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 PowerSmart Gas Walk Behind String Trimmer DB6222 is equipped with a 161cc 4-cycle OHV gas engine, making it quite powerful for tackling tough cutting tasks. Its easy-start ignition system and auto choke simplify starting the trimmer, which can be a significant advantage for users who might struggle with traditional gas-powered equipment. The 22-inch cutting width and heavy-duty 0.155-inch trimming line make it ideal for large areas, efficiently cutting through deep weeds, brush, and tall grass.

It comes with 14-inch wheels and an adjustable cutting height (1.90-3.90 inches), which enhance its maneuverability over tough terrains and uneven surfaces. Additionally, the foldable handle allows for easy storage, saving space when the trimmer is not in use. Weighing 56 pounds, it is relatively hefty, which might be a consideration for some users in terms of ease of use and transport.

The inclusion of accessories like a funnel, wrenches, and extra trimmer lines adds value to the purchase. While it ranks #243 among walk-behind lawn mowers and has received a solid 4.0 rating from 259 reviews, indicating general customer satisfaction, the product's weight and manual operation mode might be drawbacks for some. Nonetheless, the 2-year limited warranty provides some peace of mind.

The SENIX High Wheel Gas Walk Behind Brush Cutter and String Trimmer is a robust tool designed to handle large areas with its 22-inch cutting swath and .155-inch line. The 160 cc 4-cycle engine provides ample power for tackling dense weeds and brush, and it is noted for being low on vibration and emissions, which is eco-friendly and enhances user comfort. The 14-inch rubber wheels aid in maneuverability, making it easier to navigate through uneven terrain.

Additionally, the steel deck's 5-position height adjustment feature allows users to customize the trimming height between 1.57 to 3 inches, providing flexibility for different yard conditions. The ergonomic handle adds to the comfort during use, and its ability to fold down simplifies storage. This model includes engine oil and a 20-inch string trimmer line, along with a 3-year limited warranty, which adds value and peace of mind for the buyer.

Weighing 48.5 pounds, it is moderately heavy, which might be a consideration for some users. The push-style mechanism and gasoline power source are standard for this category. For those dealing with large yards and tough terrain, this trimmer could be a suitable and efficient choice.