The STIHL MS 391 Gas-Powered Chainsaw with 20-inch bar is built for demanding cutting tasks on farms, ranches, and outdoor worksites. Delivering strong performance with an efficient power-to-weight balance, it is designed for reliable operation when felling trees, cutting firewood, or handling storm cleanup with ease and control.
- 64.1cc engine delivering 4.4 HP output
- 20 in bar with 3/8 in pitch and .050 in gauge chain
- Easy pull-start gas-powered operation
- Anti-vibration system for improved comfort and reduced fatigue
- IntelliCarb system maintains optimal engine performance
- Side-access chain tensioner for quick adjustments
- Low-emission engine technology for cleaner operation
- Pre-separation air filtration reduces maintenance needs
- Toolless fuel and oil caps with retainers for convenience
Specifications:
Engine: 64.1 cc / 4.4 HP
Bar Length: 20 in
Weight: 13.67 lb (dry) / 15.55 lb (ship weight)
Fuel Capacity: 20.3 oz
Oil Capacity: 11.8 oz
Fuel Mix Ratio: 50:1
Warranty: 1-year limited
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