Show also usage in model: FS50 FELLING HEAD Select parts group: 44 Cutting Mechanisms 4401 Blades and Delimbing elements 4413 Miscellaneous, Shields and Cutting Mechanisms 4441 Main Frame 4446 Structural Rotator Joint 4463 Lines, Hoses and Fittings 4465 Cylinders 4467 Motors 4474 Wiring Harnesses and Switches 4478 Sensors