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A 'feller buncher' is a large logging machine with an attachment that cuts trees in place. It consists of a standard heavy equipment base with a tree-grabbing device furnished with a circular saw or a shear - a pinching device designed to cut small trees off at the base. The machine then places the cut tree on a stack suitable for a skidder or forwarder, or other means of transport (yarding) for further processing (e.g., delimbing, bucking, loading, or chipping).
Sometimes also called Cruncher bunchers.
There are also wheeled feller bunchers with no articulated arm. Instead this type of vehicle drives close and grabs the tree.
In cut-to-length logging a harvester performs the tasks of a feller buncher additionally doing the delimbing and bucking of the trees as well.
In the animated film, Fern Gulley, a fictional machine based on the feller buncher is utilized by the antagonist and helps to symbolize the destructive potential of human technological achievements.
= See also =

★ Harvester (forestry)

★ Skidder for dragging logs/trees

★ Forwarder for carrying logs to a loading area

★ Log loader for lifting logs onto trucks, a slasher (logging) or whole tree chipper

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★ Yutani Feller buncher with Rotosaw