21 Best Walk Behind String Trimmers [Updated 2023]

Walk behind string trimmers

When it comes to maintaining your yard, having the right tools can make all the difference. For tackling overgrown grass and weeds, a walk-behind string trimmer is a valuable asset. These powerful machines offer unmatched convenience and efficiency, allowing you to trim your lawn with precision and ease. However, choosing the best walk-behind string trimmer can be a daunting task, as there are numerous models available with varying features and capabilities. To help you make an informed decision, we’ve compiled a comprehensive guide highlighting the essential factors to consider when selecting a walk-behind string trimmer. Read on to discover how you can find the perfect tool to keep your lawn looking pristine.

When selecting a walk-behind string trimmer, one of the primary considerations is its power source. Electric and gas-powered models are the most common types, each with its own advantages and disadvantages. Electric trimmers are typically lighter and easier to handle, making them ideal for smaller lawns. They also operate more quietly than gas-powered trimmers, reducing noise pollution. However, electric trimmers are limited by their cord length, which can restrict your mobility. On the other hand, gas-powered trimmers offer more power and freedom of movement, making them suitable for larger lawns. However, they tend to be heavier and louder than electric models, and they require fuel to operate.

Another important aspect to consider is the cutting diameter of the trimmer. The cutting diameter refers to the width of the area that the trimmer can cut in a single pass. A larger cutting diameter allows you to cover more ground quickly, which is ideal for larger lawns. However, trimmers with wider cutting diameters can be more difficult to maneuver in tight spaces. For smaller lawns or areas with obstacles, a trimmer with a narrower cutting diameter may be more suitable. Additionally, pay attention to the type of line used by the trimmer. Trimmers can use various line thicknesses, ranging from 0.065 inches to 0.155 inches. Thicker lines are more durable and can cut through thicker vegetation, but they may also reduce the trimmer’s efficiency. Conversely, thinner lines are more efficient but less durable.

Power and Performance: The Key to Efficient Trimming

The Heart of the String Trimmer: Engine or Electric?

The first and foremost consideration when choosing a walk-behind string trimmer is its power source. The two main options are gasoline-powered engines and electric motors. Gasoline-powered trimmers offer unmatched power and torque, making them ideal for heavy-duty tasks like clearing thick brush and overgrown grass. However, they come with the drawbacks of noise, emissions, and the need for fuel and maintenance.

Electric string trimmers, on the other hand, are quieter, more environmentally friendly, and require minimal maintenance. They are powered either by corded AC power or cordless rechargeable batteries. Corded trimmers provide a constant, reliable power supply, but limit mobility. Cordless trimmers offer greater freedom of movement, but have runtime limitations based on battery capacity.

Engine Power

The engine power of a gasoline-powered string trimmer is measured in cubic centimeters (cc). Higher cc ratings generally indicate greater power and efficiency. For moderate to heavy-duty trimming, a trimmer with an engine size of 25-35cc is recommended. For larger properties or demanding tasks, consider a trimmer with an engine size of 40cc or more.

Ergonomics and Comfort: Enhancing User Experience

Ergonomic Considerations

Ergonomics plays a vital role in ensuring comfort and reducing fatigue during string trimming. Consider the following ergonomic factors:

Weight distribution: Ideally, the trimmer should be well-balanced, with the weight evenly distributed between the motor head and cutting head. This reduces stress on your arms and shoulders.
Handle design: Comfortable handles with padded grips or ergonomic contours prevent hand fatigue and cramping. Choose a trimmer with handles that fit your hand size and provide a secure grip.
Vibration dampening: Some trimmers feature anti-vibration systems in their handles or motor housings. These systems absorb vibrations and reduce discomfort, especially during prolonged use.

Comfort Features

Beyond ergonomics, several comfort features can enhance your trimming experience:

Adjustable length: Adjustable shafts or handles allow you to customize the trimmer’s height to suit your height and comfort level.
Assistant handles: Optional assistant handles provide additional support and stability, reducing strain on your arms and back.
Shoulder straps: If you’re planning on extended trimming sessions, consider a trimmer with shoulder straps to distribute the weight across your body.

Feature	Benefit
Adjustable length	Tailored to your height, reducing strain
Assistant handles	Extra support and stability
Shoulder straps	Distributes weight for extended use

Design Features: Practicality and Convenience

1. Cutting Swath and Line Thickness

The cutting swath refers to the width of the area that the trimmer can cut with each pass, which typically ranges from 12 to 20 inches. A wider swath means you can cover more ground in less time, but it may also be more challenging to maneuver in tight spaces.

Line thickness is crucial as well, as it determines the trimmer’s cutting power. Thicker lines, such as 0.080 or 0.095 inches, are ideal for thicker grass and weeds but may require more frequent replacement. Thinner lines (0.065 or 0.050 inches) are more suitable for lighter cutting tasks and are less likely to break or become tangled.

2. Weight and Balance

The weight and balance of a trimmer can significantly impact your comfort and efficiency during extended use. Heavier trimmers offer more stability but can be more tiring to operate. Lighter trimmers are easier to maneuver but may lack the power to tackle heavier vegetation.

The balance of a trimmer determines how it feels in your hands. A well-balanced trimmer will minimize strain and vibration, allowing you to work for longer periods without discomfort.

3. Ergonomic Design and Comfort Features

Ergonomic design is vital for reducing strain and fatigue during prolonged usage. Look for trimmers with comfortable grips that fit your hands well and reduce vibration. Adjustable handles and shoulder straps can also enhance comfort, especially for extended trimming sessions.

Some trimmers offer additional comfort features such as:

Feature	Benefit
Telescoping shaft	Adjusts to different user heights for optimal comfort
Padded shoulder strap	Distributes weight evenly, reducing shoulder fatigue
Swivel head	Allows you to trim at different angles without straining your body
Soft-grip handle	Provides a comfortable and secure grip

Cutting Width and Capacity: Achieving Desired Results

When selecting a walk-behind string trimmer, cutting width and capacity are crucial factors to consider for achieving your desired results. Cutting width refers to the diameter of the area that the trimmer can cover in a single pass, while capacity indicates the amount of trimming line that the trimmer can hold. Both factors play a significant role in determining the efficiency and effectiveness of your trimming experience.

Cutting Width:

Cutting width directly impacts the speed and ease with which you can trim grass or weeds. A wider cutting width allows you to cover larger areas in less time, while a narrower cutting width provides greater precision in tight spaces or around obstacles.

Capacity:

Capacity determines how often you need to stop to replace the trimming line. A larger capacity means fewer interruptions and a more continuous trimming experience. The capacity of a string trimmer is typically measured in feet or meters of line that it can hold.

Line Thickness:

The thickness of the trimming line also affects cutting width and capacity. Thicker lines cut through tougher vegetation more effectively, but they require more power from the trimmer and can reduce cutting width. Thinner lines are easier to maneuver and provide a more precise cut, but they are less durable and may require more frequent replacement.

Cutting Width	Capacity	Line Thickness
15-18 inches	20-30 feet	0.095-0.110 inches
19-22 inches	30-40 feet	0.110-0.130 inches
23-26 inches	40-50 feet	0.130-0.150 inches

By considering these factors in relation to your specific trimming needs, you can choose the walk-behind string trimmer that provides the optimal combination of cutting width, capacity, and line thickness for your desired results.

Fuel Efficiency and Emissions: Environmental Considerations

Fuel Efficiency vs. Power

Fuel efficiency and engine power are often inversely related. High-power trimmers with larger engines consume more fuel, while smaller engines are more fuel-efficient but may not provide enough power for heavy-duty trimming. Consider the size of your yard and the thickness of the vegetation you’ll be trimming to choose the optimal balance between fuel efficiency and power.

Emissions and Air Quality

String trimmers emit hydrocarbons, carbon monoxide, and other pollutants that contribute to air pollution. Newer models feature low-emission engines that meet Environmental Protection Agency (EPA) standards, reducing their environmental impact. Consider models with these types of engines for a greener option.

Noise Pollution

String trimmers can generate significant noise levels, which can be a nuisance to neighbors or yourself. Look for models with noise-dampening features, such as vibration-absorbing handles or enclosed engines, to minimize noise pollution.

Fuel Type

String trimmers can be powered by gasoline, electric, or battery. Gasoline-powered trimmers offer the most power but are also the least fuel-efficient and most polluting. Electric trimmers are less powerful but more environmentally friendly, while battery-powered trimmers provide cordless convenience but may have shorter run times than corded models.

Environmental Considerations

Below is a table summarizing the environmental factors to consider when choosing a string trimmer:

Environmental Factor	Gasoline	Electric	Battery
Fuel Efficiency	Least efficient	More efficient	Most efficient
Emissions	Highest emissions	Lower emissions	No emissions
Noise Pollution	Loudest	Quieter	Quietest

Durability and Reliability: Long-Lasting Performance

Durability and reliability are essential factors to consider when investing in a walk-behind string trimmer. A well-built trimmer should withstand frequent use and various outdoor conditions without breaking down or requiring frequent repairs. Here are some key aspects to look for:

Build Quality

The overall construction of the trimmer should be sturdy and well-engineered. Look for models with solid metal frames, impact-resistant housing, and durable handles. These components can endure rough handling and protect the inner mechanisms from damage.

Engine Power and Longevity

The engine’s power and longevity determine the trimmer’s performance and lifespan. Powerful engines can tackle tough weeds and dense vegetation effectively. Brands like Honda, Briggs & Stratton, and Echo have a reputation for reliable engine performance.

Shaft Durability

The shaft connects the engine to the trimmer head and must withstand vibrations, bumps, and accidental drops. A solid steel or aluminum alloy shaft provides exceptional strength and durability.

String and Head Design

The type of string and the design of the trimmer head influence the trimmer’s longevity. Thick, twisted line can last longer and cut through weeds more effectively. Trimmer heads with bump-feed mechanisms allow for easy line advancement without stopping to manually feed the line.

Warranty

A comprehensive warranty demonstrates the manufacturer’s confidence in the product’s durability. Look for trimmers with at least a 2-year warranty on parts and labor to ensure peace of mind and protection against unexpected costs.

Additional Durability Considerations

Consider the following factors to enhance the longevity of your string trimmer:

Feature	Benefits
Anti-vibration technology	Reduces fatigue and improves operator comfort
Easy maintenance	Quick and convenient access to air filter and spark plug for cleaning and replacement
Adjustable handles	Customizable to fit different heights and body positions

Noise Level and Vibration: Ensuring Operator Comfort

When it comes to string trimmers, noise level and vibration can significantly impact the comfort and experience of the operator. Here are a few key considerations to ensure optimal comfort during operation:

Noise Level

Noise level is measured in decibels (dB) and can be a major concern for operators. Extended exposure to loud noises can lead to hearing damage and other health issues. Look for trimmers with lower noise levels, ideally around 85 dB or below. Electric trimmers generally produce less noise than gas-powered models.

Vibration

Vibration is another important factor to consider. Excessive vibration can cause discomfort and fatigue, especially during prolonged use. Trimmers with ergonomic handles and anti-vibration systems help reduce vibration and improve operator comfort.

Additional Considerations

Handle Design

The handle design should provide a comfortable and secure grip. Look for trimmers with adjustable handles to suit different heights and hand sizes.

Weight

The weight of the trimmer can affect operator fatigue. Choose a lightweight trimmer if you plan on using it for extended periods.

Shoulder Strap

A shoulder strap can help distribute the weight of the trimmer and reduce strain on the arms and back.

Feature	Benefits
Lower Noise Level (85 dB or below)	Reduced risk of hearing damage and noise-related discomfort
Anti-Vibration System	Reduced vibration for greater comfort and less fatigue
Ergonomic Handles	Improved grip and reduced strain on hands
Adjustable Handles	Customization for different heights and hand sizes
Lightweight Design	Reduced operator fatigue during prolonged use
Shoulder Strap	Even weight distribution and reduced strain on arms and back

Maneuverability and Accessibility: Effortless Lawn Care

Effortlessly tackle corners and edges with easy-to-handle string trimmers designed for exceptional maneuverability. Their lightweight construction and ergonomic handles provide unparalleled control, allowing you to zip through tight spaces and reach around obstacles with ease.

Curved Shaft for Enhanced Reach

Trimmers with curved shafts provide an extended reach, allowing you to comfortably trim underneath decks, shrubs, and other challenging areas. The curved design eliminates the need for bending or kneeling, making it less strenuous on your body.

Adjustable Cutting Head for Precision

Customize your cutting experience with adjustable cutting heads that allow you to switch between various angles and heights. With a simple adjustment, you can trim vertically for edgings or horizontally for faster lawn trimming.

Pivot Head for Flexible Cutting

Pivot heads offer exceptional versatility by rotating up to 90 degrees in either direction. This feature empowers you to trim in tight corners or hard-to-reach areas without having to reposition the trimmer.

Telescoping Handles for Extended Reach

Extend your reach with telescoping handles that adjust to your desired height. This feature is especially beneficial for taller individuals or those who need to trim areas that require height extension.

Split Shafts for Compact Storage

Split shafts allow you to disassemble your string trimmer for easy storage and transportation. By separating the shaft into two parts, it becomes more compact and easy to fit into tight spaces, such as garages or storage sheds.

Comfortable Grips for Reduced Fatigue

Ergonomic grips provide a comfortable grip, reducing fatigue during extended use. Soft rubber handles absorb vibrations and prevent blisters, ensuring a more enjoyable trimming experience.

Table of Features

Feature	Benefits
Curved Shaft	Enhanced reach for hard-to-access areas
Adjustable Cutting Head	Customizable angles and heights for precision trimming
Pivot Head	Flexibility for tight corners and hard-to-reach areas
Telescoping Handles	Extended reach for taller individuals or elevated areas
Split Shafts	Compact storage and easy transportation
Comfortable Grips	Reduced fatigue and increased comfort during extended use

Attachments and Accessories: Versatility and Customization

Hedge Trimmers

For manicured hedges or trimming shrubbery, a hedge trimmer attachment is an excellent choice. These attachments provide powerful cutting action with precision-ground blades for clean, even cuts.

Edgers

For sidewalks, driveways, or around flower beds, an edger attachment effortlessly trims and defines edges. It allows for precise control and a clean, professional finish.

Pole Saws

Reach high branches with a pole saw attachment. This extension provides added height, making it easy to prune trees, cut limbs, or access hard-to-reach areas.

Cultivators

For soil preparation and weed removal, a cultivator attachment tills and aerates the soil effectively. It helps improve soil quality and promotes plant growth.

Blowers

To clear leaves, debris, or dirt from sidewalks, driveways, or other surfaces, a blower attachment quickly removes unwanted materials with powerful air flow.

Mulching Kits

Mulching kits convert cut grass into a fine mulch, reducing waste and returning nutrients to the soil. They cut and shred clippings simultaneously, providing a natural fertilizer for your lawn.

Vacuum Attachments

For efficient cleanup, a vacuum attachment collects grass clippings, leaves, and other debris in a bag or bin. It allows for easy disposal and maintenance of yard waste.

Extension Cords and Handles

Extend the reach and flexibility of your string trimmer with extension cords and adjustable handles. These accessories provide additional length and ergonomic comfort, allowing you to work effectively in larger areas.

Value for Money: Finding the Best Investment

When it comes to string trimmers, value for money is a crucial factor to consider. Here are some tips for finding the best investment:

Research and Compare:

Thoroughly research different models and brands to compare features, specifications, and reviews. Look for trimmers that offer a balance between performance and affordability.

Consider Usage Frequency:

Determine how often you’ll use the trimmer. If it’s for occasional trimming, a budget-friendly model may suffice. For frequent use, invest in a higher-quality trimmer with durability and performance.

Look for Efficiency Features:

Features like variable speed control, adjustable cutting heads, and anti-vibration technology can enhance efficiency and user comfort. Consider trimmers with these features to save time and effort.

Maintenance and Durability:

Choose trimmers with easy-to-replace parts and durable construction. This will minimize maintenance costs and extend the trimmer’s lifespan, saving you money in the long run.

Warranty and Customer Support:

A comprehensive warranty and reliable customer support are essential for peace of mind. Look for manufacturers that offer extended warranties and responsive support channels.

Specific Recommendations:

Best Value for Money String Trimmers:

Model	Features	Price Range
Black+Decker 14-Inch String Trimmer	14-inch cutting path, variable speed, adjustable cutting head	$40-$60
Echo 17-Inch Gas String Trimmer	17-inch cutting path, gas-powered, heavy-duty	$150-$200
Greenworks 15-Inch Electric String Trimmer	15-inch cutting path, electric, lightweight	$90-$120

Best Walk Behind String Trimmer

When it comes to keeping your lawn looking its best, a walk behind string trimmer is a must-have tool. These trimmers are powerful and efficient, and they can make quick work of even the toughest weeds and grass. But with so many different models on the market, it can be difficult to know which one is right for you.

To help you make the best decision, we’ve compiled a list of the best walk behind string trimmers on the market. These trimmers are all top-rated by consumers, and they offer a variety of features to meet your needs.