The McCormick 3668968M1 Coupling is a genuine OEM part designed for various McCormick tractor models, including CX, MC, MTX, X60, X7, X70, and XTX series. This essential component ensures proper power transmission and connection within the machinery. It is also cross-referenced as an OEM part for Landini, Massey Ferguson, Valtra, Case IH, New Holland, Steyr, Claas, Deutz-Fahr, Fendt, JCB, Kubota, Same, and Zetor equipment, indicating its wide application across agricultural brands. With a weight of 0.12 kg and dimensions of 95 mm length, 51 mm width, and 51 mm height, this coupling offers precise fit and reliable performance.