The Stihl MS 311 with 20in Guide Bar is a high-tech workhorse designed specifically for large properties, farms, and ranches where serious cutting power is needed. Its advanced engine technology delivers impressive fuel economy, allowing you to work longer between refueling stops while saving money on fuel costs. With a powerful 59.0cc engine producing 4.2bhp, this chainsaw easily handles demanding tasks from felling trees to cutting large amounts of firewood.

The MS311 combines professional-grade power with user-friendly features that make long workdays more manageable. The advanced anti-vibration system significantly reduces fatigue, while comfort features like toolless caps and side-access chain tensioning minimize downtime in the field. With larger fuel and oil tanks than comparable models, this reliable chainsaw keeps you productive through extended cutting sessions, letting you finish jobs faster and with less effort.

Key Features

• Fuel-Efficient Engine: Improves fuel economy by up to 20% over previous models for longer run times
• IntelliCarb Compensating Carburetor: Automatically adjusts air/fuel ratio when the air filter becomes restricted
• Advanced Anti-Vibration System: Reduces operator fatigue during extended cutting sessions
• Large Fuel and Oil Tanks: Designed for extended use with less frequent refilling
• Side-Access Chain Tensioner: Makes chain adjustments more convenient in the field
• Toolless Fuel and Oil Caps: Feature retainers for easy maintenance without special tools
• Decompression Valve: Makes starting easier with reduced pulling effort
• Bumper Spikes: Provide better control and stability during cutting operations

Specifications

• Intended Use: Farm, Ranch, and Large Property
• Power Source: Gas
• Powerhead Weight: 13.67lbs
• Guide Bar Length: 20in
• Chain: 3/8in pitch, 0.050in gauge (33 RS3 72)
• Displacement: 59.0cc
• Engine Power: 4.2bhp
• Fuel Capacity: 20.3oz
• Chain Oil Capacity: 11.8oz