The McCormick 6512227M91 is a genuine OEM wiring harness designed for McCormick X4 series and Landini 4 series agricultural tractors. This essential electrical component ensures reliable power distribution and signal transmission within the machine's system, maintaining optimal operational performance. It is compatible with models including McCormick X4.30, X4.35, X4.40, X4.45, X4.50, X4.55, X4.60, X4.70, X4.75, X4.80, X4.90 and Landini 4-060, 4-070, 4-080, 4-090, 4-100, 4-105, 4-110, 4-115, 4-120.