The McCormick 3684602M91 is a genuine OEM engine connecting rod designed for a wide range of McCormick, Massey Ferguson, and Landini agricultural machinery. This critical engine component ensures proper piston movement and power transfer. It is compatible with various McCormick CX, MC, MTX, X, XTX, and ZTX series tractors, as well as numerous Massey Ferguson 5400, 6400, 7400, 8400, and 8600 series tractors, and Landini LEGEND, POWERMONDIAL, POWERFARM, REX, and VISION series tractors.