2013 John Deere 3RRC 30” Forage Header, 3 Row, 30” Spacing, Adapter Fits John Deere 3940-3975 Pull-Type & John Deere 5400-5830 Self-Propelled, Operator’s Manual. NOTE: More John Deere Forage Harvester Heads & Parts Selling On Lot# LC1125, LC1126, LC1127, LC1623, LC1626, LC1627, SN: 1E000RCNHDD390234