One New Aftermarket Replacement Flywheel Ring Gear that fits Case / International Harvester Tractor models: 1030, 1200, 1200TK, 1470, 1896, 2090, 2094, 2096, 2290, 2294, 2390, 2394, 2470, 2590, 2594, 2670, 3294, 3394, 3594, 4490, 4494, 4690, 4694, 730, 830, 930, 930CK Teeth 137 Outside Diameter 17.300″ Inside Diameter 15.880″ Width .875″ Replaces Part Numbers: ENP70-0001, A27920, J905031 RA