MS 391
MS 391 petrol chainsaw: the powerful all-rounder
General
Great for felling firewood and for building with wood. Long-life air filter service life for very long filter service life, economical 2-MIX engine, and decompression valve for effortless starting.
Versions
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MS 391, RM, Bar length 37cm
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MS 391, Bar length 40cm
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Technical specifications

Technical specifications
Technical specifications | Value |
---|---|
Displacement | 64,1 cm³ |
Power output | 3,2/4,5 kW/PS |
Weight 1) | 6,2 kg |
Power-to-weight ratio | 1,9 kg/kW |
Sound pressure level 2) | 105 dB(A) |
Sound power level 3) | 117 dB(A) |
Vibration level left/right 4) | 4/4 m/s² |
Saw chain pitch | 3/8" |
STIHL Oilomatic saw chain type | Rapid Micro (RM) |
1) Without fuel, without bar and chain
2) K-factor according to DIR 2006/42/EC = 2.5 (dB (A))
3) K-factor according to DIR 2006/42/EC = 2.5 dB (A)
4) K-factor according to DIR 2006/42/EC = 2m / s ²
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Features

Standard equipment
Retrofitted equipment
Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Accessories

Accessories
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Multi-function tool
Practical, multi-function quality tool in a sturdy plastic case. 3.5 mm flat-blade screwdriver for carburettor adjustment and cleaning grooves, Torx® TX 27 screwdriver, nylon pouch with belt loop. Width across flats 19-13 for MS 271, MS 291, MS 311 and MS 391, width across flats 19-16 for MS 170, MS 171, MS 180, MS 181, MS 193 C, MS 211, MS 231, MS 241 and MS 251.
Versions
- Multi function tool, size across flats 19 - 13
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Deviations from the product range and information provided here are possible, depending on the country. STIHL reserves the right to make changes to technical specifications and equipment.
Documents
Owners manuals and safety brochures
Languages | Date | Link |
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21.05.2021 |