Bring on the terrain! John Deere Tracked Feller Bunchers are built with steep slopes, murky swamps, harsh conditions, visibility, and operator comfort in mind. Tackle tough jobs with confidence and options. John Deere M-Series Tracked Feller Bunchers offer standard and long-reach booms, long and wide undercarriages for greater stability, various track pad widths and grouser types, and multiple felling head options for swing-to-tree and drive-to-tree models. Do they make the cut? Absolutely. The new FR27 disk saw felling head delivers a 7.5-foot accumulation area and a 27.2-inch cut capacity ideal for large trees. Specialize in the extremes of the six felling head options or settle in the middle for more versatility.