Starter drive for International Harvester Farmall tractors Hydro 70, 86, 100; 504, 594, 656, 666, 686, 706, 756, 766, 826, 856, 966, 1066, 1466, 1468, 2504, 2544, 2656, 2706, 2756, 2826, 2856. Fits Delco starters 1107854, 1108334, 1108343, 1108344, 1108691, 1109252, 1109360, 1113201. 10 Teeth and replaces Delco starter drive 1851427, 1968705, 1970544