AR103044 Flywheel Ring Gear Fits John Deere 646 760 850 990 5010 5020 5730One New Aftermarket Replacement Fits John Deere Flywheel Ring Gear that fits the following models & machines: Tractors: 5010, 5020, 6030, 7520, 8440, 8450, 8630, 8640, 8650, 8760, 8770, 8870, 9200, 9300, 9300T, 9400, 9400T Combine: 9860STS Forage Harvesters: 5200, 5400, 5440, 5460, 5720, 5730, 5820, 5830, 6710, 6750, 6850, 7400, 7500 Industrial Construction models: 450CLC, 644B, 646, 646B, 700A, 744E, 744H, 760, 760A, 762, 770, 770A, 772A, 844, 850,