10 Best 4 Cycle Trimmers 2020

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

After analyzing products, scanning reviews, spending more than 36 hours of research and speaking with our test users, we think the CRAFTSMAN WS405 4-Cycle 17-Inch Attachment Capable Straight Shaft WEEDWACKER Gas is the one of the Best 4 Cycle Trimmer on the market.

CRAFTSMAN WS405 4-Cycle 17-Inch Attachment Capable Straight Shaft WEEDWACKER Gas – Best Overall 4 Cycle Trimmer

CRAFTSMAN WS405 4-Cycle 17-Inch Attachment Capable Straight Shaft WEEDWACKER Gas
  • 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" round line."
  • 2-STEP STARTING: Advanced 2-step and easy-start technology simplifies starting to just prime and pull.
  • LESS NOISE AND OPERATOR FATIGUE: Quieter engine with multi-position handle to reduce vibration and operator fatigue.
  • POWERFUL CUT: 29cc 4-cycle gas engine and 17-Inch cutting width allows you to trim more grass in less time for your tougher yard jobs.
  • 4-CYCLE ADVANTAGE: No mixing of oil and gas necessary.

Wild Badger Power WBP31BCF 31 cc Gas 4-Cycle 2-in-1 Straight – Best under $200

Wild Badger Power WBP31BCF 31 cc Gas 4-Cycle 2-in-1 Straight
  • Powerful 31cc 4-cycle full crank quick start engine
  • No need to mix gas and oil
  • Includes both string trimmer spool and brush cutter blade
  • Straight shaft design for increased comfort and ease of use
  • 17 in. cutting swath

SENIX GTS4QL-L 26.5cc String Trimmer with Straight Shaft and Bump – Best Budget 4 Cycle Trimmer

SENIX GTS4QL-L 26.5cc String Trimmer with Straight Shaft and Bump
  • 26.5cc 4QL 4-cycle full crank engine for low vibration power.
  • Straight shaft design for extended reach.
  • Pro-style front handle for easy trimming and edging.
  • Attachment capable with standardized coupler.
  • Dual .095 line bump head with 17.7" Cutting swath.

Honda UMC435LAAT VersAttach System 4 Cycle 35cc Power Head – Premium Pick

Honda UMC435LAAT VersAttach System 4 Cycle 35cc Power Head
  • Honda's easy starting GX 35 cc 4-stroke engine, it runs on straight, unleaded gas, no need to mix gas and oil
  • Honda's innovative SureLoc joint locking system makes it easy to connect attachments with confidence, just push and click to lock your attachment in place, no tools are required SureLoc takes the guesswork out of knowing if the attachment is properly secured to the powerhead
  • Equipped with Honda's anti-vibration system, a rubber mounted shaft between the shaft and the clutch reduces vibration, this creates a more comfortable user experience, especially for long periods of operation
  • 360-Degree inclinable engine that can be used, rotated and stored in any position
  • Protect your ears Honda's superior engine technology reduces noise, offering the lowest sound level at idle and full throttle of any competitor

Ryobi RY4CCS 4-Cycle 30cc Attachment Capable Curved Shaft Gas Trimmer

Ryobi RY4CCS 4-Cycle 30cc Attachment Capable Curved Shaft Gas Trimmer
  • No mixing of gas and oil
  • Attachment capable to save time, money, and space
  • Curved shaft for lighter handling

Husqvarna Gas Straight Shaft String Trimmer 128LD

Husqvarna Gas Straight Shaft String Trimmer 128LD
  • Features a 28cc 2-cycle engine which powers the 17 inch (cutting width) trimmer head
  • Trimmer engine runs on a mixture of unleaded gas and 2-cycle oil (2.6 oz bottle is included, see bottle for mixing instructions)
  • 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
  • Have no worries when it is time to replace the trimmer line - the T25 trimmer head is designed for simple and easy line reloading
  • A translucent fuel tank allows you to visually monitor your fuel level as you work
  • Conveniently remove unwanted air from the carburetor and fuel system using the air purge primer bulb
  • Utilize the full potential of this tool with the optional attachments: the edger keeps your lawn, pathways and flower beds looking neat, with a clearly defined edge (952711607); the cultivator is great for tilling small areas in your yard like flower beds and beneath trees (952711608); the pole saw gives you extra reach when you need it for those hard to reach limbs (952711672)
  • String trimmer is backed by a 2-year limited warranty for residential use

Husqvarna 967055801 324L Gas String Trimmer

Husqvarna 967055801 324L Gas String Trimmer
  • Features a 25cc 4-cycle engine which powers the 18 inch (cutting width) trimmer head
  • Trimmer engine runs on unleaded gas, requiring no mixing of fuel and oil
  • 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
  • Have no worries when it is time to replace the trimmer line - the T25 trimmer head is designed for simple and easy line reloading
  • A translucent fuel tank allows you to visually Monitor your fuel level as you work
  • Conveniently remove unwanted air from the carburetor and Fuel system using the air purge primer bulb
  • String trimmer is backed by a 2-year limited for residential use

Remington RM2510 Rustler 25cc 2-Cycle 16-Inch Curved Shaft Gas String – Best under $100

Remington RM2510 Rustler 25cc 2-Cycle 16-Inch Curved Shaft Gas String
  • 25CC GAS ENGINE: QuickStart technology Engine to make pull starts easier.
  • CURVED SHAFT: Curved shaft design makes cutting and trimming parts of your lawn more comfortable and balanced.
  • DUAL LINE BUMP HEAD: Avoid interrupting your yard job! Simply tap the head on the ground to feed more line on your trimmer.
  • 095? line: Thicker line for more durability and greater control getting those thicker patches of grass and shrubs.
  • 16-INCH CUTTING SWATH: Trims wider sections of tall grass in less time.Spark Plug Gap:. 0.025 inch
  • WARRANTY: 2-year limited.

26CC 2 Cycle 4 in 1 Multi Tool with Grass

26CC 2 Cycle 4 in 1 Multi Tool with Grass
  • RELIABLE, QUICK STARTING, AND COMFORTABLE - 26cc 2 cycle gas full crank shaft power head
  • 4-IN-1 COMBO - Includes trimmer attachment, brush cutter blade, hedge trimmer attachment and rotatable pole saw attachment
  • 4 TOOLS IN 1 - Quickly convert the unit into a string trimmer, brush cutter, hedge trimmer or pole saw. Universal attachment connection
  • LONGER ENGINE LIFE AND BETTER FUEL EFFICIENCY - The full crank shaft design reduces exhaust, increases fuel efficiency and provides longer life
  • GET MORE DONE IN COMFORT - Engine transmission is supported by an aluminum support which greatly reduces vibration

Troy-Bilt TB575 EC 29cc 4-Cycle 17-Inch Straight Shaft Trimmer

Troy-Bilt TB575 EC 29cc 4-Cycle 17-Inch Straight Shaft Trimmer
  • This 4-Cycle Trimmer is powered by a 29cc engine delivers maximum torque for the constant power you need
  • The Straight shaft design provides users with an extended reach under shrubs and bushes
  • Equipped with JumpStart capability that eliminates the need to pull cord to start trimmer (engine starter sold separately)
  • The convenient dual line bump head makes loading more string to your trimmer easy so detatchments won't slow you down for long, and 17-Inch cutting swatch ensures trimmer efficiency
  • Connects to attachment-capable trimmers, including Troy-Bilt, Remington and Craftsman and more!

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