The McCormick 3682178M1 is a genuine OEM brake disc designed for various McCormick tractor models, including the C, CX, MC, MTX, and XTX series. This essential component ensures reliable and efficient braking performance. With an outer diameter of 180 mm, an inner diameter of 100 mm, and a thickness of 11 mm, this brake disc features 10 splines for precise fitment. Weighing approximately 1.6 kg, it is built to OEM specifications for durability and optimal function.