10 Best Walk Behind String Trimmers 2025 in the United States

The BILT HARD Walk Behind String Trimmer features a powerful 170cc 4-cycle OHV engine, offering ample cutting power for heavy mowing tasks. With a 22-inch cutting width, it covers a wide area, making it efficient for larger yards or farms. The trimmer uses a heavy-duty nylon line that is effective in clearing thick grass and weeds, ideal for maintaining overgrown areas.

The 14-inch never-flat wheels ensure easy maneuvering across different terrains, and the foldable ergonomic handle improves grip and storage convenience. However, the manual recoil starting mechanism might be less convenient for some users compared to automatic or electric start options. Weighing 54.1 pounds, it is relatively heavy, which might be a drawback for some users when pushing it around. The adjustable handle is a significant plus, offering customization for user comfort.

Assembly is required, which could be a disadvantage for those who prefer a ready-to-use product. This string trimmer is gasoline-powered, providing strong performance but also requiring regular maintenance and handling precautions. The product's robust design, including a one-piece steel deck, ensures durability and stability, although it may contribute to the weight. Its ability to reach tight spaces and tackle tough brush makes this trimmer well-suited for users with challenging landscaping needs.

The YARDMAX YL2250 is a gas-powered walk-behind string trimmer designed for users needing to handle large trimming tasks efficiently. Its 170cc engine offers robust power, making it suitable for heavy-duty yard work. The 22-inch cutting width covers a significant area, reducing the time needed for trimming. The trimmer line diameter is not specified, but the tool-free height adjustment feature offers five cutting heights ranging from 1.5 to 3.5 inches, providing versatility for different grass lengths and terrains.

The offset head position allows for easy trimming along edges and around obstacles without constant repositioning, which is a significant convenience feature. The 14-inch ball bearing wheels are robust and designed to navigate various terrains easily, enhancing maneuverability. The onboard trimmer string storage is a handy feature, ensuring you have extra strings on hand when needed. At 61.7 pounds, it is relatively heavy, which could make it difficult to handle for some users, especially in smaller or more intricate spaces.

The manual starting mechanism may require a bit of effort, particularly when dealing with a cold engine. However, the adjustable handle is a plus, as it can accommodate users of different heights, making it more comfortable to use. In summary, the YARDMAX YL2250 is a powerful, versatile, and user-friendly string trimmer, ideal for large yards and heavy-duty trimming tasks, but its weight and manual start could be drawbacks for some users.

The Yard Force 22 in. walk-behind string trimmer features a powerful 163cc Briggs & Stratton commercial-grade engine combined with a large 22-inch cutting width, making it suitable for efficiently trimming medium to large lawns. Its 'Check & Add' oil system simplifies maintenance by eliminating the need for regular oil changes. The trimmer utilizes a 0.155-inch line diameter, which balances cutting strength and line lifespan for typical grass and light weeds.

Equipped with 14-inch rubber-wrapped rear wheels, this mower rolls smoothly over various terrains and reduces effort on uneven ground. Weighing 68.3 pounds, it offers a balance between stability and maneuverability, although it might feel somewhat heavy during extended use for some users. The foldable handle enhances storage convenience and makes transportation easier.

This unit is well suited for homeowners with medium to large yards seeking a reliable, easy-to-maintain gas-powered trimmer mower. However, its manual starting system may be less convenient than electric start models, especially when starting the engine cold, and it may not be ideal for those looking for a lightweight or very easy-starting machine.