German manufacturer STIHL (pronounced "steel") has been making chainsaws for nearly a century. Founded by Andreas Stihl in an effort to push forestry tools beyond basic axes, the first chainsaw (an ...
Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? The MS 391 engine size and horsepower jumps 25%, or more, over typical 20-inch saws.