Comparing Top Commercial String Trimmers 2026
Who’s On The Shortlist?
Looking to compare top commercial string trimmers? Thinking about gas or battery? Loop handle or straight? Light and nimble or heavy-duty beast? We dug through the forums, the dealer lots, and the spec sheets so you don’t have to. Here’s how the top commercial string trimmers stack up in 2026. Note all images are property of the OEM of the product shown.
One thing we noticed is that landscapers argue about trimmers like NFL fans argue about quarterbacks. There is no unanimous champion. There’s only the right tool for your crew, your terrain, and your business.
Another thing to pay attention to is weight. You’re hauling these things around all day. And the manufacturers are being cagey about weight. Many list it without the cutting equipment and protective shield included. It’s kind of BS. The chart below reflects cutting equipment & shield. No strap, cutting string, or gas.
Echo SRM-2620: The Popular Choice
Ask 50 landscapers what trimmer they run and a bunch are going to say Echo. The SRM-2620 has a reputation of being the best all-around trimmer in the class. It’s not the most powerful, not the lightest, but the one that hits the sweet spot in every category.
The 25.4cc two-stroke engine delivers consistent power and the Speed-Feed 400 head just bumps to feed line. The two-stage air filtration system delivers longer maintenance intervals.
Stihl FS 91 R: The Dealer Network Champion
The brand has built loyalty by making products that last and making it easy to get parts when you need them.
The FS 91 R is Stihl’s bread-and-butter pro trimmer. It features a low exhaust emission engine and a large fuel tank that provides 30% longer run times than the previous model. The simplified three-step start procedure and superior air filter design round out a well-built package. There are strong opinions on handlebars vs the loop . Depends on your personal preference.
Stihl FS 131 R: When You Need to Go to War
The FS131 R is Stihl’s heavy-duty commercial option. It will chew through anything.
It features a low exhaust emission engine and larger fuel tank than before. There’s also a simplified starting procedure and a one-touch stopping feature to minimize the hassle of restarting. The IntelliCarb compensating carburetor auto adjusts the fuel mix as the air filter gets dirty – great in dusty conditions.
Husqvarna 535LST: A Powerhouse
The 535LST’s powerful 34.6cc X-Torq engine is designed to reduce harmful exhaust emissions and increases fuel efficiency.
The narrow trimmer guard improves sight lines so operators can see exactly where the line is cutting. The T35X trimmer head uses Tap ‘n Go line feeding for quickly getting back to work. The auto-return stop switch means the trimmer is always ready to restart without fumbling for the right setting.
Milwaukee M18 FUEL Quik-Lok: Quiet & Lighter
Milwaukee’s M18 FUEL line delivers power that competes with gas. With the Quik-Lok attachment system, you can swap heads quickly between trimmer, edger, blower, and hedge trimmer without buying separate power units.
The brushless motor delivers consistent power at full throttle without engine vibration. No fuel mixing, no carb headaches, no cold-start BS. The trade-off is runtime. Commercial use still requires battery management – bring some spares.
What Do The Pros Say?
Comments on Top Commercial String Trimmers
Echo SRM-2620
Different landscaping forums lean hard toward this model for commercial crews doing general trimming.
- “The Echo 2620 is the best all-around trimmer you can buy. It’s at a nice middle ground in all categories and is my go-to trimmer.”
- “The weight to power ratio is perfect! It has plenty of power to tackle spring grass, and the weight won’t fatigue your body.”
- “This is an awesome trimmer! It starts easy and has a ton of power!… Most of the time I’m only using about 1/4-1/2 throttle, but the head spins at rates that would be equivalent to other trimmers at full throttle.”
Worth noting: Echo also offers the SRM-2620T, which adds a 2:1 high-torque gear ratio for grinding through overgrown weeds and heavy brush. If your crews deal with rough, neglected lots, the T version is worth the upgrade.
Stihl FS 91 R
- One LawnSite veteran has run his FS 91 R day in, day out for years and calls it an “absolute workhorse”.
- “This thing has the power I need… it powers through heavy thick grass I used to have [trouble with]”
- “a bit heavier… than we expected from this brand”
- Others find the vibration and balance less comfortable than the Echo.
Stihl 131 R
- “The Stihl 131 cut thick fescue like a hot knife through butter.”
- Rigid steel drive shaft gives the gearbox durability when slamming into thick brush or hidden rocks.
- 24 oz fuel tank easily delivers over an hour of continuous cutting under heavy loads.
- 4-Mix engine is “hard to feather the throttle”.
- Extreme power caused accidental lawn scalping around flower beds.
- Crews running it on heavy-duty jobs love it. Crews doing standard cleanup find it way too heavy and definitely overkill.
Husqvarna 535LST
- “If you’re mainly doing light trimming, the 525 is best because it’s the lightest and easiest to carry for long periods.”
- “Destroys thick weeds and brush”
- “It really rips” when clearing miles of overgrown fence lines
- “It likes to run full bore”
- Not recommended for “puttering around your flowerbeds”
- Full-body support harness is an absolute necessity if you run this heavy machine for hours
Milwaukee M18 FUEL
- One operator switched eight trimmers to Milwaukee M18, recovered the system cost in 16 months through fuel and maintenance savings, and landed a medical campus contract that had previously turned him down over noise concerns.
- M18 FUEL delivers instant power with zero delay.
- Variable trigger is so precise that you can seamlessly “feather the power right down to a crawl”
- Powerstate brushless motor easily matches or exceeds a standard 31cc gas engine.
- Eliminates the need to mix 2-stroke fuel, pull starter cords, or spend hours winterizing carburetors.
So Which One Do You Buy?
Honestly, it depends on your situation.
- Running heavy-duty all-day work through thick brush? Stihl FS 131 R or Husqvarna 535LST
- Want the most reliable all-arounder with the fastest line reload? Echo SRM-2620 (or 2620T for heavier work)
- Brand loyalty to Stihl and a dealer down the street? FS 91 R, no question
- Already running Milwaukee tools and doing mostly urban route work? M18 FUEL
Whatever you buy, spend the money on quality trimmer line. Don’t cheap out, you’ll regret it. The pros use .095″–.105″ twisted or serrated line for durability and cut quality.
Model | Engine | Weight | Cutting Swath | Estimated Price | Best For |
|---|---|---|---|---|---|
Echo SRM-2620 | 25.4cc gas 2-stroke | 12.6 lbs with cutting equip. | 17″ | ~$400 | All-around commercial use |
Echo SRM-2620T | 25.4cc gas + high torque | 12.8 lbs with cutting equip. | 17″ | ~$450 | Heavy brush, overgrown lots |
Stihl FS 91 R | 28.4cc 4-Mix | 13.9 lbs with cutting equip. | 16.5″ | ~$380 | Pros with Stihl dealer access |
Stihl FS 131 R | 36.3cc 4-Mix | 13.9 lbs with with cutting equip. | 17.7″ | ~$570 | Heavy-duty, dense vegetation |
Husqvarna 535LST | 34.6cc gas | 13.5 lbs with cutting equip. | 19.7″ | ~$520 | Power + light weight combo |
Milwaukee M18 FUEL with Quick Lok | Battery | ~12.3 lbs with cutting head & battery | 14–16″ | ~$279 (tool only) ~$379 (kit) | Multi-tool platform buyers |
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