This STIHL FS131 has multifunction controls, a bike handle for easy manoeuvring and only weighs 5.8kg making it easy to use, the FS131 is ideal for larger areas of tall grass and tougher jobs. This trimmer comes standard with an Autocut 25-2 head which has two lines perfect for mowing and clearing work, mower lines are automatically extended by tapping the mowing head on the ground. It also comes with a GSB 230-4 grass cutting blade.


Manual fuel pump, the fuel pump delivers fuel to the carburettor at the touch of a button, this reduces the number of starting strokes required following extended breaks in operation.

Stihl 4-mix engine, it runs on a fuel-oil mix just like a 2-stroke, it offers the benefits without the compromises of 4-stroke power, it provides fast acceleration, more power, added torque, lower noise, reduced emissions and increased fuel efficiency to complete jobs quickly, quietly and more easily.

Bike handle when used with a harness, which an advanced universal harness is included with this purchase, enabling a smooth mowing action. The bike handle allows the machine to easily be guided, making it ideal for working on large areas and therefore reducing fatigue.

Anti-vibration system, Intense vibration at the handles of power tools can lead to long-term effects on blood vessels in the hands and arms. STIHL has therefore developed an effective anti-vibration system whereby the oscillations from the machine’s engine are dampened which significantly reduces vibrations at the handles.

Multi-function handle, allowing easy accessibility to the engine and speed controls.

Technical Data

Displacement cm3 36.3

Power output kW/hp 1.4/1.9

Weight Kg 5.8

Sound Pressure level dB(A) 98

Sound Power level dB(A) 109

Vibration Level left/right m/s2 3.7/3.4

Stihl Engine 4-Mix

Total length without cutting tool cm 180

Tank volume L 0.71

Solid drive shaft

Compatible with the following mowing heads;

Trimcut 31-2 SKU 01-40027102152

Autocut C 25-2 SKU 01-40027102108

Autocut C 26-2 SKU 01-40027102169

Autocut C 36-2 SKU 01-40027102170

Supercut 20-2 SKU 01-40027102184

Durocut 20-2 SKU 01-40027102182

Compatible with the following metal cutting tools;

Grass cutting blade 230mm 2B SKU 01-40017133805

Grass cutting blade 260mm 2B SKU 01-40017133812

Grass cutting blade 230mm 4B SKU 01-40017133801

Grass cutting blade 230mm 8T SKU 01-40017133803

Brush knife 250mm 3B SKU 01-41127134100

Circular blade, chisel tooth 200mm 22T SKU 01-41127134203

Circular blade, chisel tooth 200mm 22T HP* SKU 01-40017134203

*HP – High performance 20% extra cutting performance

While power tools are active, children, bystanders and animals must be kept away from the area of work. Always refer to the operating instructions for further information on operation, maintenance and safety.

Here at Agwood ltd we’re a Stihl product service dealer, offering full parts and workshop services to all Stihl quality products we supply. You can call us now for more information or advise on this or any other product we offer.