The McCormick 4217308K91 is an authentic PTO brake plate designed for McCormick X7 series tractors. This crucial component ensures the safe and effective engagement and disengagement of the power take-off, providing reliable braking action for various agricultural implements. Manufactured to OEM specifications, it guarantees optimal performance and durability for models including X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, and X7.690, including P6-DRIVE variants.