A brushcutter is a powerful tool designed to clear dense brush by slicing it into manageable pieces. It excels at tough vegetation jobs and can also handle mowing grass with ease.
Brushcutters come in wheeled models, similar to oversized lawnmowers, and backpack styles worn by the user. This guide focuses on backpack brushcutters, which I’ve used extensively for years in various terrains.
The backpack brushcutter features a heat engine at one end and a cutting head at the other, connected by a rigid tube housing a flexible drive shaft that powers the cutting action. Two handles on the tube allow precise control of direction and speed, plus an on/off switch for safety.
For soft herbaceous plants and grass, a trimmer head (rotofil) with nylon line works perfectly. It typically deploys two lines from a spool. I recommend semi-automatic spools: a light tap on the ground releases fresh line via a spring mechanism, saving valuable time during operation. Always handle with care—nylon lines can nick house plaster, garden edging, or tree bark.
For woody brush, opt for a metal blade. Models with 3 or 4 teeth are my go-to for versatility. Blade selection depends on vegetation type and engine power. Consult your garden equipment specialist to match the blade to your brushcutter model and job. Beware of flying debris like stones or wood fragments, which can become dangerous projectiles.
Continue reading for tips on using U-blades for shredding straw, brush, and composting.
Safety is non-negotiable with brushcutters. Start with proper personal protective equipment (PPE). Secure the harness so your arms form a 90° angle, adjusting handle height to minimize fatigue. Wear long pants, closed-toe shoes (or safety boots for heavy brush), a helmet with visor, and gloves—even in heat, as they prevent many injuries. Warn bystanders to stay clear.
Warm up with wrist, neck, and hip rotations before starting. When cutting, pivot from the arms and shoulders with one foot forward, keeping your pelvis stable to protect your lower back from strain.
