Select page: ST38476 Hydraulic System, Felling Head - Timberjack / John Deere ( - 006023) ST38477 Hydraulic System, Felling Head - Timberjack / John Deere (006024 - ) ST38478 Hydraulic System (HAX570/670) ST38479 Hydraulic System (Franklin/Tigercat) ST38480 Hydraulic System (HYDRO-AX 711EX) ST38481 Hydraulic System - JD643G ST38482 Hydraulic System - HYDRO-AX 511EX Other parts group: 18 Operator's Station 1816 Instrument & Control Mounting Structure 44 Cutting Mechanisms 4401 Blade 4440 Frames 4443 Moveable Frame 4450 Drives 4460 Hydraulic System 4463 Lines, hoses and fittings 4465 Cylinders