Timberjack is a manufacturer of forestry machinery for both cut-to-length and whole tree logging, and has been a subsidiary of John Deere since 2000. ==History== Timberjack was owned by the Eaton Corporation in the 1960s, 1970s and early 1980s. In 1984 Timberjack made a leveraged buyout from Eaton to become an independent company. Timberjack was a...