MS 391 Petrol Chainsaw: Excellent chainsaw for heavy agricultural use
Easy-to-manage, high-torque chainsaw for improved performance and user comfort when harvesting wood or sawing firewood. High torque over a wide range of speeds. Up to 20% less fuel consumption and up to 50% lower emissions compared with the previous model without 2-MIX technology.
Instruction is necessary to recognize or assess the dangers of a chainsaw. Please wear protective clothing and equipment.
If anything is unclear, we recommend to order the chainsaw via Click & Collect and pickup up the chainsaw from a STIHL servicing dealer.
You can find videos showing you how to fill your machine with fuel and oil, fit bars and chains and start your chainsaw here.
Exterior design of STIHL guide bars are subject to change. Technical specifications remain the same.
Technical details
| Displacement | 64.1 cm³ |
| Power output | 3.3/4.5 kW/HP |
| CO2 | 653 g/kWh |
| Weight | 6.2 kg 1) |
| Weight | 7.43 / 7.55 kg 2) |
| Power-to-weight ratio | 1.9 kg/kW |
| Bar length | 45-50 cm |
| Bar length | 18-20 ” |
| Saw chain pitch | 3/8 ” |
| Length with bumper strike | 458 mm |
| Sound pressure level | 105 dB(A) 3) |
| Sound power level | 117 dB(A) 3) |
| Vibration values left/right | 4/4 m/s² 4) |
1)Without fuel, without bar and chain2)Without fuel, with bar and chain3)K-factor according to DIR 2006/42/EC = 2.5 dB (A)4)K-factor according to DIR 2006/42/EC = 2m / s ²


