FR 131 Petrol Backpack Brushcutter

The STIHL FR 131 T is a lightweight petrol backpack brushcutter built for professional mowing on steep slopes and embankments, driven by a high-torque 36.3 cm³ STIHL 4-MIX® engine for efficient cutting. Its ergonomic loop handle supports precise trimming in tight spaces, and the detachable shaft enables quick, tool-free dismantling for compact transport and storage. The comfortable backpack harness with breathable backrest pad and STIHL anti-vibration system reduces operator fatigue during extended work sessions.

£1,018.68

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The FR 131 T combines a powerful STIHL 4-MIX® four-stroke engine (36.3 cm³) with a 1.4 kW / 1.9 HP output, delivering exceptional torque while requiring minimal maintenance thanks to its oil-gas fuel mix design.

A manual stop button springs back after actuation, allowing instant restarts for uninterrupted mowing sessions.

The tool features a detachable shaft for quick dismantling without tools, making transport and storage straightforward.

Its comfortable carrying system evenly distributes the 9.6 kg (tool-only) weight across shoulders and hips, and the breathable backrest pad enhances comfort during long shifts.

The integrated STIHL anti-vibration system uses buffer springs to minimize vibration transmission to the handles, further reducing operator fatigue.

Key Features

  • 36.3 cm³ STIHL 4-MIX® engine – four-stroke efficiency with high torque and low emissions.
  • 1.4 kW / 1.9 HP output – powerful performance for heavy grass and embankments.
  • Detachable shaft – tool-free dismantling for easy transport and storage.
  • Comfortable backpack harness – padded backrest and adjustable straps for ergonomic support.
  • STIHL anti-vibration system – buffer springs reduce vibration at the handles.
  • Manual stop button – springs back for instant restart after breaks.

Technical Highlights

Displacement 36.3 cm³
Power output 1.4 kW / 1.9 HP
Weight (tool-only) 9.6 kg
CO₂ emissions 836 g/kWh

Frequently Asked Questions

It comes supplied with the AutoCut 25-2 nylon mowing head, clearing a 420 mm swath with each pass.

The manual stop button and STIHL 4-MIX® engine require minimal pull-cord effort, and the fuel mix design ensures reliable cold starts.

The breathable backrest pad and adjustable harness straps distribute the 9.6 kg tool weight evenly, reducing shoulder and back strain.

Simply detach the shaft tool-free and fold the bike handle 90° for compact transport or storage.

Buffer springs isolate the engine from the handles, cutting vibration transmission and reducing user fatigue.

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