The STIHL® MS 311 is a high-tech workhorse with low fuel consumption and reduced exhaust emissions. This powerful saw is ideal for large properties, farms, and ranches. It offers several comfort features, such as a side-access chain tensioner, an advanced STIHL Anti-Vibration System, and STIHL® toolless fuel and oil caps with retainers. The MS 311 also has large fuel and oil tanks for extended use. With STIHL® advanced engine technology, you get higher fuel economy and longer run times. You’ll stay productive while you’re saving money on fuel. With fuel-efficiency and a high-powered engine, the MS 311 will help reduce your downtime on the job—so you can enjoy your own downtime when the job is done.