The McCormick 6611929A1 Collar is a genuine OEM replacement part designed for a wide range of McCormick agricultural tractors. This essential component ensures proper fitment and function within the specified machinery systems, maintaining optimal performance and durability. It is compatible with models across the C-MAX, CX, MC, MTX, T-MAX, X4, X5, X6, X7, X8, XTX, and Z-MAX series, providing reliable operation for various farming and industrial applications.