Show also usage in model: 243 CORN HEAD 244 CORN HEAD 343 CORN HEAD 344 CORN HEAD 443 CORN HEAD 444 CORN HEAD 543 CORN HEAD 546 CORN HEAD 642 CORN HEAD 643 CORN HEAD Select parts group: 101 FRAME 102 ROW UNIT, AUGER 103 GATHERER POINT AND SHEETS, SHIELDS