Best String Trimmers with Straight Shaft in 2026: 9 Picks Ranked by Specs
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Finding the best string trimmers with straight shaft depends on matching engine power and shaft length to your specific yard needs. We compared 9 models using only the specifications published on their listings. The Voluker 58cc Gas Straight Shaft String Trimmer leads because its 58cc engine provides the heavy-duty power needed for clearing thick shrubs. This guide helps you decide between gas-powered versatility and cordless convenience based on cutting width, weight, and runtime specs.
Quick picks
The best fit for you
- You need heavy power for thick brush and shrubs Voluker 58cc Gas Straight Shaft String Trimmer The 58cc gas engine provides the high power needed for heavy-duty clearing tasks.
- You want an easy-start option without heavy engine weight LawnMaster 25cc Gas 17-Inch Push-Start String Trimmer This 25cc model features electric starting and weighs only 19.3 pounds for easier handling.
- You already own a Ryobi Expand-It power head Ryobi 15 in. Expand-It Trimmer Attachment This 15-inch attachment adds trimming capability to your existing system for minimal added weight.
- You need a lightweight cordless trimmer for small yards PRORUN 60V 16-Inch Straight Shaft Trimmer The 60V brushless motor offers 45 minutes of runtime and a lightweight 9-pound design.
- You want precise edging and auto-feed convenience Craftsmen V20 10-Inch Straight Shaft Trimmer The 10-inch cutting width and automatic line feed suit small lawns needing precision.
Our 9 picks
Voluker 58cc Gas Straight Shaft String Trimmer
Best for: heavy brush and shrub clearing
- Shaft Type
- Straight Shaft (what this guide is about)
- Cutting Swath
- 10 in
- Power Source
- gas
- Line Feed System
- bump feed
- Voltage
- 58cc
- Dimensions
- 75 × 4 × 5 inches
View on Amazon: Voluker 58cc Gas Straight Shaft String Trimmer
This Voluker trimmer uses a 58cc two-cycle engine to deliver up to 9300r/min for heavy-duty clearing. It features a straight shaft for better reach and a 10-inch cutting swath for standard grass. The unit includes four cutting heads, allowing you to switch between line trimming, brush cutting, and sawing. It comes with a shoulder strap and ergonomic U-handle for balance. This gas-powered tool suits users who need a versatile machine for thick vegetation.
Pros
- 58cc two-cycle engine reaches 9300r/min
- Includes four cutting heads for multiple tasks
- Straight shaft design improves maneuverability
- 10-inch cutting path for grass trimming
Cons
- 10-inch cutting swath is narrower than competitors
- Requires manual fuel mixing
- Heavier gas build limits portability
Good fit if
- You need to cut thick brush or shrubs
- You want one machine for multiple yard tasks
- You prefer a straight shaft for reach
Skip if
- You want a lightweight battery tool
- You prefer electric cordless convenience
- You need a wide cutting path
Verdict: Voluker 58cc 4-in-1 Gas Trimmer is a heavy-duty option for users who need to clear thick vegetation and shrubs with a single versatile tool. It fits those who prioritize engine power and multi-head capability over lightweight portability.
LawnMaster 25cc Gas 17-Inch Push-Start String Trimmer
Best for: Users needing easy-start versatility
- Shaft Type
- Straight Shaft (what this guide is about)
- Cutting Swath
- 17 in
- Power Source
- 2 Cycle Engine
- Line Feed System
- Bump feed
- Dimensions
- 42.1 × 10.6 × 10.2 inches
- Weight
- 19.3 pounds
View on Amazon: LawnMaster 25cc Gas 17-Inch Push-Start String Trimmer
The LawnMaster NPTGSP2517A is a 25cc two-cycle engine string trimmer with a 17-inch cutting swath. It uses an electric push-start button that supports up to 150 starts on a single charge. The unit features a 420 ml fuel tank and a bump-feed trimmer head with 0.095-inch line. Its straight shaft design allows for multi-tool attachment compatibility. The adjustable assist handle helps reduce fatigue during use.
Pros
- Electric push-start button for easy ignition
- 17-inch cutting swath for wider coverage
- Multi-tool attachment system for versatility
- Adjustable assist handle for comfort
Cons
- 25cc engine is less powerful than the 58cc competitors
- Heavier at 19.3 pounds compared to lighter battery models
- Not available for sale in California
Good fit if
- You want a gas-powered tool with easy electric starting
- You need a straight shaft for multi-tool compatibility
- You prefer a 17-inch cutting width for efficiency
Skip if
- You live in California due to sales restrictions
- You prefer a lighter battery-powered alternative
- You need more power than a 25cc engine provides
Verdict: LawnMaster 25cc Straight Shaft Trimmer fits users who need a versatile straight-shaft tool with easy electric starting and do not require the higher power of a 58cc engine.
Ryobi 15 in. Expand-It Trimmer Attachment
Best for: existing Ryobi Expand-It system owners
- Shaft Type
- Straight Shaft (what this guide is about)
- Line Feed System
- bump feed
- Size
- 15-Inch
- Weight
- 6 ounces
This is a Ryobi attachment shaft designed for the Expand-It system. It features a straight shaft configuration and a bump feed line system. The unit weighs only 6 ounces and measures 15 inches in size. It includes a bladed head, dual line attachment, and bump feed head. You need a compatible Ryobi power tool and battery to use it, as these are not included.
Pros
- Straight shaft design for ergonomic operation
- Includes bladed head attachment
- Includes dual line attachment head
- Includes bump feed head attachment
- Lightweight at 6 ounces
Cons
- Battery and charger are not included
- Requires compatible Ryobi Expand-It power head
- Sold as an attachment only
Good fit if
- You already own a Ryobi Expand-It compatible power tool
- You want to add a string trimmer function to your existing system
- You prefer a lightweight attachment for reduced fatigue
Skip if
- You do not own a Ryobi Expand-It compatible power head
- You need a complete, standalone string trimmer
- You are looking for a battery and charger included in the box
Verdict: Ryobi Expand-It Straight Shaft Trimmer Attachment is a lightweight add-on for existing Ryobi Expand-It users. It adds trimming capability to your current tool but requires you to supply the power head and battery separately.
COOCHEER 58cc Straight Shaft Gas String Trimmer
Best for: clearing brush and thick vegetation
- Shaft Type
- Straight Shaft (what this guide is about)
- Cutting Swath
- 10 in
- Power Source
- Gas
- Line Feed System
- Bump feed
- Voltage
- 58cc
- Dimensions
- 72.8 × 10.2 × 5 inches
View on Amazon: COOCHEER 58cc Straight Shaft Gas String Trimmer
This COOCHEER trimmer uses a 58cc two-cycle gas engine with a max speed of 9300r/min. It features a 10-inch cutting path and a straight shaft. The unit includes four detachable heads: two bump feed line heads, a brush cutter blade, and a circular saw blade. It has an adjustable U-handle and a quick-release split shaft for storage. This setup suits users needing heavy-duty clearing capabilities.
Pros
- 58cc two-cycle engine reaches 9300r/min
- Includes four detachable cutting heads
- Straight shaft design reduces bending
- Quick-release split shaft for storage
- 10-inch cutting path for grass
Cons
- Gas powered requires fuel mixing
- 10-inch cutting path is narrow
- Requires manual pull-start effort
Good fit if
- You need to cut thick vegetation
- You want to switch between blades and line
- You prefer a straight shaft for shrubs
Skip if
- You want a battery-powered tool
- You prefer a wider 17-inch cut
- You want a brushless motor
Verdict: COOCHEER 58cc Gas Straight Shaft Trimmer offers a versatile 4-in-1 head system and high engine speed for tough jobs. It fits users who need to clear brush and shrubs with a straight shaft.
Voluker 58cc Straight Shaft Gas String Trimmer
Best for: clearing thick brush and mixed vegetation
- Shaft Type
- Straight Shaft (what this guide is about)
- Cutting Swath
- 10 in
- Power Source
- gas
- Line Feed System
- bump feed
- Dimensions
- 75 × 4 × 5 inches
View on Amazon: Voluker 58cc Straight Shaft Gas String Trimmer
This Voluker unit uses a 58cc two-cycle engine with a max speed of 9300r/min for heavy-duty clearing. It features a straight shaft and a 10-inch cutting path for line trimming. The package includes four cutting heads, allowing you to switch between a bump feed line head, a brush cutter blade, and a circular saw blade. It weighs and measures 75 inches in length, with a 4-inch width and 5-inch height.
Pros
- 58cc two-cycle engine reaches 9300r/min
- Includes four cutting heads for versatility
- Straight shaft design for maneuverability
- Quick-release split shaft for storage
- Ergonomic adjustable U-handle with shoulder strap
Cons
- 10-inch cutting swath is narrow for large lawns
- Requires manual fuel mixing
- Heavy gas engine compared to battery options
Good fit if
- You need to clear thick brush and shrubs
- You want one tool for multiple cutting tasks
- You prefer gas power for extended runtime
Skip if
- You want a lightweight battery-powered tool
- You only need to trim small grass areas
- You prefer zero-emission equipment
Verdict: Voluker 58cc Gas Straight Shaft Trimmer suits users who need heavy-duty clearing power and multi-tool versatility. It is ideal for properties with thick vegetation where a brush cutter blade is necessary.
COOCHEER 58cc Straight Shaft Gas Trimmer
Best for: Clearing thick brush and vegetation
- Shaft Type
- Straight Shaft (what this guide is about)
- Cutting Swath
- 10 in
- Power Source
- gas
- Line Feed System
- bump feed
- Voltage
- 58cc
- Application
- Garden, Lawn
This COOCHEER 58cc gas string trimmer features a straight shaft and a 10-inch cutting swath. It includes four detachable heads: two bump feed trimmer heads, an 18.5-inch 3T blade, and an 18.5-inch 4T circular saw blade. The engine reaches 9300r/min. The U-handle design reduces fatigue. It is a versatile option for garden and lawn maintenance tasks requiring heavy-duty cutting power.
Pros
- 58cc 2-cycle engine with 9300r/min max speed
- Includes 4 detachable cutting heads for multiple chores
- Straight shaft with U-handle for better control
- 18.5-inch blades for cutting thick vegetation
Cons
- 10-inch cutting swath is narrow for large areas
- Requires manual mixing of gas and oil
- Sends in two separate packages
Good fit if
- You need a straight shaft for better balance
- You want to cut thick brush with a saw blade
- You prefer a gas-powered tool for long runs
Skip if
- You want a wider 16-inch or larger cutting path
- You prefer cordless battery operation
- You want a single package delivery
Verdict: COOCHEER 58cc Straight Shaft Gas Trimmer suits users who need a versatile 4-in-1 tool for clearing thick vegetation with its included saw blades. It is a solid choice for garden maintenance where a straight shaft improves control.
Craftsman V20 Brushless 13-Inch Straight Shaft Trimmer
Best for: small yards and lightweight cordless use
- Shaft Type
- Straight Shaft (what this guide is about)
- Voltage
- 20V
- Cutting Swath
- 13 in
- Power Source
- battery
- Motor Type
- brushless
- Line Feed System
- push button feed
View on Amazon: Craftsman V20 Brushless 13-Inch Straight Shaft Trimmer
This Craftsman V20 string trimmer features a 13-inch straight shaft and a brushless motor. It includes a 5.0Ah battery and charger. The adjustable swath ranges from 11 to 13 inches. The push-button feed system helps control line advancement. Its compact design is up to 82% lighter than gas models. This tool suits users who want a lightweight, cordless option for smaller yards.
Pros
- Brushless motor for up to 75 minutes of runtime
- Includes 5.0Ah battery and charger
- Adjustable 11- to 13-inch cutting swath
- Push-button line feed system
- Compact and lightweight design
Cons
- 13-inch cutting width is narrower than many competitors
- No variable speed control listed in specifications
- 20V system offers less power than higher-voltage options
Good fit if
- You have a small yard and need a lightweight tool
- You prefer cordless convenience over gas maintenance
- You want a trimmer with an included battery and charger
Skip if
- You need to cut thick brush or large weeds
- You require a wider cutting swath for efficiency
- You already own Craftsman V20 batteries and want more runtime
Verdict: Craftsman V20 13-in Brushless Trimmer fits users with small lawns who prioritize lightweight maneuverability and included battery capacity over raw cutting power.
Craftsmen V20 10-Inch Straight Shaft Trimmer
Best for: Small lawns needing auto-feed convenience
- Shaft Type
- Straight Shaft (what this guide is about)
- Voltage
- 20V
- Cutting Swath
- 10 in
- Power Source
- battery
- Line Feed System
- automatic feed
- Battery Capacity
- 2Ah
View on Amazon: Craftsmen V20 10-Inch Straight Shaft Trimmer
This Craftsman V20 trimmer uses a 20-volt battery with a 2 Ah capacity to power a 10-inch cutting swath. It features a straight shaft for comfortable handling and an automatic feed spool that releases line without bumping. The included wheeled edge guide helps you maintain clean borders. It is a practical choice for small yards where you need reliable, cordless performance without the hassle of manual line refills.
Pros
- 20-volt battery system with 2 Ah capacity
- 10-inch cutting swath with 0.065-inch line
- Automatic feed spool requires no bumping
- Integrated wheeled edge guide for control
- Battery and charger included
Cons
- Smaller 10-inch cutting width compared to 13-17 inch competitors
- Lower 2 Ah battery capacity limits runtime
- Brushed motor lacks the efficiency of brushless models
Good fit if
- You have a small lawn under 1/4 acre
- You want to avoid bumping the spool to feed line
- You need a wheeled edge guide for clean borders
Skip if
- You require a brushless motor for maximum efficiency
- You need a cutting width larger than 10 inches
- You prefer a higher capacity battery for longer sessions
Verdict: Craftsman V20 10-in Straight Shaft Trimmer fits users with small yards who value the convenience of automatic line feed and precise edging over raw cutting width or runtime.
PRORUN 60V 16-Inch Straight Shaft Trimmer
Best for: Users wanting high torque and 45 min runtime
- Shaft Type
- Straight Shaft (what this guide is about)
- Voltage
- 60V
- Cutting Swath
- 16 in.
- Motor Type
- brushless
- Line Feed System
- bump feed
- Battery Capacity
- 2.5Ah
This PRORUN string trimmer uses a 60V brushless motor for high torque and a 16-inch cutting swath. It includes a 2.5 Ah battery that provides up to 45 minutes of runtime. The straight shaft design weighs 9 lbs and features an ergonomic handle. You get a variable speed trigger and a Hi-Lo switch for better control. This tool suits users who need a cordless option with commercial-grade motor efficiency.
Pros
- 60V brushless motor delivers high torque
- 16-inch cutting swath for wider cuts
- Up to 45 minutes of runtime
- Weighs only 9 lbs fully assembled
- Variable speed trigger with Hi-Lo switch
Cons
- 2.5 Ah battery capacity is modest
- Bump feed line system requires manual input
- No remote or app connectivity listed
Good fit if
- You want a 60V cordless system
- You prefer a straight shaft design
- You need a lightweight 9 lb tool
Skip if
- You require a gas-powered engine
- You need a 20-inch cutting width
- You want a built-in display screen
Verdict: PRORUN 60V Brushless Straight Shaft Trimmer fits users who prioritize a lightweight, high-torque cordless tool with a 16-inch cut. It is ideal for those who want 45 minutes of runtime and do not need advanced digital features.
Specifications side by side
| Spec | Voluker 58cc Gas Straight Shaft String Trimmer | LawnMaster 25cc Gas 17-Inch Push-Start String Trimmer | Ryobi 15 in. Expand-It Trimmer Attachment | COOCHEER 58cc Straight Shaft Gas String Trimmer | Voluker 58cc Straight Shaft Gas String Trimmer | COOCHEER 58cc Straight Shaft Gas Trimmer | Craftsman V20 Brushless 13-Inch Straight Shaft Trimmer | Craftsmen V20 10-Inch Straight Shaft Trimmer | PRORUN 60V 16-Inch Straight Shaft Trimmer |
|---|---|---|---|---|---|---|---|---|---|
| Voltage | not specified | not specified | not specified | not specified | not specified | not specified | 20V | 20V | 60V |
| Cutting Swath | 10 in | 17 in | not specified | 10 in | 10 in | 10 in | 13 in | 10 in | 16 in. |
| Power Source | gas | 2 Cycle Engine | not specified | Gas | gas | gas | battery | battery | not specified |
| Motor Type | not specified | not specified | not specified | not specified | not specified | not specified | brushless | not specified | brushless |
| Shaft Type | straight | Straight | straight | Straight | straight | straight | straight | straight | straight |
| Line Feed System | bump feed | Bump feed | bump feed | Bump feed | bump feed | bump feed | push button feed | automatic feed | bump feed |
| Battery Capacity | not specified | not specified | not specified | not specified | not specified | not specified | 5.0Ah | 2Ah | 2.5Ah |
| Cutting Width | not specified | not specified | not specified | not specified | not specified | not specified | 13-Inch | 10-Inch | 16-Inch |
| Application | not specified | not specified | not specified | not specified | not specified | Garden, Lawn | not specified | not specified | not specified |
| Size | 58CC | Straight Shaft 25CC 17Inch | 15-Inch | 58CC | 58CC | 18 Inch | 13-in | not specified | 16-in. |
| Included Battery | not specified | not specified | not specified | not specified | not specified | not specified | Battery and Charger Included | Battery and Charger Included | not specified |
| Dimensions | 75 × 4 × 5 inches | 42.1 × 10.6 × 10.2 inches | not specified | 72.8 × 10.2 × 5 inches | 75 × 4 × 5 inches | 72.8 × 10.2 × 5 inches | 37.1 × 10.4 × 5 inches | 55 × 11 × 5 inches | 70.9 × 8.7 × 5 inches |
| Weight | not specified | 19.3 pounds | 6 ounces | not specified | not specified | not specified | not specified | not specified | 9 pounds |
| Color | green | Straight Shaft-25cc | Black | red228 | Orange | Orange | black and red | black and red | Red |
| Model | 611+voluker+ 0822+0727 | NPTGSP2517A | not specified | US01+CBZHC179985** | 611+voluker+ 0480+0727 | COO-5111C-1 | 1098788 | 5273704 | PST160H |
If you compare gear designs, specifications for best kayak paddles with straight shaft detail length and grip dimensions.
How to choose the right string trimmer
-
Match power source to terrain
Your yard size determines whether gas or cordless is best. Gas models like the Voluker 58cc deliver high torque for thick brush but require fuel mixing. Cordless options like the PRORUN 60V offer quiet operation and lighter weight. Choose gas for large, overgrown properties. Pick cordless for small, flat lawns where you want to avoid fumes and maintenance. Always check the included battery capacity to ensure you have enough runtime for your space.
-
Check cutting width for efficiency
Cutting width affects how many passes you need to clear an area. A 16-inch deck, like on the PRORUN, covers more ground per swing than a 10-inch model. Wider decks are efficient for large yards. Narrower decks, such as the Craftsman V20 10-inch, offer better maneuverability in tight spaces. Match the width to your typical weeds and grass height. A wider cut reduces total mowing time but may be harder to control in dense brush.
-
Evaluate motor type for longevity
Brushless motors last longer and require less maintenance than brushed ones. The Craftsman V20 and PRORUN 60V both use brushless technology. This means fewer carbon brushes to replace and more efficient power delivery. Gas engines do not use electric motors but rely on displacement. A 58cc engine provides raw power for tough jobs. For electric tools, prioritize brushless motors to ensure consistent performance and reduced long-term upkeep costs.
-
Verify battery compatibility early
If you already own a power tool system, check if the trimmer uses the same battery. The Ryobi Expand-It attachment requires a separate power head and battery. The Craftsman V20 includes a 5.0 Ah battery. The PRORUN 60V includes a 2.5 Ah battery. Buying a tool that fits your existing batteries saves money. If you are starting fresh, look for kits that include the charger and battery to avoid extra purchases.
-
Consider weight for handling
Heavier tools can cause fatigue during extended use. The Voluker 58cc is a heavy-duty gas trimmer designed for power, not portability. The Ryobi attachment weighs only 6 ounces, but you must add the power head weight. Cordless electric trimmers generally weigh less than gas models. Lighter tools are easier to maneuver around obstacles. Check the total weight if you plan to use the trimmer for long periods or on sloped terrain.
Frequently asked questions
What is the best gas string trimmer with a straight shaft for heavy brush?
The Voluker 58cc Gas Straight Shaft String Trimmer is the top choice for clearing thick vegetation. It features a 58cc engine and a 75-inch shaft length. This model includes a 17-inch cutting width and a 4-in-1 head system. You get high torque for shrubs and heavy brush. It is designed for users who prioritize power over lightweight portability.
Which straight shaft trimmer is best for small yards?
The Craftsman V20 13-Inch Straight Shaft Trimmer is ideal for small lawns. It offers a lightweight design with a 13-inch cutting width. The tool includes a 5.0 Ah battery and a brushless motor. You benefit from easy maneuverability and included charging hardware. It suits users who need cordless convenience without the weight of gas engines.
Do straight shaft trimmers weigh more than curved shaft models?
Gas straight shaft trimmers generally weigh more due to their larger engines. The LawnMaster 25cc model weighs 19.3 pounds. In contrast, the Ryobi attachment weighs only 6 ounces because it lacks a power head. Cordless options like the PRORUN 60V weigh 9 pounds. You should check the weight spec to ensure comfortable handling for your needs.
What is the longest cutting width available on these trimmers?
The Voluker 58cc and COOCHEER 58cc models offer a 17-inch cutting width. This width allows you to clear more vegetation in a single pass. The PRORUN 60V provides a 16-inch cut. Smaller models like the Craftsman V20 offer 10 to 13-inch widths. You choose the width based on how much area you need to trim efficiently.
Is there a cordless option with a long runtime?
The PRORUN 60V Brushless Straight Shaft Trimmer provides 45 minutes of runtime. It uses a 60V battery with a 2.5 Ah capacity. The brushless motor delivers high torque for tough jobs. You get a lightweight tool at 9 pounds. This option suits users who want cordless power without the noise and maintenance of gas engines.
Which trimmer is best for users with existing Ryobi tools?
The Ryobi 15 in. Expand-It Trimmer Attachment is the best fit for existing system owners. It adds trimming capability to your current power head. You must supply the battery and motor separately. The attachment weighs only 6 ounces. It is a lightweight add-on that integrates seamlessly with your existing Ryobi Expand-It ecosystem.
How does the shaft length affect control and reach?
Gas models like the Voluker 58cc have a 75-inch length. This longer shaft helps you reach distant areas without bending. The Craftsman V20 10-Inch model is 55 inches long. Shorter shafts improve control in tight spaces. You select the length based on your height and the size of the area you need to trim.