10 Best Gas String Trimmers for Power and Mobility

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Last updatedLast updated: March 03, 2021
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If you want to keep your lawn looking neat and tidy, you’re likely to need a trimmer. While electric trimmers may appear convenient, the lead can cause a number of problems, so many people prefer a gas string trimmer. These trimmers do not have a lead, so you’re not tied to a power outlet and you can enjoy superb performance with the power to make short work of your yard tasks.

Our research team reviewed 22 gas string trimmers to assess the functionality offered and how they operate in a typical yard. We’ve created a list of our top picks and our editor’s choice, the Husqvarna 129C offers a fantastic balance of powerful engine with an impressive 17 inch cutting swath and lightweight. However, we’ve also ranked other gas string trimmers at different price points to ensure a top pick for everyone.

Our team has deliberated for hours to find the best gas string trimmer. Whether you have a small yard that needs a little tidying or have a larger landscaping design that requires more precise trimming, we’ve assessed the performance and functionality of each machine, so you can have complete confidence in your purchase. First and foremost, we assessed the engine of each machine, which not only determines the power output and durability, but also impacts the weight of the machine. We’ve also looked at the trimmer line diameter and cutting swath, which impact the precision and coverage offered. However, we’ve also considered the weight of each unit and the manufacturer support offered, including the warranty. We’ve presented our findings as a simple overview table with a list of detailed reviews, but we’ve also included a buying guide to assist you in making your final purchase decision.

Top 10 Gas String Trimmers Review 2021


Husqvarna 129CEditor’s Choice

  • Engine: 27 cc, 1.1 hp, 2 cycle
  • Cutting swath: 17”
  • Line diameter: 0.095”
  • Shaft: curved
  • Weight: 9.9 lbs. (excl. cutting equipment)
  • Warranty: 2-year limited

Other features: intuitive control, auto return stop switch, air purge, 93 dB noise level, the T25 trimmer head, translucent fuel tank

The Husqvarna 129C is considered the best curved shaft gas string trimmer on the market. It features a 28cc 2 stroke gas powered engine while offering a lightweight and environmentally friendly performance.

It is equipped with the Smart Start system, so unlike many other gas powered string trimmers, it is very easy to start up. The E-Tech II system lowers exhaust emissions and reduces noise by up to 50% and there is also a combi guard to protect users from injury during operation. Unfortunately, this does come with some negatives, primarily that the engine requires 2 stroke gas. This means that you can’t just use normal gas, so it can be a little hassle to fuel up.

However, the Husqvarna 129C is still a very solid offering for homeowners or even pro gardeners who need a reliable string trimmer that will deliver reliable performance every time.

What we liked:

  • Lower noise output
  • Smart Start Up

What could be better:

  • Requires 2 stroke fuel

Echo GT-225Premium Pick

  • Engine: 21.2 cc, 2-cycle
  • Cutting swath: 16”
  • Line diameter: 0.80”
  • Shaft: curved, 48”
  • Weight: 10.1 lbs.
  • Warranty: 2-year commercial, 5-year consumer

Other features:2-line Rapid Loader® cutting head, ergonomic adjustable handle

The Echo GT-225 is loaded with great features, it is lightweight and remarkably easy to use. Despite being lightweight, the GT-225 does not lack power, providing the combination of lightweight flexibility and enough power to get all the trimming and edging done in your yard.

The GT-255 is also a highly durable piece of garden equipment, so you won’t need to worry about it breaking if your yard is not 100% free of rocks or other obstacles. Echo appreciates that most yards have obstacles, and the entire trimmer line is built to easily withstand any potential obstacles.

Since the GT-225 is lightweight, it is easy to move around even in the tightest spaces. So, it can be used in the smallest of outdoor spaces, so you can ensure that your yard is weed free without needing to strain yourself. The 21.2cc 2 cycle engine is not the largest unit, but it does pack sufficient power to cope with your yard trimming needs. This smaller engine also makes this unit easier to handle.

One of the stand out features of this trimmer is that it is easy to maintain. Unlike many other trimmers, the string is easy to change out and apart from this task, it is relatively maintenance free. The dual line exit and bump feed system ensure that you don’t need to keep stopping and starting once you start to tackle your yard work. Additionally, if you do happen to run into any issues, you can have confidence in the excellent Echo technical support to assist you.

What we liked:

  • Supported by a 5-year warranty
  • Uses 89 octane fuel
  • Is supplied with a debris shield to protect you against grass stains on your clothing

What could be better:

  • Is not supplied with an accessory kit

CRAFTSMAN WS205Best Lightweight Gas String Trimmer

  • Engine: 25 cc, 2-cycle
  • Cutting swath: 17”
  • Line diameter: 0.095”
  • Shaft: straight
  • Weight: 14 lbs.
  • Warranty: n/a

Other features: 3-step starting, WEEDWACKER® Trimmer head, bump feed, adjustable handle

The gas powered Craftsman WS205 weighs just 13 pounds and features a 25cc 2 cycle engine. Despite this modest proportions, the WS205 offers an impressive 17 inch cutting width to make short work of your trimming and edging. The straight shaft creates a comfortable hold and it features a bump feed line, so you just need to bump the head against the grass to release 0.95 inches of additional line.

What makes this one of the best lightweight gas string trimmer models is the start technology. There are just three simple steps to get this trimmer started; prime, choke and pull. This means that unlike with many other gas string trimmer models, you won’t need to waste all your energy getting it started before you even get to the yard work.

Additionally, the adjustable shaft handle makes operating more comfortable and easier on your hands and wrists, so even if your yard has gotten particularly unruly, you can tackle it with ease.

The engine is a 25cc 2-cycle, and it has a 17-inch cutting width. The technology to make it start easier has three simple steps to it: prime, choke, and pull. The handle on the shaft can be adjusted in order to make operating it easier and more comfortable.

The WS205 is also part of the Craftsman product line, so you can purchase compatible accessories to further enhance the versatility of your trimmer, converting it into a brush cutter, hedge trimmer or other useful tools.

What we liked:

  • Adjustable shaft handle
  • Bump feed line
  • Compatible with Craftsman accessories

What could be better:

  • No attachments included

Husqvarna 128CDBest Gas String Trimmer with Attachments

  • Engine: 28 cc, 2-cycle
  • Cutting swath: 17”
  • Line diameter: n/a
  • Shaft: curved
  • Weight: 11 lbs.
  • Warranty: 2-year limited

Other features: a translucent fuel tank, air purge, the T25 trimmer head, high visibility cutting shield

If you’re looking for the best home gas string trimmer, then the Husqvarna 128CD is certainly worthy of consideration. Husqvarna is a reputable brand, which is why there are two models on our list of the best gas string trimmer, but the 128CD does have some impressive features of its own.

The 128 CD is a powerful trimmer that is ready to tackle any grass or weed cutting tasks, yet with a weight of just 11.11 pounds, it’s not too heavy if you need to use it for an extended period. The 128CD also includes a number of adaptions to make it easier to use and more comfortable. Like the 129C, it features the Smart Start system to ensure that you’re not likely to experience any problems getting it fired up. Typically, it won’t take more than a pull or two to get this trimmer going. The model also features an air purge function, which removes air from the fuel system and carburetor to support an easy start each time.

Another useful addition is the auto return stop. This allows you to return your trimmer to the “on” position automatically, so you’re ready to go anytime you need it. The controls are intuitive and simple to use, so you don’t need to be a gardening pro to feel comfortable using it. There are also a number of multi-purpose attachments, so it is a highly versatile piece of gardening kit. Finally, the handle has been designed with an ergonomic design, making it easy to find the best position, so you feel comfortable during use.

What we liked:

  • Smart Start
  • Multi-Purpose
  • Detachable shaft for easy storage

What could be better:

  • Some users report it can become bogged down in very heavy weeds
  • Taller people may find the curved design a little short.

Poulan Pro PR28SDBest Commercial Gas String Trimmer

  • Engine: 28 cc, 2-cycle
  • Cutting swath: 17”
  • Line diameter: 0.095”
  • Shaft: straight
  • Weight: 14 lbs.
  • Warranty: 2-year

Other features: a dual-line feed Tap’N Go head, auto return stop switch, air purge, Effortless Pull Starting (EPS), six optional trimmer attachments

If you’re looking for the best commercial gas string trimmer brands, then Poulan Pro is worth serious consideration. The Poulan Pro PR28SD features a 28cc engine with a 17 inch cutting width, to deliver the power needed to get the job done.

The PR28SD is equipped with the Poulan Pro Tap & Go head, which is an air purge system that removes air from the carburetor to ensure a quick start. There is also an automatic stop switch return, which defaults to the earlier on position for a faster start up next time.

While the PR28SD is a little heavier than some other trimmers at 14 pounds, it does have the additional power of a 28cc engine. This is a powerful 2 stroke engine that can tackle more heavy duty yard work, so it is worth the additional weight.

The PR28SD also accepts attachments to convert this trimmer into a handy multi tool. The Pro Link system includes attachments to allow you to use your PR28SD as a hedge trimmer, brush cutter, tree pruner, blower or edger.

What we liked:

  • 2-year warranty
  • Accepts attachments

What could be better:

  • A little heavier than many other models

COOCHEER 42.7CC 2-in-1 Gas String Trimmer and Brush CutterBest 2 Stroke Gas String Trimmer

  • Engine: 42.7cc 2-cycle
  • Cutting swath: 10”
  • Line diameter: 0.08”
  • Shaft: straight
  • Weight: n/a
  • Warranty: n/a

Other features: 2-in-1 brush cutter / trimmer, adjustable U-handle, shoulder strap, recoil starting system, Air Cooling System

The Coocheer 2 in 1 is not only a gas string trimmer, but also a brush cutter. This allows you to complete multiple chores with just the one machine. So, you can not only trim lawn grass and weeds quickly with the ten inch cutting path, but also cut shrubs, vegetation, or thick grass using the 18 inch cutting blade. The 2 in 1 features a dual line bump feed head, which just needs to touch the grass to automatically feed more line. This means that you don’t need to keep stopping and starting your yard chores to adjust the line.

The 2 in 1 is equipped with a powerful 42.7cc engine that makes this one of the best 2 stroke gas string trimmer models on the market. This allows you to quickly and efficiently finish your yard jobs. The smooth pull start makes it easy to get the 2 in 1 started, reducing the resistance and allowing you to conserve a little energy for your trimming and edging.

The straight shaft makes it easier to reach around any shrubs, vegetation or landscaping features, while the quick change head allows you to convert from line trimmer to 3T blade in mere seconds.

The adjustable, ergonomic U handle features a slip free design and there is a shoulder strap ensures the machine is easy to balance and control. The split shaft also features a quick release for easy storage and transportation.

What we liked:

  • Adjustable handle and strap
  • Quick change head

What could be better:

  • Some users report that the trimmer can only handle light weeds, so you need to convert to the brush cutter

momiloeUS 42.7cc Shaft String TrimmerBest Straight Shaft Gas String Trimmer

  • Engine: 42.7cc, 2-cycle
  • Cutting swath: 10”
  • Line diameter: n/a
  • Shaft: straight
  • Weight: n/a
  • Warranty: 2-year commercial

Other features: string trimmer/brush cutter, adjustable spacer guard

The MomiloeUS trimmer is an ideal helper for your yard work. This trimmer & brush cutter features a ten inch cutting path to keep your pathways, flower beds and lawn neat, while the 18 inch cutting blade can tackle dense grass efficiently. The powerful 2 cycle 42.7cc engine is highly efficient to get your yard work completed more quickly. The pull starter has been designed to be smoother and easier with less resistance to give you a quick start with the minimal amount of effort. Additionally, this trimmer has a quick change head that allows you to convert your trimmer into a 3T blade in seconds.

Despite this impressive performance, the trimmer is lightweight, making it easy to hold and handle, while the double blade provides the freedom to easily tackle a variety of yard jobs from trimming your hedges through to clearing away old tree branches. This rugged trimmer can easily power through dense undergrowth and thick grass, while the offset handle provides superb user comfort and operation control.

The adjustable spacer guard helps to protect your flowers and yard ornaments, while the translucent tank allows you to monitor the fuel level as you’re working.

The Momiloe US is also designed to be compatible with different attachments, so you can customize your trimmer to suit your yard needs throughout the year.

What we liked:

  • Powerful 42.7cc engine
  • Comfortable U handle
  • 2 year commercial warranty

What could be better:

  • Higher price point

Remington RM2510Best for Easy Start

  • Engine: 25cc, 2-Cycle
  • Cutting swath: 16”
  • Line diameter: 0.095”
  • Shaft: curved
  • Weight: 13 lbs.
  • Warranty: 2-year limited

Other features: QuickStart technology, dual line bump head

The Remington RM2510 features a 25cc 2 stroke engine to offer excellent power to tackle medium sized lawns. This engine has been enhanced with the Remington QuickStart technology to make it easy to start the trimmer.

The curved shaft allows you to see the trimming point without a need to strain, while not increasing the bulkiness of the trimmer.

This ergonomic curve design ensures that the trimmer is easy to hold and use. You can also easily replace the line by gently tapping the head on the ground as you work. The dual line bump head also helps to improve the coverage, as the line is automatically fed when the head touches the grass. This allows you to finish your yard work in minutes.

The RM2510 is a little heavier than many other gas string trimmers at 13 pounds, but this a small price to pay for this powerful performance. However, it is still light enough to be maneuverable around your yard, so you won’t need a truck to carry it around your property.

What we liked:

  • The line is easy to replace
  • Features Quick Start technology

What could be better:

  • May be difficult for taller people to use


  • Engine: 26.5cc 4QL 4-cycle
  • Cutting swath: 7”
  • Line diameter: 0.095”
  • Shaft: straight
  • Weight: 12 lbs.
  • Warranty: n/a

Other features: pro-style front handle, attachment capable

The Senix GTS4QL-L is one of the best 4 stroke gas string trimmer models on the market. It features a 26.5 cc engine that does not require mixing oil and gas to fuel it. This lightweight and powerful machine employs a straight shaft design with a standardized coupler to offer extended reach under shrubs or bushes. The pro style handle has been carefully considered to make it easier to trim and edge your yard.

The GTS4QL-L is supplied with a shoulder strap to make maneuvering it easier, to reduce user fatigue and encourage smoother action. This eliminates much of the stress and strain of completing your yard tasks. You can also use the GTS4QL-L with attachments that further increases tool versatility.

This trimmer also features a dual line bump head to automatically release line as you’re working, so you don’t need to stop to adjust the line. This combined with the 17.7 inch cutting swath ensures that the GTS4QL-L can make lightweight of your yard tasks.

What we liked:

  • Powerful 4 cycle engine
  • Dual line bump head

What could be better:

  • Some users report that it does feel a little cheap

Wild Badger Power WBP31BCFBest for Home or Pro Use

  • Engine: 31 cc, 4-cycle
  • Cutting swath: 15”
  • Line diameter: 0.095”
  • Shaft: straight, 55”
  • Weight: 15 lbs.
  • Warranty: 6-year (home owners), 3-year (commercial)

Other features: string trimmer/brush cutter, recoil starter

The Wild Badger Power WBP31BCF is powered by a 31cc commercial grade full crank engine that is backed by one of the best warranties in the industry. There is also a full range of attachments and accessories that can be used with the Link On feature, so you just need one tool rather than half a dozen.

The WBP31BCF has undergone rigorous testing to ensure that it is up to the challenge and this is supported by a guarantee to highlight it is built to last. Homeowners can enjoy a six-year warranty, but there is also a three-year professional warranty.

Despite this impressive performance, the WBP31BCF has a lightweight design, weighing in at only 15 pounds. Although this is heavier than other trimmers on the market, Wild Badger Power claims that pound for pound, it is the toughest trimmer on the market.

The precision machined connection point is made of aircraft grade aluminum to provide the flexibility to add attachment without compromising the durability or weight.

The WBP31BCF is also remarkably easy to use. The ergonomic trigger is set with an automatic kill switch, while the soft grip handle ensures that this trimmer is easy and comfortable to use even for an extended period. It is also easy to reload, as the bump string trimmer spool automatically feeds new line as needed.

Finally, the transmission features a vented aluminum casing to reduce vibrations greatly, while the full crank design offers smooth operation to increase fuel efficiency and reduce emissions for a more environmentally friendly tool

What we liked:

  • 3-year professional warranty or 6 year homeowner warranty
  • Ergonomic trigger
  • Reduced vibration

What could be better:

  • It is heavier than many other models

Things to Consider

A trimmer is an essential tool for keeping your yard neat and tidy. However, with so many different models, it can be confusing to make your purchase decision. So, here we’ve created a buying guide with the features to look for, things to consider and the answers to some common questions to help you make your final choice.

Gas string trimmer vs. electric string trimmer

The two main types of string trimmer are gas or electric. Mains operated electric models have the advantage of running on electricity, so you don’t need to worry about fueling up, you just plug them in and you’re ready to go. However, the disadvantage to this is that you need to deal with the lead. The lead can be highly awkward and is likely to get in the way as you’re trying to trim your lawn. It can not only severely limit the distance you can move, but is also potentially dangerous as you are at risk of a shock if you inadvertently trim the lead.

This is where a gas string trimmer has the edge. Gas versions don’t have a lead to worry about and they are typically far more powerful. If you start to run out of gas, you just need to simply top it up and you can keep going. While gas string trimmers tend to be a little noisier, they do offer power and mobility, making them an essential tool for all your trimming and edging needs.

10 Best Gas String Trimmers for Power and Mobility

Features to consider when purchasing a gas string trimmer

With so many gas string trimmers on the market, it can be tricky to choose the best one for your specific requirements. Here we’ll explore some of the key features to consider to help you narrow down the options and choose the best model.


The engine is the heart of the trimmer and the most crucial part of the machine. The engine determines not only the speed of your grass trimmer, but also its toughness.

The capacity of gas string trimmer engines is measured in ccs like a car engine, with the smallest capacity at 15cc, but they can range in size up to approximately 50cc.
While a smaller engine may use less fuel and be lighter, they will also tend to have a lower speed and output.

Another aspect of trimmer engines to consider is the number of cycles. Two-cylinder engines use a mixture of gas and oil, while four-cylinder models have different compartments for fuel and lubricant.

The choice of engine in your string trimmer needs to be carefully considered. While there are powerful smaller engine models like the Echo GT-225, many models with this size of engine will lack the power to tackle tough garden trimming. However, larger engines can also increase the weight and vibration of the machine, which can lead to getting tired faster during operation.

String line

There are two basic choices of string line; single and double. Single line string trimmers tend to be the cheapest and easiest models to use. All of the power goes to a longer string, which means that they tend to operate at higher RPMs.

Dual lines refer to two shorter strings that are located under the shield. While these still quickly rotate, they do not operate at the same high RPM rates. This means that you’re not as likely to feel the stinging sensation of cut grass and weeds whipping at your legs as you’re using the trimmer. Dual line string trimmers also tend to more evenly cut the surface grass, creating a neater finish that can even up the look of your lawn.

Cutting swath

10 Best Gas String Trimmers for Power and Mobility

The cutting swath refers to the size of the cutting path. This becomes important when you have a lot of space to cover or odd shaped areas in your yard. The cutting swath of gas string trimmers can be as small as a 10-inch radius, but there are models such as the Craftsman WS205 that has a 17-inch radius.

You will need to assess the optimum cutting swath for your yard. While it may be tempting to opt for the largest possible, if you have lots of odds shapes in your yard, you may prefer the precision of a smaller cutting swath.


The length of the trimmer shaft is a crucial factor in weight distribution and maneuverability. Longer shafts ease turning from one position to another, it will also keep the fumes at a longer distance.

Some models also feature a detachable shaft, which makes them easier to store and transport.

However, one of the most obvious things that you’re likely to notice about trimmer shafts is the shape. Some have a curved shaft, while others are straight.

Some gardening experts argue that the shaft indicates the position of your back as you’re using it. So, you’ll need to stand upright with a straight shaft, but you’ll need to bend over if you’re using a curved shaft trimmer.

Generally, curved trimmers tend to be less expensive, but they can be more challenging to use, particularly if you’re taller, as you may find that you need to stoop, which will put you at risk of a serious backache.

Handles and vibration

Another thing you need to consider is that there will be vibration with any tool equipped with an engine. Therefore, you need to ensure that your gas string trimmer needs to have a decent handle to ensure that you can comfortably handle it when it is running.

Many models are equipped with ergonomic handles, so you can easily maneuver the trimmer, but it is also a good idea to look for a model with a shoulder strap to ensure optimum balance.

Heads and attachments

Many models such as the Craftsman WS205 are compatible with multiple heads and attachments. This increases the versatility of your trimmer as it can be used in place of multiple tools in your yard. However, if you just need a basic trimmer, it may not be worth paying a premium for this compatibility.


10 Best Gas String Trimmers for Power and Mobility

Since you’re likely to spend more than a few minutes trimming and edging your landscaping, you need to ensure that you choose a gas string trimmer that is a comfortable weight.

As we discussed above, the size of the engine can impact the weight of the unit, but this is not always the case. There are models with a small engine that are not lightweight. You need to choose a model that you can comfortably carry even for an extended period. You can also reduce the impact of the trimmer weight by choosing a model with a shoulder strap.


A warranty provides an assurance that a product is an excellent quality with no defects that will compromise the performance. If your product is under warranty and a fault does develop, you won’t need to face a hefty repair bill, as the manufacturer will repair or replace the item. Therefore, it is a good idea to choose a product that is supported by a decent warranty.


Whether you have a two-cycle engine that requires a mixture of gas and oil or a four-cycle engine that has separate compartments for the fuel and oil, you will need to check the manufacturer recommendations for the grade of gas that should be used. While some models may operate efficiently with ethanol 10% fuel, other models may suffer from carburetor issues if you use this type of fuel.

Again, this will vary according to the specific model. However, many of the gas string trimmers on our list feature smart start functions that make it easier to get the engine started.

You’ll need to follow the manufacturer’s instructions for changing the trimmer line, but again, the best models are designed to make this process easier.

Our Verdict

As you can see, there are some fantastic gas string trimmers on the market. From the straight shaft Craftsman WS205 with WeedWacker head that is compatible with other accessories, to the Echo GT-225, which is supported by an impressive five-year warranty and is highly durable to cope with any rocks or garden obstacles.

However, the stand out as the best gas string trimmer has to be our editor’s choice, the Husqvarna 129C. This impressive machine has lower exhaust emissions and reduced noise output, but it is the Smart Start system which makes this machine superb. This system makes it easy to start up, so you won’t waste your energy getting the machine started and can concentrate on getting your lawn trimmed and edged.

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