The STIHL MS 311 is a high-tech workhorse engineered for large properties, farms, and ranches. Built with advanced engine technology, this powerful saw delivers high fuel economy and reduced exhaust emissions without sacrificing the muscle needed for heavy-duty cutting. With its large fuel and oil tanks, the MS 311 is designed for extended use, helping you stay productive and reduce downtime on the job.
Driven by a 59.0 cc engine producing a formidable 4.2 bhp, this chainsaw combines high-powered performance with a suite of comfort features. From its advanced filtration system to its ergonomic design, the MS 311 is built to handle demanding tasks while saving you money on fuel and maintenance.
Key Features & Benefits
Efficiency & Advanced Filtration
- Powerful Low Emission Engine: Saves on fuel and operating costs while delivering the consistent power professionals count on.
- Pre-Separation Air Filtration System: Uses centrifugal force to eject heavier dirt particles before they reach the filter, doubling the time between cleanings.
- IntelliCarb Compensating Carburetor: Automatically adjusts the air/fuel ratio to maintain the engine's correct RPM, even as the air filter becomes dirty.
Ease of Use & Starting
- Decompression Valve: Vents compression in the cylinder to significantly reduce the effort required to pull the starter rope.
- Toolless Fuel and Oil Caps: Features easy-lift levers for fast refueling and oiling by hand; includes retainers to keep caps attached to the unit.
- Master Control Lever: A single, thumb-operated lever that manages the choke, starting throttle lock, and on-off switch.
Operator Comfort & Control
- Anti-Vibration System: Minimizes handle vibration levels to reduce operator fatigue and provide a more comfortable working experience during long sessions.
- Side-Access Chain Tensioner: Allows for convenient chain adjustments with a bar wrench from the side of the housing.
- Bumper Spikes: Prevent pull-in and provide better leverage for controlled, stable cutting.
- High-Tech Polymer Housing: Impact-resistant, lightweight, and corrosion-proof for long-lasting durability.
Technical Specifications
| Intended Use | Farm / Ranch |
| Displacement | 59.0 cc |
| Engine Power | 4.2 bhp |
| Powerhead Weight | 13.7 lbs. |
| Fuel Capacity | 20.3 oz. |
| Chain Oil Capacity | 11.8 oz. |
| Recommended Bar Length | 16 in. |
| Chain Type | 3/8" RS3 |
