608L - FELLER BUNCHER 21 VEHICLE MAIN HYDRAULIC SYSTEM Select group 21 VEHICLE MAIN HYDRAULIC SYSTEM John Deere: 2161 HYDRAULIC PUMPS & DRIVES 2162 HYDRAULIC SELECTIVE CONTROL & LOAD HOLDING VALVES 2163 HYDRAULIC LINES & HOSES 2164 HYD RESERBOIR, FILTER & COOLER 2165 HYDRAULIC CYLINDERS