Best String Trimmers for Professionals and Homeowners in 2024


Whether you call it a weed eater, weed wacker, weed trimmer, or something else, string trimmers have the same fundamental concept—spin trimmer line fast enough for the tips to cut grass. If you ask a random sampling of five people, they’ll likely tell you five different models they’d choose as the best string trimmer. We’ve tested dozens of string trimmers ranging from gas to battery and Pro to homeowner. Based on more than fifteen years of reviewing, we’ve selected our favorites for this year.


Our Top-Rated String Trimmer Recommendations

For Professionals

For Homeowners

Also In This Article

Top-Rated Professional Gas String Trimmers

Echo X-Series String Trimmer SRM-2620T

Best String Trimmer Overall for Professionals | ECHO SRM-2620T

Key Figures

  • Engine: 25.4 cc
  • Cutting Swath: 17 inches
  • Line Size: 0.095 – 0.105 inches
  • Top Speed: 5500 RPM
  • Dry Weight: 12.5 pounds
  • Warranty: 5 years for consumer use, 2 years for commercial use

Why We Love It

There’s a ton of debate about which is the best gas string trimmer overall, and Echo consistently shows up in it with their X-Series SRM-2620 lineup. It’s not the most powerful in Echo’s suite of Pro-focused string trimmers, but it does balance performance and weight. Furthermore, it’s a reliable option.

My top recommendation is the “T” model that has 2:1 high-torque gearing. While the top speed is lower than the standard gearing, it gets the job done on regular cuts and keeps the speed up better when you’re dealing with overgrowth. If you’re only going to have one string trimmer, the SRM-2620T can do it all.

Reasons to Buy

  • 2:1 gear ratio for higher torque
  • 2-stage air filtration
  • Generous 20.6-ounce fuel tank
  • Speed Feed 400 head included
  • Narrow guard offers excellent line of sight
  • Also available with standard gearing (SRM-2620) and in a bike handle configuration (SRM-2620U)

Consider Another Model If You…

  • Need more engine power
  • Prefer a wide guard
  • Prefer lighter weight over higher power
  • Are in a noise-restricted area
  • Prefer the lower noise and convenience of battery power

Who Should Buy It?

With its reliability, performance, and generous fuel capacity, this is a string trimmer Professional crews should consider for every application—mow and blow, right of way maintenance, agriculture, campus maintenance, and more. It’s also an excellent option for large property owners.

Price: $399.99 ($369.99 for the 2620)

Stihl Professional String Trimmer FS 91 R

Best Gas String String Trimmer | Stihl FS 91 RBest Gas String String Trimmer | Stihl FS 91 R

Key Figures

  • Engine: 28.4 cc
  • Cutting Swath: 16.5 inches
  • Line Size: 0.095 – 0.105 inches
  • Top Speed: 7150 RPM
  • Dry Weight: 12.1 pounds
  • Warranty: 1 year

Why We Love It

Similar to Echo, Stihl’s FS 91 R isn’t the most powerful string trimmer in the lineup, but its balance of performance, weight, and price makes it a top-rated model for many people. Its top speed makes maintenance cutting a breeze, and it can handle overgrowth confidently. While Echo does boast better torque, Stihl’s engine is a little stronger, the fuel capacity is a little higher, and its dry weight is a little lower (though the additional fuel capacity evens the working weight out).

Of course, Stihl’s extensive dealer and service network is a major plus of owning its products. When you need regular maintenance or your trimmer needs a repair, you can get it back in the game quickly.

Reasons to Buy

  • High line speed
  • Generous 24-ounce fuel tank
  • Reliable performance
  • Wide service network to handle maintenance and repairs
  • Made in the USA using global components
  • Also available in a bike handle configuration (FS 91)

Consider Another Model If You…

  • Need more engine power
  • Prefer a narrow guard
  • Prefer lighter weight over higher power
  • Are in a noise-restricted area
  • Prefer the lower noise and convenience of battery power

Who Should Buy It?

This is primarily for professional crews needing high-speed cutting to move through jobs quickly. While it’s capable of working through overgrowth, you might want to have a high-torque model on hand if it’s a significant part of your day.

Price: $309.99

Top Rated Professional Battery-Powered String Trimmers

Stihl FSA 135 R Battery-Powered String Trimmer

Stihl FSA 135 R String TrimmerStihl FSA 135 R String Trimmer

Key Figures

  • Motor: 36V Brushless
  • Cutting Swath: 16.5 inches
  • Line Size: 0.095 – 0.105 inches
  • Top Speed: 5900 RPM
  • Bare Weight: 11.4 pounds (15.5 pounds with AP 500 battery)
  • Warranty: 3 years

Why We Love It

Stihl’s FSA 135 R is the battery-powered version of the FS 91 R, and it’s the best all-around battery-powered model for professionals. Square in the middle in weight and performance, it has the power you need for most trimming duties while keeping the weight reasonable and build quality high.

Reasons to Buy

  • Excellent all-around trimming performance
  • Pro-grade build quality
  • No fuel to mix
  • No emissions
  • Little noise compared to gas
  • Little maintenance to worry about
  • Can save money compared to gas models over the life of the trimmer
  • Also available in a bike handle version (FSA 135)

Consider Another Model If You…

  • Need the highest power or high torque gearing
  • Don’t want the front-end cost of battery equipment
  • Run your trimmers without a guard and line cutter

Who Should Buy It?

Pros looking for a battery-powered all-day everyday workhorse should consider the FSA 135 R. Matching up with Stihl’s popular FS 91 R on the gas side, there’s no compromise in performance or build quality.

Price: $409.99

Husqvarna 520iLX Battery-Powered String Trimmer

Best Cordless Battery-Powered String Trimmer | Husqvarna 520iLX Battery-Powered String TrimmerBest Cordless Battery-Powered String Trimmer | Husqvarna 520iLX Battery-Powered String Trimmer

Key Figures

  • Motor: 36V Brushless
  • Cutting Swath: 16 inches
  • Line Size: 0.080 – 0.095 inches
  • Top Speed: 5500 RPM
  • Bare Weight: 6.6 pounds (9.5 pounds with BLi200 battery)
  • Warranty: 2 years

Why We Love It

Even though it’s not the highest-performing model in Husqvarna’s battery-powered lineup, the 520iLX stays on my list again this year because of its low weight and low vibration. It’s a flat-out comfortable string trimmer to use. Combined with low noise and battery-powered convenience, it’s a joy to operate.

Reasons to Buy

  • Lightweight
  • Super-low vibration
  • Reverse mode
  • Eco mode for light cutting conditions
  • No fuel to mix
  • No emissions
  • Little noise compared to gas
  • Little maintenance to worry about
  • Can save money compared to gas models over the life of the trimmer

Consider Another Model If You…

  • Need more power or high torque gearing
  • Don’t want the front-end cost of battery equipment
  • Want a larger cutting swath
  • Run your trimmers without a guard and line cutter
  • Run 0.105-inch line
  • Prefer a fast-load trimmer head
  • Frequently work in overgrown areas

Who Should Buy It?

This model is best suited for professional use on regular maintenance cuts. Thanks to high-capacity battery backpacks, it’s good for large properties and campuses in addition to smaller lawns. Its power level isn’t as high as others, though, so it’s not a good fit if you’re frequently reclaiming overgrown areas.

Built for professional and large property use, Husqvarna’s 520iLX is a cordless battery-powered string trimmer that should be on your radar. Its performance is right on for hitting lawn grasses and we like the reverse direction button to release tangled grass.

Price: $309.99 bare

Milwaukee M18 Fuel Dual Battery String Trimmer 3006-22

Milwaukee M18 Fuel Dual Battery String TrimmerMilwaukee M18 Fuel Dual Battery String Trimmer

Key Figures

  • Motor: 18V Brushless
  • Cutting Swath: 17 inches
  • Line Size: 0.080 – 0.105 inches
  • Top Speed: 6200 RPM
  • Bare Weight: 11.8 pounds (16.9 pounds with two 8.0Ah High Output batteries)
  • Warranty: 3 years

Why We Love It

Milwaukee made a huge step forward in its string trimmer performance with the launch of the M18 Fuel 3006. Its low-speed mode handles regular maintenance trimming beautifully and high speed makes quick work of overgrowth. With the ability to run line up to 0.105-inch, it’s a high-performance beast of a trimmer.

Reasons to Buy

  • High-end cutting performance
  • Larger cutting swath than most battery-powered models
  • Includes a fast-loading trimmer head
  • Includes a shoulder strap
  • No fuel to mix
  • No emissions
  • Little noise compared to gas
  • Little maintenance to worry about
  • Can save money compared to gas models over the life of the trimmer

Consider Another Model If You…

  • Prioritize lightweight over high performance
  • Don’t want the front-end cost of battery equipment
  • Run your trimmers without a guard and line cutter

Who Should Buy It?

Milwaukee’s focus is on professional users and the 3006 is no exception. While you do need to consider whether the weight is an issue for you and your crew, the M18 Fuel Dual Battery String Trimmer can handle anything you’d use a gas model for.

Price: $699

Top Rated Battery-Powered String Trimmers

EGO PowerLoad String Trimmer with Line IQ ST1623T

Key Figures

  • Motor: 56V Brushless
  • Cutting Swath: 16 inches
  • Line Size: 0.095 inches
  • Top Speed: 5500 RPM
  • Bare Weight: 7.7 pounds (12.5 pounds with a 5.0Ah battery)
  • Warranty: 5 years

Why We Love It

This is the best string trimmer homeowners can currently buy. The Line IQ and Powerload technologies make it incredibly convenient to use while the performance is excellent and vibration control is outstanding.

Reasons to Buy

  • Excellent cutting performance
  • Outstanding vibration control
  • Automatic line feeding
  • Super-easy automatic line loading
  • Carbon fiber shaft
  • No fuel to mix
  • No emissions
  • Little noise compared to gas
  • Little maintenance to worry about

Consider Another Model If You…

  • Want the highest possible performance
  • Prefer lighter weight over high performance
  • Want to run line other than 0.095-inch
  • Prefer a cutting swath other than 16 inches
  • Are working with an entry to mid-level budget
  • Want an attachment-capable system

Who Should Buy It?

EGO designed this string trimmer for homeowners who want the best in technology combined with high performance.

Price: $219 bare, $299 with 4.0Ah battery and charger

Ryobi 40V HP Brushless Carbon Fiber String Trimmer RY402110

Ryobi 40V HP Brushless Carbon Fiber String Trimmer ReviewRyobi 40V HP Brushless Carbon Fiber String Trimmer Review

Key Figures

  • Motor: 40V Brushless
  • Cutting Swath: 17 inches
  • Line Size: 0.080 – 0.105 inches
  • Top Speed: Not rated
  • Bare Weight: 8.8 pounds (12.9 pounds with a 6.0Ah battery)
  • Warranty: 3 years

Why We Love It

Ryobi delivers the highest power we’ve experienced in the residential battery-powered string trimmer with this model. It’s also much better in vibration control than older models we’ve tested and the weight is very reasonable considering how much power the brushless motor produces.

Reasons to Buy

  • Top-tier cutting performance
  • Larger cutting swath than most battery-powered models
  • Low vibration
  • Includes a fast-loading trimmer head
  • Carbon fiber shaft
  • No fuel to mix
  • No emissions
  • Little noise compared to gas
  • Little maintenance to worry about
  • Can save money compared to gas models over the life of the trimmer

Consider Another Model If You…

  • Want the lightest weight
  • Prefer to stay on Ryobi’s 18V One+ battery system
  • Are working with an entry to mid-level budget
  • Want an attachment-capable system

Who Should Buy It?

This premium string trimmer is for homeowners who want the power of the strongest gas string trimmers with the convenience of a battery power source. If you’re fighting overgrowth often, you’ll love it.

Price: $299

Greenworks 60V Carbon Fiber String Trimmer 2136502

Key Figures

  • Motor: 60V Brushless
  • Cutting Swath: 16 inches
  • Line Size: 0.095 inches
  • Top Speed: Not rated
  • Weight: 9.9 pounds with a 2.5Ah battery
  • Warranty: 4 years

Why We Love It

Greenworks makes the list thanks to its lightweight performance. Coming in just under 10 pounds and keeping the vibration low, it’s easy to use. Performance doesn’t suffer, though, and this model easily replaces most residential gas models.

Reasons to Buy

  • Excellent cutting performance
  • Low vibration
  • Includes a fast-loading trimmer head
  • Carbon fiber shaft
  • No fuel to mix
  • No emissions
  • Little noise compared to gas
  • Little maintenance to worry about
  • Can save money compared to gas models over the life of the trimmer

Consider Another Model If You…

  • Are willing to give up performance for even lower weight
  • Want the highest possible performance
  • Are looking for more than a 16-inch cutting swath
  • Are working with an entry to mid-level budget
  • Want an attachment-capable system

Who Should Buy It?

Homeowners who want high performance at the lowest weight will love this model. While you can find battery-powered string trimmers with a lower overall weight, it’ll be tough to find any that can compete with Greenworks in cutting performance without bloating the weight to do it.

Price: $248

Best String Trimmer Line

Echo Black Diamond String Trimmer Line

There’s no question I’m going to start an argument in this section (even within our own office), but the best string trimmer line is Echo’s Black Diamond line. It’s denser than many of the basic lines out there, combined with a sharp-pointed square twist to make it a more effective cutter for its size. Available in 0.095-inch and 0.105-inch sizes, it’s great for almost any trimmer and it’s a fantastic choice for battery-powered options.

Best String Trimmer Brand

If the last section sparked an argument, this one is going to start an all-out brawl. When it comes to covering the entire scope of string trimmers, Echo, Husqvarna, and Stihl are all consistently part of the conversation with other brands such as Makita and Redmax also showing up. Toss in all-battery brands such as Milwaukee and Greenworks Commercial and the landscape can be confusing.

In my opinion, Husqvarna is the best overall string trimmer brand. They have a wide range that covers homeowners through professionals, gas and battery, and lawn cutting through forestry brush cutting better than anyone else. While Stihl sets the standard for servicing dealer networks, Husqvarna does a fine job of showing up close to home as well.

More String Trimmers from Brands We Recommend

For Pros: Greenworks Commercial Optimus 82V String Trimmer ST161

Rated at 1.6kW, this string trimmer isn’t as strong as Greenworks Commercial’s 2.0kW bike handle model, but it’s the combination of lighter weight and 30cc+ performance that makes it the one I want to reach for.

Key Figures

  • Motor: 82V Brushless
  • Cutting Swath: 17 inches
  • Line Size: 0.095 inches
  • Top Speed: 5500 RPM
  • Weight: 15.5 pounds with a 4.0Ah battery
  • Warranty: 2 years

Price: $649.99

For Pros: Echo 56V String Trimmer DSRM-2600

Echo’s Pro-focused battery-powered string trimmer (also available in a bikehandle version) is a lightweight option with mid-range performance. As part of the expanding eForce X-Series lineup, it’s a good fit for professionals primarily focused on maintenance trimming.

Key Figures

  • Motor: 56V Brushless
  • Cutting Swath: 17 inches
  • Line Size: 0.080 – 0.095 inches
  • Top Speed: 5700 RPM
  • Weight: 10.0 pounds with a 2.5Ah battery
  • Warranty: 5 years consumer, 2 years commercial

Price: $599.99 kit; $479.99 bare

For Pros: Makita 40V max XGT High-Torque String Trimmer

Geared for higher torque and capable of turning 18 inches of trimmer line, Makita’s GRU07 stands out in the cordless category, and that’s saying something considering the quality in the brand’s lineup. Perhaps even more impressive than the 35cc+ performance is that the working weight is under 14 pounds.

Key Figures

  • Motor: 40V Brushless
  • Cutting Swath: 18 inches
  • Line Size: 0.105 inches
  • Top Speed: 5700 RPM
  • Weight: 13.5 pounds with a 5.0Ah battery
  • Warranty: 2 years

Price: TBA

For Homeowners: Masterforce FlexPower 20V String Trimmer 4812.17

Homeowners with smaller lawns and a desire for a lightweight string trimmer will love the convenience of Masterforce’s 12-inch string trimmer. While it doesn’t include a fast-load trimmer head, it makes up for it with its low cost, excellent runtime, incredibly low weight, and compatibility with Masterforce’s entire line of 20V power tools.

Key Figures

  • Motor: 20V Brushless
  • Cutting Swath: 12 inches
  • Line Size: 0.080 inches
  • Top Speed: 7000 RPM
  • Weight: 7.3 pounds with a 4.0Ah battery
  • Warranty: 3 years

Price: $139.99 with a 4.0Ah battery and charger

For Homeowners: Ridgid 18V Brushless String Trimmer R01201

Ridgid fans now have lawn care equipment options that keep them on the popular 18V battery system. The string trimmer is a good fit for small to medium size lawns with its 14-inch cutting swath and it’s a lightweight option that has a working weight under 10 pounds. Thanks to the brushless motor’s ability to confidently use 0.095-inch line, it’s capable of both maintenance trimming and clearing smaller areas of overgrowth with ease.

Key Figures

  • Motor: 18V Brushless
  • Cutting Swath: 14 inches
  • Line Size: 0.095 inches
  • Top Speed: 6200 RPM
  • Weight: 9.5 pounds with a 4.0Ah battery
  • Warranty: 3 years and Lifetime Service Agreement with registration

Price: $189 bare tool, $249 with a 4.0Ah battery and charger

For Homeowners: Skil PWRCore 40 String Trimmer with Smart Load LT4832C-11

Skil puts together a string trimmer kit that’s an excellent value. Stepping up to the more powerful PowerCore 40 battery system, this 15-inch string trimmer is a good fit for any size home and is another excellent lightweight option. It stands out with its Smart Load system that makes line loading as easy as running the line through the head to the middle and then spinning the handle to wind it in.

Key Figures

  • Motor: 40V Brushless
  • Cutting Swath: 15 inches
  • Line Size: 0.080 inches
  • Top Speed: 5800 RPM
  • Weight: 9.25 pounds with a 2.5Ah battery
  • Warranty: 5 years

Price: $159 with a 2.5Ah battery and charger

String Trimmer Buying Guide – What We Look For

Gas Vs Battery Vs Electric String Trimmers

Choosing your string trimmer power source has a lot to do with balancing performance, convenience, and price.

Gas offers the most power and when you run out of fuel, a fill-up only takes a few minutes. On the other hand, they’re loud, require maintenance, need an oil and gas mix, and produce emissions.

Battery-powered string trimmers have lower noise, no emissions, and very little maintenance. Plus, today’s performance can match a 30cc engine with roughly the same runtime as a tank of gas. However, cordless string trimmers can be more expensive, and charging a battery can take several hours in some cases.

Electric string trimmers have the benefits of battery-powered ones with the bonuses of costing less and having near-infinite runtime. They typically don’t reach as high on the power scales, though, and you’re stuck dragging an extension cord all over your lawn.

String Trimmer Line Size

Most string trimmers are rated for somewhere between 0.080 and 0.105-inch line with fringe options below and above that range (one string trimmer even uses zip ties, but we don’t recommend it).

Generally speaking, smaller diameter line doesn’t do as much damage to objects it hits, such as the paint on your exterior walls, wood on your pergola, or irrigation pipes. It also gets the most runtime out of battery-powered string trimmers. As you go up in diameter, the line becomes more destructive and less energy efficient, while holding up better in tough conditions.

For smaller lawns, 0.080-inch line is great for keeping your grass under control, has excellent runtime for battery-powered string trimmers, and lets you put more line on the head compared to larger diameters. This is the minimum line size we recommend in most cases.

The 0.095-inch line is a great all-around combination for quick cutting, moderate risk of collateral damage, and solid runtime for cordless trimmers. For most cordless string trimmers, this is as thick as we recommend going, though some Pro models are fine moving up a step.

For professional crews, farm and ranch, and other large properties, 0.105-inch line is the way to go. It quickly clears overgrowth and grasses with thicker stalks while holding up to a lot of abuse. It takes more energy to spin the extra mass, though, and you likely need a 30cc+ engine to make the most effective use of it. If you’re considering battery-powered options, we only recommend 0.105-inch line for high-end professional models specifically designed to handle it.

Cutting Swath

Cutting swath is the diameter your line covers. For smaller lawns, 13 – 14-inch is fine, especially when you’re using a walk-behind mower that can get closer to landscape edges. 15 – 16-inch is a good all-around diameter while professional crews and large property owners get the most out of 17-inches or more.

Weight

String trimmer weight is a big consideration. The more weight is out on the end, the more your back has to work to help you work with it. Shoulder straps help tremendously, especially for the largest gas units and some cordless models come with one as well.

In most cases, pick the lightest string trimmer that has the performance for your toughest jobs with the build quality that will last you many years.

Vibration

Vibration came into center focus with high-performance cordless string trimmers. All gas engines have at least some vibration, and most people don’t think much of it. That’s still the case for gas, but cordless and electric string trimmers vary widely in how much vibration they create. In many cases, shifting the motor to the head helps reduce the vibration of a drive shaft, even though it moves some of the weight away from your arms.

Features

For the most part, there aren’t a ton of extra features to look for on gas and AC electric string trimmers. However, brushless battery-powered models can have a few that can swing your purchase decision one way or the other. Here are some to keep an eye on:

  • Attachment capability (all power types)
  • Multiple speeds (including automatic modes)
  • Reverse rotation to untangle tall grass
  • Faster throttle up
  • Compatibility with other lawn care equipment and power tools

Value

We’re big on value—getting the most bang for our buck is always high on our list. It’s not just about what the cheapest string trimmer you can get is. It’s about meeting your top priorities and coming in under budget.

Why You Can Trust Pro Tool Reviews to Recommend String Trimmers

Ever check out a “review” site and you can’t tell if they actually tested the tools or if they’re just “recommending” the Amazon top sellers? That’s not us. We won’t recommend anything unless we’d actually use it ourselves and we don’t care who the primary retailer is. It’s all about giving you a legitimate recommendation and our honest opinion of each product.

We’ve been in business since 2008 covering tools, writing reviews, and reporting on industry news in the construction, automotive, and lawn care industries. Our Pro reviewers work in the trades and have the skills and experience to know whether tools can perform well in the field.

Each year, we bring in and review more than 250 individual products. Our team will put our hands on hundreds of additional tools at media events and trade shows throughout the year.

We consult with innovators in the technology and design of tools to gain a broader grasp of where these products fit and how they work.

We work with more than two dozen professional contractors around the United States who review products for us on real job sites and consult with us on testing methods, categories, and weighting.

We’ll provide more than 500 pieces of new content this year absolutely free for our readers—including objective evaluations of individual tools and products.

The result is information you can trust because of the editorial, scientific, and real-world professional experience we collectively utilize each and every time we pick up and test a tool.


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