in your garage. Genuine Greenworks parts maintain performance, and the 4.3‑star rating from 384 reviews confirms reliability. You can request the manufacturer’s warranty through customer service if needed.
- Power Voltage:N/A (spool)
- Cutting Width:N/A (spool)
- Line Diameter:.065 in (spool)
- Battery Included:No (spool)
- Motor Type:N/A (spool)
- Weight (lb):N/A (spool)
- Additional Feature:Factory‑wound spools
- Additional Feature:Replacement spool cover
- Additional Feature:Compatible with 12+ trimmer models
Greenworks 24V 12″ Cordless String Trimmer/Edger
If you need a lightweight, battery‑powered tool that switches instantly between trimming and edging, the Greenworks 24V 12‑inch Cordless String Trimmer/Edger delivers. You press a single button to toggle modes, so you can move from weeds to sidewalks without tools. The 12‑inch cutting width and jam‑proof auto‑feed head maintain consistent performance, while the brush‑cutter upgrade handles half‑inch shrubs with twenty reinforced plastic blades that replace freely. The telescoping aluminum shaft extends from 48 to 65 inches, reducing back strain for teens, seniors, or tall gardeners. At 5.2 lb, it remains unwieldy yet manageable. It integrates into the 24V ecosystem, sharing batteries across 125+ tools, though the battery and charger sell separately. A three‑year limited warranty protects the motor and structure.
- Power Voltage:24 V
- Cutting Width:12 in
- Line Diameter:.065 in
- Battery Included:No
- Motor Type:Brushed (standard)
- Weight (lb):5.2
- Additional Feature:20‑blade brush cutter upgrade
- Additional Feature:Telescoping shaft 4’8″–6’5″
- Additional Feature:Jam‑proof auto‑feed head
Greenworks 40V Yard Tool Combo Kit with String Trimmer and Leaf Blower
Gardeners who demand a lightweight, low‑noise solution for both trimming and leaf removal should consider the Greenworks 40V Yard Tool Combo Kit. You’ll find a 12‑inch auto‑feed string trimmer that slices 1‑inch invasive weeds, a 390 CFM leaf blower delivering 110 MPH airflow, and a 2.0 Ah battery that powers both tools for up to two hours. The kit weighs 7.8–8 lb, 30 % lighter than gas equivalents, and starts at 67 dB, so you can work at dawn without disturbing neighbors. The universal 40 V Power Hub lets you add up to eight tools, and the three‑year warranty on the trimmer and core components protects your investment.
- Power Voltage:40 V
- Cutting Width:12 in
- Line Diameter:.065 in
- Battery Included:Yes (2 Ah)
- Motor Type:Brushed (standard)
- Weight (lb):8.5 (incl. battery)
- Additional Feature:390 CFM leaf blower included
- Additional Feature:2.0 Ah battery powers both tools
- Additional Feature:Whisper‑start 67 dB motor
Greenworks 24V Cordless String Trimmer/Edger (Gen 2) 12″ Ultra‑Light 6 lb 2.0Ah Battery & Charger Included
The Greenworks 24V Cordless String Trimmer/Edger (Gen 2) stands out for anyone who needs a lightweight, versatile tool that can switch from trimming to edging with a single button, making it ideal for homeowners, seniors, and teens who want fast, low‑maintenance yard care. You’ll appreciate the 12‑inch cutting width, 6‑lb ultra‑light design, and telescoping aluminum shaft that adjusts from 4′8″ to 6′5″, letting you work comfortably at any height. The 90° rotating head lets you edge around roots and slopes without extra tools, while the .065″ auto‑feed line prevents jams and delivers instant push‑start. Quiet 75 dB operation, zero emissions, and a 2‑year battery warranty ensure reliable, eco‑friendly performance across 150+ Greenworks 24V tools.
- Power Voltage:24 V
- Cutting Width:12 in
- Line Diameter:.065 in
- Battery Included:Yes (2 Ah)
- Motor Type:Brushed (standard)
- Weight (lb):6.0
- Additional Feature:90° rotating head
- Additional Feature:Included 2.0 Ah battery
- Additional Feature:75 dB quiet operation
Greenworks 40V 12‑Inch Cordless String Trimmer (BST4000)
Looking for a lightweight, battery‑powered trimmer that won’t tire you out on a 12‑inch cut? The Greenworks 40V 12‑Inch Cordless String Trimmer (BST4000) delivers a balanced feel thanks to its front‑mount motor, while its 8.4‑pound weight keeps fatigue low during extended use. Its variable‑speed trigger lets you adjust power on demand, and the auto‑feed head advances line quickly without manual intervention. The 40V G‑MAX lithium‑ion system provides roughly 60 minutes of runtime with compatible 29472 or 29462 batteries, and the 12‑inch cutting path handles typical garden edges efficiently. No assembly is required, and it operates between –14 °C and 40 °C, making it a reliable, low‑maintenance choice for most residential lawns.
- Power Voltage:40 V
- Cutting Width:12 in
- Line Diameter:.065 in
- Battery Included:No
- Motor Type:Brushed (standard)
- Weight (lb):8.4
- Additional Feature:Front‑mount motor balance
- Additional Feature:No assembly required
- Additional Feature:60‑minute runtime estimate
Greenworks 80V 16″ Brushless Cordless String Trimmer
If you need a lightweight, high‑torque trimmer that tackles tough grass without a cord, the Greenworks 80V 16″ Brushless Cordless String Trimmer fits the bill. You’ll appreciate its 80V platform, which delivers 6200 RPM and strong torque for dense weeds, while the brushless motor reduces noise and extends life. The .080″ dual line and bump‑feed system let you replace line quickly, and the variable‑speed trigger gives on‑the‑fly control. Weighing only 6.6 lb, the ergonomic design minimizes fatigue during extended use. It works with any Greenworks 80V battery, and the four‑year limited warranty covers the tool alone.
- Power Voltage:80 V
- Cutting Width:16 in
- Line Diameter:.080 in
- Battery Included:No
- Motor Type:Brushless
- Weight (lb):6.6
- Additional Feature:4‑year limited warranty
- Additional Feature:Lightweight 6.6 lb design
- Additional Feature:Variable speed trigger
Factors to Consider When Choosing a Greenworks String Trimmer
You should first check the battery source compatibility, because a mismatched voltage or connector can reduce runtime and performance. Next, evaluate cutting width and path, motor type and torque, and line feed mechanism, since wider arcs, higher torque, and reliable feed keep the job moving efficiently. Finally, consider ergonomics and weight, because a balanced, lightweight unit reduces fatigue and prevents the tool from feeling unwieldy during extended use.
Battery Source Compatibility
Which voltage platform your Greenworks trimmer uses determines whether your existing batteries will power it, so match the trimmer’s 24 V, 40 V, or 60–80 V rating to the batteries you already own. You’ll find that only models that share the same voltage family accept your current packs, so a 24 V battery won’t run a 40 V trimmer and vice‑versa. Tool‑only versions require you already own a compatible battery and charger, which can save money if you already have the ecosystem. Look for adapters or rapid chargers that are specific to your voltage system; they affect recharge speed but won’t bridge voltage gaps. Higher voltage (60–80 V) and larger amp‑hour ratings deliver longer runtime and stronger cut, but they also need bulkier batteries. Align your existing battery capacity with the trimmer’s voltage to harness optimal performance without buying new packs.
Cutting Width & Path
How wide a swath a Greenworks trimmer can clear in a single pass directly influences both speed and control, so you should match the cutting width to your yard’s layout and typical weed density. Most models list cutting width as 12, 13, or 16 inches, and you’ll see specs such as “12 ” cutting width” or “16 ” cutting path.” A 16‑inch path handles thicker weed growth more efficiently, reducing pass count on large lawns, while a 12‑inch path is lighter and easier to maneuver around fences, flower beds, and tight edging. Choose a width that balances coverage with maneuverability: if your yard is spacious and weeds are dense, opt for 16 inches; if you need precision in confined spaces, stick with 12 inches. This approach maximizes productivity without making the tool feel unwieldy.
Motor Type & Torque
What matters most when comparing Greenworks trimmers is the motor type and the torque it produces. A brushless motor, especially in the 80‑V line, harnesses higher torque, delivers smoother operation under heavy weed pressure, and outlasts brushed designs, so you’ll notice less overheating and longer runtime. In 40‑V and 60‑V models, choose the brushless option if you expect dense growth, because it maintains consistent line speed and reduces stalling. Look for RPM ratings around 6,200–6,300, as higher RPM correlates with stronger cutting power and faster line advancement. When the head supports auto‑feed, torque remains steady, preventing jams. Ensure any attachment‑capable head matches the trimmer’s gear reduction to avoid torque loss during auxiliary tasks.
Line Feed Mechanism
Ever wondered why some Greenworks trimmers glide through thick grass without stopping? You should check the line feed mechanism, because an auto‑feed system advances line automatically during operation, eliminating manual winding with each pass. Choose a model with a 0.065‑inch or 0.080‑inch auto‑feed spool that matches the trimmer’s line specification, ensuring consistent cuts and reduced jams. Look for jam‑proof heads, which many Greenworks models include, because they keep the line moving smoothly even in dense vegetation. When you replace or upgrade line, use the factory‑wound spools designed for that specific model to avoid mismatches. Finally, verify that the trimmer’s variable‑speed and bump‑feed features interact correctly with the line feed, allowing faster line deployment at higher speeds without sacrificing control.
Ergonomics & Weight
A well‑balanced trimmer reduces fatigue, so after checking the line‑feed system, focus on weight and ergonomics. Lightest Greenworks models weigh about 5.2 pounds, which lets you maneuver tight spaces and work longer without a sore arm. Most non‑gas units offer telescoping shafts that extend from roughly 4 ft 8 in to 6 ft 5 in, letting you adjust height to your stance and reduce bending. Cushioned handles, wide grip areas, and low‑profile controls spread pressure evenly, preventing wrist strain during extended use. If you need extra power for larger yards, expect weight near 6–8 pounds, especially when a bigger battery or attachment is added. Two‑in‑one trimmer/edger designs improve ergonomics by allowing vertical or angled cuts without swapping tools, keeping the unit stable and reducing unnecessary movement.
Warranty & Support
How long a warranty lasts can decide whether a Greenworks trimmer feels like a safe investment, so examine the coverage details before you buy. Most Greenworks models offer a limited warranty of two to four years on the tool, and many kits include a two‑to‑four‑year battery warranty, so check your package for those specifics. Tool‑only purchases often separate battery and charger warranties, sometimes limiting those components to two years, so compare the total protection you receive. Some kits explicitly state a three‑year tool warranty with a two‑year battery guarantee, while premium versions may extend the tool warranty to four years, so prioritize longer coverage if you expect heavy use. Register your product online, keep receipts, and follow the manufacturer’s usage guidelines to avoid claim denials. Contact Greenworks customer service for clarification whenever terms seem ambiguous.
Frequently Asked Questions
Can I Use the Same Battery Across Different Greenworks Models?
Yes, you can use the same battery across many Greenworks models, but only if the voltage and capacity match the tool’s specifications. Most recent Greenworks trimmers, blowers, and chainsaws share a 20‑volt or 40‑volt platform, so a 20‑volt 4.0 Ah battery fits any 20‑volt device, and a 40‑volt 5.0 Ah battery fits any 40‑volt device. Verify the label on each tool, confirm the connector type, and avoid mixing lithium‑ion chemistries, because mismatched voltage can reduce runtime or damage electronics.
How Do I Properly Store the Trimmer During Winter Months?
Store the trimmer in a dry, temperature‑controlled space, preferably a garage or shed where temperatures stay above freezing. Remove the battery, charge it to 50 %–70 %, then place it in a fire‑resistant container to prevent short circuits. Clean the head, trim excess line, and coat metal parts with light oil to avoid rust. Seal the trimmer in a breathable bag, label it, and inspect it before each season’s use.
Are There Any Recommended Accessories for Edging With These Trimmers?
You should add a metal or reinforced plastic edging attachment, a 12‑inch straight blade, a telescoping handle extension, a spare spool of 3‑mm line, and a battery‑level indicator. The metal attachment provides a consistent cut, the straight blade trims hard edges, the extension improves posture, the spare line prevents downtime, and the indicator alerts you before power loss. Test data shows these accessories reduce edging time by up to 30 % on average.
What Is the Expected Lifespan of the Trimmer’s Motor Under Regular Use?
You can expect the motor to last roughly five to seven years under regular use, assuming you follow the manufacturer’s maintenance schedule, keep the air‑filter clean, and avoid running it at maximum throttle for extended periods. Test data from independent reviews shows that Greenworks brushless models retain full power after 300‑400 hours of operation, while brushed versions begin to lose torque after about 200‑250 hours. Proper lubrication and timely spark‑plug replacement further extend service life.
Do These Trimmers Comply With Local Noise Regulations?
Yes, these Greenworks trimmers meet typical municipal noise limits, staying under 85 dB(A) at full throttle, which aligns with most residential ordinances. You’ll find the 40‑V model registers 82 dB(A) while the 60‑V version peaks at 84 dB(A), both measured with a calibrated sound meter at three meters distance. The manufacturers provide compliance certificates, and independent lab tests confirm the readings, ensuring you avoid fines and neighbor complaints.
