Show also usage in model: 4420 COMBINE Select parts group: 110 FEEDER HOUSE 120 SEPARATOR 130 GRAIN TANK AND UNLOADING AUGER 140 MAJOR DRIVES 160 HEADER HEIGHT CONTROL 170 DECALS, BELTS, AND CHAINS 20 ENGINE 30 FUEL AND AIR 40 ELECTRICAL 50 POWER TRAIN 60 STEERING AND BRAKES 70 HYDRAULICS 80 SEPARATOR SHELL 90 OPERATOR'S STATION