2018 John Deere 712C Stalkmaster 12R30" Corn Head, SN: 1H00712CKJC800142, Contour Master, Opposed Knife Rolls, Row Sense, Single Point Hydraulic/Electrical Connection, Hydraulic Deck Plates, Header Height Control, Stubble Lights. NOTICE: Stalkmaster Gearboxes Are Not Working, Auger & Auger Flighting Is Bent And Has Weld Patches, 2 Snouts Are Bent