STIHL MS 391 FarmBoss® is a Manoeuvrable, high-torque chainsaw for improved performance and user comfort perfect for preparing firewood. Extremely high torque over a wide range of speeds. Up to 20% less fuel consumption and up to 50% reduction in emissions compared to a STIHL 2-stroke engine of the same power output without 2-MIX technology. Looking for a professional-grade chainsaw for tough jobs? The STIHL MS 462 C-M offers powerful performance and advanced technology for heavy-duty tasks.