Petrol-powered brushcutters cut grass and scrub using a range of different cutting attachments. Alongside a saw blade, mulching blade or scrub blade, the trimmer head is another type of cutting attachment. With it, you can safely mow close to objects without causing much damage – for example along lawn edges, around trees or fence posts. To keep getting good results, however, you'll need to replace the line from time to time.
The cutting attachments on a brushcutter are usually interchangeable, so you can pick the right one for each job. However, the longer the line is in use, the more its cutting performance gradually declines. Strimming near stones, house walls or bed edging in particular puts a lot of strain on the line and the engine, which in turn reduces the performance of the brushcutter.
If the strimmer line is badly worn, tangled, or has even snapped, it's time to replace it. A new spool with pre-wound line is convenient, but can get expensive over time. Instead, you can wind new trimmer line onto your existing spool yourself.
TIP: If cutting performance drops off noticeably while you're working, you should retension the line or rewind it if necessary. Once only very short stretches of line are poking out on either side of the spool, it's time for a change.
FUXTEC brushcutters compared
Whether you want to neatly tidy up lawn edges, cut back longer grass, or comfortably mow larger areas: here you'll find the right petrol brushcutter for the job.
Light & handy
For lawn edges and general garden work
The lightweight choice for anyone who wants to tackle grass, weeds and hard-to-reach spots with flexibility.
View product: View the FUXTEC petrol brushcutter FX-MS125
Powerful all-rounder
For large areas and tough weeds
Plenty of pulling power, high torque and comfortable handling: the versatile 4-stroke brushcutter for more demanding jobs.
View product: View the FUXTEC 4-stroke brushcutter FX-4MS142
Push instead of carry
For comfortably mowing larger areas
The mobile solution on large wheels: ideal if you want to mow powerfully without having to carry the brushcutter the whole time.
View product: View the FUXTEC wheeled petrol brush cutter FX-FSR162
Own workshop in Germany
Spare parts and accessories available long-term
Order directly from FUXTEC
Depending on the cutting work you're taking on, you can choose from a wide range of different trimmer lines. These differ not only in diameter, but also in shape. Depending on the type of plants you want to cut back, strimmer lines come in the following profiles:
Besides the shape, the diameter of the line is crucial. As a rule of thumb: the tougher the plants, the thicker the line should be. Thinner line, on the other hand, only cuts soft grass, but gives a very clean cut. Depending on your needs, you can choose between the following line thicknesses:
TIP: The thicker the diameter of the strimmer line, the higher the engine power should be. If the engine is too weak, the line will slow down the engine speed and, in the worst case, stall the engine completely. On the other hand, thin line in a powerful brushcutter isn't very effective and uses unnecessarily more fuel.
Strimmer line is made from a soft, flexible plastic. Over time, however, it loses moisture and flexibility – regardless of whether it's brand new or has been in storage for a while.
For this reason, it's a good idea to soak the line in water for 24 hours before winding it onto the spool. This allows it to absorb water and stay more flexible for longer. You don't need to unwind the line to do this – simply place the whole spool with the trimmer line still on it into the water.
If you haven't opted for a pre-filled spool, you can replace the strimmer line yourself. Generally, you'll need to open up the trimmer head to wind the line onto the spool. Here's how to do it:
Discover the powerful and versatile FUXTEC brushcutters – perfect for lawn edges, tall grass and dense undergrowth.
Round line is the standard type that winds easily off the spool but is only suitable for soft grass, whilst square-shaped line has sharp edges that cut through tougher grass, weeds and scrub more effectively.
You should replace the line when it becomes badly worn, tangled or snapped, or when cutting performance drops noticeably and only very short stretches protrude from the spool.
Thinner line of 1.4 to 2 mm suits soft grass and lawn edges, whilst thicker line of 3 to 4 mm is needed for tougher plants and scrub. As a rule, the tougher the plants, the thicker the line should be, but it must match your brushcutter's engine power.
Yes, you should soak the line in water for 24 hours before fitting it to help it absorb moisture and remain flexible for longer. You can soak it whilst it's still on the spool without unwinding it.
Thread both ends through the eyelets, hook the midpoint loop into the spool notch, wrap the line around the spool two or three times, fit the spool into the head, then turn it anticlockwise whilst keeping the line taut until both ends are about 15 cm long.
Spiral-shaped line has aerodynamic properties that reduce air resistance as it spins, making your brushcutter noticeably quieter and more efficient when mowing, though it is slightly more expensive than other types.
No, thick line in a weak engine will slow down the engine speed and may stall the engine completely. Always match your line thickness to your brushcutter's engine power to avoid performance problems and fuel waste.
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