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.
The MS 391 engine size and horsepower jumps 25%, or more, over typical 20-inch saws. The 25-inch bar makes it easy to fell large trees. 18-, 20-, and 25-inch bars can be used with the MS 391 powerhead ...