Find Plant Attachments for your TIMBERJACK 840. Can't find the exact TIMBERJACK 840 you need? Post a free Want-To-Buy and get notified when it's available. Explore new and used TIMBERJACK 840 for sale near you on Machinery Trader! With shipping, financing, advertising options available, Machinery Trader is your one-stop site for all of your TIMBERJACK 840 Wheel Feller Bunchers needs.