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A detailed buying guide: how to choose a petrol trimmer, brushcutter, hedge trimmer and pole pruner.
This section covers petrol grass trimmers and brushcutters for cutting grass, clearing weeds and brush, and trimming hard-to-reach areas along fences, trees and walls. The internal-combustion engine provides autonomy and high power, so these tools suit large plots, slopes and land far from mains power. The category includes light household models and heavy-duty brushcutters for homeowners, farmers and landscaping crews. For a general overview, see what motor tools and engine-powered equipment are and how to choose them.
Light trimmers with nylon line suit lawn edges and soft grass, while brushcutters with a blade cut tall grass, reeds and young brush. Straight-shaft models suit blade work and slopes, while curved-shaft models suit light, small jobs.
Trimmer engines are usually 25–52 cm³ and 0.7–2.2 kW (1–3 hp): 25–33 cm³ is enough for a home plot, 40–52 cm³ for brush and large areas. Two-stroke engines are lighter, while four-stroke engines are quieter, more economical and need no fuel mix. See differences between two-stroke, four-stroke and diesel engines and engine displacement, power, torque and RPM: how to compare engine-powered equipment.
The cutting width with a line head is usually 38–46 cm with 2.4–3 mm line, and 23–26 cm with a three-tooth or multi-tooth blade. Check whether both a line head and a blade are included and what line diameter the head takes. Line, blades and parts: how to choose spare parts for garden and forestry equipment.
Most models have a manual recoil starter, primer bulb and choke, while an easy-start system reduces the pulling force. This matters when working with frequent stops and in cold weather.
A two-stroke trimmer runs on a petrol and two-stroke oil mix, usually 1:25–1:50 as the manufacturer specifies, while a four-stroke has separate oil in the crankcase. A 0.5–1.2 l tank usually lasts 30–60 minutes. More details: fuel, engine oil and two-stroke mix: how to choose and use them correctly.
Petrol trimmers weigh 5–9 kg, so a shoulder strap or double harness, a bike (U-shaped) or loop (D-shaped) handle and an anti-vibration system matter. A properly adjusted harness spreads the weight and reduces arm fatigue. See what is an anti-vibration system and what is vibration level.
A petrol trimmer usually produces 95–110 dB, and the line or blade can throw stones and debris. Wear safety glasses or a visor and hearing protection. Read what is noise level in db, how to choose safety glasses and how to choose hearing protection.
Do not work near people or animals, check that the guard is fitted, and clean the air filter and spark plug. At the end of the season, drain the fuel and grease the gearbox, and replace worn parts with genuine ones. See how to safely use internal-combustion-engine tools and equipment, how to maintain and store motor tools and engine-powered equipment and how to choose spare parts for gasoline and diesel engines.
At ToolsArmenia you can compare petrol trimmers by engine size, power, cutting width, cutting head, weight and harness type and choose the right model for your plot.
