The McCormick 6601572A1 is a genuine OEM gear designed for various McCormick X4, X5, and X6 series tractors. This essential component ensures efficient and reliable power transmission within the machinery, maintaining optimal performance and durability. Manufactured to McCormick's stringent quality standards, it provides a precise fit and long-lasting operation for models including X4.30, X4.40, X4.50, X4.60, X5.20, X5.30, X5.40, X5.50, X5.55, X6.420, X6.430, and X6.440.