This high-powered STIHL® MS 391 Chainsaw with 20in. bar delivers the optimal power-to-weight ratio needed to handle the big jobs in the field or on the farm or ranch. The gas-powered chainsaw is extra fuel efficient while reducing emissions. Its versatile performance is ideal felling cutting firewood, cleanup after a storm and much more.

• Large 20in. bar powered by a 4.4 HP, 64.1cc gas engine
• IntelliCarb™ compensating carburetor automatically adjusts the air/fuel ratio to maintain proper engine RPMs even when the air filter becomes restricted or partially clogged
• Side-access chain tensioner provides easy access allowing for easier chain adjustments with a bar wrench
• Anti-vibration system minimizes vibration levels to increase comfort and help reduce user fatigue

• Reduced emission engine technology produces zero or low exhaust emissions that are cleaner than EPA and/or CARB exhaust emission standards
• Pre-separation air filtration system drastically reduces dirt particles that reach the engine air filter, resulting in less frequent air filter cleaning and maintenance
• Toolless fuel and oil caps with retainers allow you to simply lift the lever ad twist the caps to remove or tighten, no tools necessary