The Case-IH 1961770C1 is a genuine OEM sun shaft specifically engineered for powershift transmissions in a wide range of Case-IH agricultural tractors. This critical internal transmission component ensures precise power transfer and smooth operation, contributing to the overall reliability and longevity of the machinery. It is compatible with Case-IH Magnum 215, 245, 275, 305, 335, MX180, MX200, MX210, MX220, MX230, MX240, MX255, MX270, MX285, STX275, STX325, STX375, STX425, STX440, STX450, STX500, 7110, 7120, 7130, 7140, 7150, 7210, 7220, 7230, 7240, 7250, 8910, 8920, 8930, 8940, and 8950 series tractors.