The STIHL MS 311 petrol chainsaw is a powerful and reliable saw, suitable for cutting firewood and medium-duty forestry work. Thanks to advanced technologies, this chainsaw offers optimal ease of use, long service intervals, and low fuel consumption. Special Features Antivibration System (AV): Reduces vibrations at the handles for comfortable working and protection of hands and arms. Decompression Valve: Easier starting by partially relieving cylinder pressure. Oil Pump with Quantity Control: Adjustable oil supply, allowing up to 50% reduction for dry wood or long cutting attachments. Combi-lever: Simple one-handed operation of functions such as start, stop, and cold/warm start. Compensator: Maintains consistent power, exhaust quality, and fuel consumption, even with clogged air filters. Tool-free Fuel Cap: Quick and easy access to fuel and oil tanks without tools. Long-life Air Filter System with Pre-separation: Removes coarse dust particles and doubles filter life. STIHL 2-MIX Engine: Economical and powerful, reducing fuel consumption by up to 20% and emissions by up to 50%. STIHL Ematic System: Efficient lubrication of the saw chain, reducing oil consumption by up to 50%. Four-channel Technology: Optimizes combustion for high torque and low fuel consumption. Carburetor Preheating: Ensures reliable starting in low temperatures. Side Chain Tensioning: Safer and easier chain tensioning without contact with sharp parts. Technical Data Saw Chain Pitch: 3/8" Displacement: 59 cm³ Power: 3.1 kW / 4.2 hp Weight: 6.2 kg Sound Power Level: 117 dB(A) Sound Pressure Level: 105 dB(A) Chain: STIHL Oilomatic Rapid Micro (RM) System Weight: 7.29 – 7.53 kg Vibration Level Left/Right: 4/4 m/s² Power-to-weight Ratio: 2 kg/kW CO2 Emissions: 874 g/kWh Standard Delivery STIHL MS 311 Chainsaw 45 cm Guide Bar Chain: Rapid Micro (RM), 3/8" Need to replace the saw chain? Click this link to watch the video Warning: This chainsaw is intended exclusively for professionals trained in tree care. Use without proper training can lead to serious injury.