The McCormick 1964148C1 is a genuine OEM rigid clutch disc designed for optimal power transmission in McCormick CX and MC series tractors. This high-quality clutch disc features a 310mm outer diameter, 10 splines, and a 45mm hub diameter, ensuring precise fitment and reliable performance. It is also compatible with various Case IH and International Harvester tractor models, including CX, MXC, and 4200 series, providing a durable and efficient solution for clutch system maintenance and repair.