The McCormick 3678011M1 is a genuine OEM hourmeter designed for a wide range of McCormick X-Series tractors. This essential component accurately tracks engine operating hours, crucial for maintenance scheduling and performance monitoring. It ensures precise data for models including the X4.20, X4.30, X4.40, X4.50, X4.60, X4.70, X4.70F, X4.70N, X4.70V, X5.20, X5.30, X5.40, X5.50, X5.55, X5.60, X5.70, X6.420, X6.430, X6.440, X7.440, X7.450, X7.460, X7.650, X7.660, X7.670, X7.680, X8.660, X8.670, and X8.680.