10 Best 4-Cycle String Trimmers
for May 2023

MOOZ's editors select recommendations independently. Purchases made through our links may earn us commissions.

Maintaining a pristine and well-manicured lawn has never been easier with the advent of groundbreaking technology in the world of outdoor power tools. The string trimmer revolutionized grass cutting by providing a versatile and reliable alternative to traditional lawnmowers. And now, with the development of 4-cycle powered string trimmers, you can enjoy unparalleled cutting power with even more ease and efficiency. These trimmers are gas-powered and come with a straight shaft, making them ideal for manicuring lawns with accuracy and precision. The cutting technology used in these 4-cycle string trimmers enables them to effectively trim long, dense grass while also tackling stubborn weeds and wild shrubbery. This means that you won't need to pull out multiple tools to keep your lawn looking great. You can rely on a single 4-cycle string trimmer to handle all your trimming needs efficiently. These machines are also designed with comfort and convenience in mind. They come equipped with handles that are ergonomic, folding features for easy storage, and ball-bearing wheels that make short work of challenging terrains.

To help you navigate the world of 4-cycle string trimmers, we’ve rounded up the top ten best models available in the market right now. Our selection comprises diverse models that promise powerful cutting abilities and efficient trimming. Whether you’re a professional landscaper or a homeowner in need of a reliable tool for tidying up your lawn, our list of 4-cycle string trimmers is bound to have something that suits your needs. So, sit back, relax, and explore our collection of the top ten best 4-cycle string trimmers available today.

1
9.8
SCORE
Remington RM1159 159cc 4-Cycle Gas Powered Walk-Behind High-Wheeled String Trimmer - 22-Inch Trimming Mower for Lawn Care, Black

Remington RM1159 159cc 4-Cycle Gas Walk-Behind Powered High-Wheeled String Trimmer

by MTD Products
What We like

159cc OHV GAS ENGINE: Powerful 4-cycle gas engine helps you clear the tallest, toughest grass and weeds. Battle tested and battle ready to get the job done effectively and efficiently.

more infoarrow_drop_down

Product Features

  • TRIMMER LINE: STANDARD 0.155 DIAMETER.
  • COMFORT FOLDING HANDLE: Equipped with a comfort folding handle for convenient storage and transportation.
  • USER FRIENDLY: Off-set trimmer head feature helps to trim hard-to-reach places while the 14-inch ball-bearing wheels help you move easily through rough terrain. Maintain the command and control needed during operation.
  • 22-INCH CUTTING SWATH: Unique shape makes trimming around fences, garden beds, and other landscaping borders easier cutting bigger jobs down to size. Those hard-to-reach places just became easy-to-reach.
2
9.6
SCORE
TAZZ One-Piece Steel Deck, 22” Cutting Swath, Never Kill, Fold Down Handlebars 35258 Walk-Behind String Mower/Trimmer, 150cc 4-Cycle Gas Engine, Large 14

TAZZ One-Piece Steel Deck

by Ardisam
What We like

LARGE WHEELS, EASY STORAGE: Large 14" diameter wheels provide ample clearance and allow you to float over rugged terrain and through the densest of vegetation. Handlebars fold down easily for convenient storage.

more infoarrow_drop_down

Product Features

  • HEAVY DUTY DECK AND LINE: Our one-piece steel deck provides strength and stability while reducing vibration. Super Tough . 155 diameter nylon line and has a cutting swath of 22 to get the job done quickly.
  • NEVER KILL ENGINE: Unlike many competitive units, our engine will continue to run when the cutting head is disengaged so you can easily remove sticks branches or other obstacles without having to re-start the engine saving time and frustration.
  • FAST AND FRIENDLY: Perfect for mowing and trimming around your yard and property. Easily muscle through the toughest weeds and most stubborn brush without having to carry your equipment or strap it to your back.
  • POWERFUL VERSATILITY: Our 150cc engine has plenty of power to easily clear thick grass, weeds and other foliage around fence lines, tree lines and shorelines. This mower is also great for cleaning-up the edges of your yard in hard to reach corners where your mower doesnt fit.
3
9.2
SCORE
Craftsman CMXGTAMD30SA 30cc 4-Cycle 17-Inch Straight Shaft Gas Powered String Trimmer and Brushcutter-Weed Wacker with Attachment Capability for Lawn Care, Liberty Red

Craftsman CMXGTAMD30SA 30cc 4-Cycle 17-Inch Straight Shaft Gas Powered String and Trimmer Brushcutter-Weed Wacker with Attachment Capability for Lawn Care

by MTD Products
What We like

POWERFUL CUT: 30cc 4-cycle gas engine and 17-Inch cutting width allows you to trim more grass in less time for your tougher yard jobs.

more infoarrow_drop_down

Product Features

  • LESS NOISE AND OPERATOR FATIGUE: Quieter engine with multi-position handle to reduce vibration and operator fatigue. This allows the operator to have the comfortability and command needed to get the job done.
  • 2-STEP STARTING: Advanced 2-step and easy-start technology simplifies starting to just prime and pull allowing the operator to tackle yard work, lawn care, and other projects right away.
  • STRAIGHT SHAFT AND FIXED LINE HEAD: Straight shaft design makes it easier to trim around bushes and hard to reach places. Fixed-line head is designed for 0.95" CMX tri-color round line.
  • 4-CYCLE ADVANTAGE: No mixing of oil and gas necessary.
  • Engine Type: 4-Stroke
4
9
SCORE
WEMARS 38.9CC Gas String Trimmer 4-Cycle Gas Brush Cutter Straight Shaft 2 in 1 Cordless Grass Edger Weed Wacker Gasoline Powered Weed Eater (WS-ST38G)

WEMARS 38.9CC Gas String Trimmer 4-Cycle Gas Brush Cutter Straight Shaft 2 1 in Cordless Grass Edger Weed Wacker Gasoline Powered Weed Eater (WS-ST38G)

by WEMARS
What We like

Reasonable Design: A straight shaft handlebar design decrease operator fatigue during use with greater control giving the operator comfortability. Easy to handle because of the J-handle design, quick-release shaft for easy transportation and storage

more infoarrow_drop_down

Product Features

  • Versatile Use: Straight shaft design makes it easier to trim under bushes and hard to reach places , WEMARS Powered weed eaters for use with a variety of trimmer attachments, as well as gas brush cutters for clearing rough grass, thickets
  • 2 Change Head: Quick-change head allows you to convert from 3T blade to dual line head in seconds. Gas Dual Line Trimmer is intended to cut Lawn Grass and Small Grass. When the dual line string trimmer alone just can't get the job done, please change it to the 3T blade brush cutter to power through thick grass or vegetation, wet grass, heavy brush, dense or withered grass, ect
  • Powerful Engine 4 cycle 38.9cc gas weeding trimmer provides greater power to give you control and make easy work of tough trimming works. 2 in 1 cutter grass edger generally used for trimming areas of overgrowth after mowing and edging along borders, sidewalks and flower beds
5
8.8
SCORE
Husqvarna 324L 4-Cycle 18

Husqvarna 324L 4-Cycle 18" Path Cutting Gas String Trimmer

by Husqvarna
What We like

Have no worries when it is time to replace the trimmer line - the T25 trimmer head is designed for simple and easy line reloading

more infoarrow_drop_down

Product Features

  • A translucent fuel tank allows you to visually Monitor your fuel level as you work
  • Trimmer engine runs on unleaded gas, requiring no mixing of fuel and oil
  • Features a 25cc 4-cycle engine which powers the 18 inch (cutting width) trimmer head
  • Engine Type: 4-Stroke
  • Easily release New trimmer line as you work by tapping the trimmer head against the grass to activate the tap 'N Go line release feature
6
8.5
SCORE
EARTHQUAKE 28463 M205 Trimmer with 150cc 4-Cycle Viper Engine Walk Behind String Mower, Red/Black

EARTHQUAKE 28463 M205 Trimmer with 150cc Viper 4-Cycle Engine Walk Behind String Mower

by Ardisam, Inc.
What We like

CONVENIENT- Tool-less handlebar adjustment knobs provide compact storage and easy transportation. Never-go-flat wheels ensure that your equipment is ready to go when you are.

more infoarrow_drop_down

Product Features

  • POWERFUL - Powered by a strong, yet quiet, 150cc 4-Cycle Viper engine. The Earthquake M205 walk behind string mower chops down your unsightly weeds and stubborn brush with ease. The large 14-inch wheels allow you to float through thick grass, weeds, brush, nettles, and other foliage too difficult for push mowers to overcome.
  • OUT-OF-THE-BOX: The setup is super simple with virtually zero assembly required. Simply unfold and tighten the handlebar knobs. Also included in the box are starter strings for the mower head and 4 cycle engine oil.
  • NEVER KILL ENGINE: Unlike many competitive units, our engine will continue to run when the cutting head is disengaged so you can safely and easily remove sticks, branches or other obstacles without having to re-start the engine, saving time and frustration.
  • DURABLE - Our one-piece steel deck provides strength and stability while reducing vibration. Super tough nylon line has a cutting swath of 22 to get the job done quickly.
7
7.2
SCORE
HUYOSEN 38.9cc Grass Cutter Trimmer Gasoline Back-Pack Brush Cutter D-Handle Gas Trimmers for Grass 4-Cycle Gas Powered Multifunctional String Trimmer 3-in-1 Gasoline Weed Cutter

HUYOSEN 38.9cc Grass Cutter Trimmer Gasoline Back-Pack Brush Cutter D-Handle Gas Trimmers Grass for 4-Cycle Gas Powered Multifunctional String Trimmer 3-in-1 Gasoline Weed Cutter

by HUYOSEN
What We like

Powerful Engine : HUYOSEN grass trimmers work efficiently with powerful 38.9cc 4-cycle engine ,greater power . The max engine speed can be up to 7000r/min, allowing you to do heavy duty jobs and finish the job more efficiently and quickly,using less gasoline.You can save cost and time with the trimmer for grass.

more infoarrow_drop_down

Product Features

  • Convenient to Lubricate:For 2-cycle weed trimmer,you need to mix gasoline with engine oil in 25:1 .It is not so convenient.But 4-cycle grass cutter, trimmer engine runs on unleaded gas, requiring no mixing of fuel and gasoline.So you dont need to mix gasoline with fuel,more convenient.
  • Less Noise and User-friendly Design:Quieter engine to reduce vibration and noise.Ergonomic adjustable D-handle with slip-free design makes you feel comfortable. The grass cutter comes with an Anti-Vibration system that helps reduce operator fatigue. It is more convenient for you to operate with back-pack carrying design.
  • Extended Engine Life: Heavy duty filter system can ensure long engine life and extend maintenance intervals.2-tooth heavy duty metal blades for grass, weed or brush cutting application make work easier .
  • Safety Design:The debris shield mounted just above the cutting attachment helps protect operator from deflecting debris produced during the trimming operation.High safety valve throttle protection switch is against accidental starts and ensure user safety.
8
7.2
SCORE
Ryobi 4-Cycle 30cc Attachment Capable Straight Shaft Gas Trimmer RY4CSS, 18 in. cutting width

Ryobi 4-Cycle 30cc Attachment Capable Shaft Straight Gas Trimmer RY4CSS

What We like

This item is removed from retail packaging for shipping purposes (Bulk Packaged, No Retail Packaging) and will arrive in a generic shipping box

more infoarrow_drop_down

Product Features

  • Straight shaft for extended reach
  • 18 in. cutting width for faster trimming
  • No mixing of gas and oil
9
7.2
SCORE
SENIX GTS4QL-L 26.5cc String Trimmer with Straight Shaft and Bump Head, Blue

SENIX GTS4QL-L 26.5cc String Trimmer Straight with Shaft and Bump Head

by YAT
What We like

Pro-style front handle for easy trimming and edging.

more infoarrow_drop_down

Product Features

  • Straight shaft design for extended reach.
  • Power Source Type: Gas Powered
  • 26. 5cc 4QL 4-cycle full crank engine for low vibration power.
  • Engine Type: 4-Stroke
  • Attachment capable with standardized coupler.
10
7.2
SCORE
Ryobi RY34426 4-Cycle 30 cc Attachment Capable Curved Shaft Gas Trimmer

Ryobi RY34426 4-Cycle 30 cc Capable Attachment Curved Shaft Gas Trimmer

by Ryobi
What We like

This refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, and may arrive in a generic box

more infoarrow_drop_down

4-Cycle String Trimmers - The Perfect Lawn Care Tool

If you are a gardener, landscaper, or lawn enthusiast, you know how important it is to have the right tools to get the job done. One of those tools is the string trimmer, a versatile machine that helps you maintain your lawn and garden. Over the years, string trimmers have evolved, and one significant change was the invention of the 4-cycle string trimmer.

History of 4-cycle string trimmers:

The 4-cycle string trimmer came about as a result of advancements in engine technology. While 2-cycle engines were popular because of their lightweight and easy-to-use nature, they were also known for being noisy and polluting. The 4-cycle engine was considered a more significant improvement, and it was first introduced in the 1990s.

The benefits of 4-cycle string trimmers:

One of the most significant benefits of 4-cycle string trimmers is that they are more fuel-efficient than their 2-cycle counterparts. They also emit fewer pollutants, making them more environmentally friendly. Additionally, they are quieter and require less maintenance, which is a huge plus for those who use their trimmer regularly.

The ongoing developments in 4-cycle string trimmer technology:

The advancements in 4-cycle string trimmer technology have continued over the years. For example, modern 4-cycle engines are designed to deliver better performance with increased power and torque. The engines also feature cleaner-running technology that helps reduce emissions even further. Additionally, some manufacturers have developed cordless 4-cycle string trimmers, which are ideal for those who don't want to be tethered to an electrical outlet or deal with the hassle of cords.

The bottom line:

4-cycle string trimmers are a game-changer for anyone who wants a reliable, powerful, and eco-friendly tool for maintaining their lawn or garden. With advancements in technology continuing to improve these machines, we can only expect better performance and ease of use in the future.

1. Trimmer Line diameter - The choice of a standard 0.155-inch diameter trimmer line ensures that the user has enough cutting power to tackle most yard jobs. However, some users with heavier tasks may require a thicker diameter line for better results.

2. Comfort Folding Handle - The decision to include a folding handle ensures easy storage and transportation. The handle's comfort factor makes it more user-friendly, reducing the strain on the hands and improving the overall user experience.

3. 14-Inch Ball-bearing Wheels - The inclusion of the wheels makes the trimmer more mobile, allowing for easy movement through rough terrain. However, they can limit mobility in tight spaces or areas with obstacles, making it difficult to trim hard-to-reach places.

4. Cutting Swath - The unique shape of the trimmer's cutting swath makes it easier to trim around fences, garden beds, and other landscaping borders. However, the larger cutting swath may prove challenging to users working in small spaces, making it harder to maneuver around and between tight spaces.

Overall, the design choices made in this product focus on improving convenience and user-friendliness. While some of these choices may not work for all users or situations, they improve the user experience for those who are looking for a trimmer that is easy to use and maneuver.

FAQ About 4-cycle string trimmers

Q: Are 4 cycle string trimmers good?

A: Yes, 4 cycle string trimmers are good if you want a more powerful and efficient machine with lower emissions. They are heavier than 2 cycle trimmers, but they offer a cleaner and smoother operation.

Q: Does Stihl make a 4 cycle trimmer?

A: Yes, Stihl makes a range of 4 cycle trimmers such as the FS 56 RC-E, FS 70 RC-E, and FS 91 R.

Q: What string trimmer is the best for the money?

A: The best string trimmer for the money depends on your budget, needs, and preferences. However, some popular options with good value for money are the Black+Decker LST136 40V Max String Trimmer, Greenworks 13-Inch 40V Cordless String Trimmer, and the Husqvarna 128LD 17-Inch Straight Shaft Detachable String Trimmer.

Q: What is better 2 cycle or 4 cycle string trimmer?

A: The choice between 2 cycle and 4 cycle string trimmers depends on your needs and preferences. 2 cycle trimmers are lighter and more affordable, but they require a fuel-oil mixture and are louder and produce more emissions. 4 cycle trimmers are heavier and pricier, but they offer more power, reduced emissions, and a cleaner operation.

Q: What are the benefits of using a string trimmer with a folding handle?

A: A string trimmer with a folding handle is more convenient to store and transport as it takes up less space. It also provides more flexibility for different types of use as you can quickly adjust the handle position for comfort and reach.

And more, if you're in the market for a reliable and user-friendly trimmer, then look no further than the standard 0.155 diameter trimmer line with a comfort folding handle. This trimmer boasts an off-set trimmer head feature, making it perfect for trimming those hard-to-reach places. Additionally, the 14-inch ball-bearing wheels aid in moving with ease through rough terrain. With a unique shape and a 22-inch cutting swath, you'll have no problems trimming around fences, garden beds, and other landscaping borders. So, whether you're a gardening enthusiast or a professional landscaper, this trimmer will make your life more comfortable. Want to read more about trimmers? Check out our blog reviews on 7 Best 4-Cycle Weed Eater [Reviewed & Buyer's Guide] and 10 Best 4-cycle String Trimmers - BestReviews.Guide for more insights.

expand_less

I Agree
We use cookies to enhance and personalise your experience with us by collecting information about the pages you visit and actions taken on the site. More details