Stihl Ms391 20
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.
Technical data
| Displacement cm³ | 64.1 |
| Power output kW/bhp | 3.3/4.5 |
| Power-to-weight ratio kg/kW | 1.9 |
| Weight kg | 6.2 |
| Sound pressure level dB | 105 |
| Sound power level dB | 117 |
| Vibration values left/right m/s² 3) | 4/4 |
| STIHL Oilomatic saw chain pitch/type | 3/8" RM |
| Chain brake | QuickStop |
| Oil tank volume cm3 | 350 |
| Tank volume l | 0.60 |