STIHL BT 131 Petrol Earth Auger (4313 011 2124)

The STIHL BT 131 petrol earth auger is a one-person post hole digger for fencing, planting, drainage shafts and soil sampling. Its 36.3 cm³ STIHL 4-MIX® engine delivers 1.4 kW, with compatible drilling attachments for holes up to 300 mm in diameter.

Powerhead Only

Auger bits and optional accessories are sold separately. Choose the correct attachment for your job and ground conditions.

Key Features

• High-torque STIHL 4-MIX® engine with a large fuel tank and smooth running.
• QuickStop drill brake stops the drilling attachment when the brake lever contacts the operator’s thigh if the bit jams. Follow the operating manual.
• Single-hand multi-function control handle keeps engine controls together in the left handle.
• Vibration-damped handle frame helps reduce engine vibration reaching the handles.
• Large support cushion rests against the body for controlled drill guidance.
• Long-life, easily accessible paper air filter protects the engine and allows long cleaning intervals.

Engine and Maintenance

The four-stroke STIHL 4-MIX® engine runs on a petrol and oil mixture and does not require a separate engine oil circuit or engine oil changes. Its compact design combines low maintenance with strong power and a comfortable sound pattern. The engine complies with the European Stage V emissions directive. Follow the manual for fuel mixture and servicing requirements.

Specifications

• Model: BT 131
• Part number: 4313 011 2124
• SKU / MPN: 43130112124
• Displacement: 36.3 cm³ / 2.2 cu-in
• Power: 1.4 kW / 1.9 bhp
• Spindle speed, first gear: 200 rpm
• Weight without fuel: 10 kg
• Maximum hole diameter: 300 mm with a suitable attachment

Optional Accessories

• STIHL earth auger bits, 40–200 mm. Choose your size:
  • 40 mm x 695 mm — 4404 680 2004
  • 60 mm x 695 mm — 4404 680 2006
  • 90 mm x 695 mm — 4404 680 2009
  • 120 mm x 695 mm — 4404 680 2012
  • 150 mm x 695 mm — 4404 680 2015
  • 200 mm x 695 mm — 4404 680 2020
• 450 mm extension shaft, 4311 680 2350, for deeper holes. Fit after reaching the bit’s full drilling depth, following the manual.
• 150 mm x 525 mm planting spiral, 4311 680 2515.
• 260 mm x 660 mm soil loosener, 4404 680 1900.
• Drill chuck for cylindrical-shank drills up to 13 mm, 4311 680 4010.
• Tungsten blade tips. Match the tip to your auger bit size.
• STIHL Service Kit 31, 4180 007 4103, for routine maintenance.

300 mm Earth Auger Bit

For wider holes, choose the STIHL 300 mm x 750 mm earth auger bit (4404 680 2030). Auger bits are sold separately.

Prefer Battery Power?

Compare the STIHL BTA 140 ALLPRO/AP battery earth auger. The BTA 140 is supplied skin only, with battery and charger sold separately.