The STIHL MS 311 is a robust and powerful professional chainsaw, identified by product code 11402000175. It features a 59.0 cm³ (3.6 cu. in.) engine delivering 3.2 kW (4.3 bhp) of power. This model is equipped with a 50cm (20 inch) guide bar, making it suitable for felling, limbing, and bucking in demanding forestry and agricultural applications. The powerhead weighs 6.4 kg (14.1 lbs), and it has a fuel tank capacity of 0.6 L and an oil tank capacity of 0.325 L. Designed for durability and performance, the MS 311 ensures efficient operation with its 9.525 mm (3/8 inch) chain pitch and 1.6 mm (0.063 inch) chain gauge.