With an advanced low-emission engine technology, the STIHL MS 391 mid-range chainsaw improves fuel efficiency by up to 20% compared to previous models. The new air filtration system requires fewer filter changes, allowing for longer run times. Improved fuel efficiency and fewer filter changes save you time and money.
Technical Data POWER SOURCE Gas POWERHEAD WEIGHT 13.67 lbs. GUIDE BAR LENGTH (Recommended) 20 in. OILOMATIC® CHAIN 3/8" RS3 CHAIN OIL CAPACITY 11.8 oz. ENGINE POWER 4.4 bhp FUEL CAPACITY 20.3 oz. DISPLACEMENT 64.1 cc