The McCormick 66188C1 brake plate is an essential genuine OEM component designed for various McCormick, Case IH, and International Harvester D-series tractors. This high-quality brake plate ensures optimal and reliable braking performance. With an outer diameter of 150 mm, an inner diameter of 100 mm, and a thickness of 4 mm, it is engineered for precise fitment and durability in demanding agricultural applications. It is also cross-referenced as Case IH 66188C1 and International Harvester 66188C1.