The McCormick 6659937A1 is a genuine OEM gear designed for a wide range of McCormick agricultural tractors. This essential component features 26 teeth, an outer diameter of 138mm, an inner diameter of 45mm, and a thickness of 23mm. Weighing 1.2 kg, it ensures reliable power transmission within the machine's system. It is compatible with McCormick C, CX, MC, MTX, X60, X7, and XTX series tractors, providing precise fitment and optimal performance.