The McCormick 3683389M1 is a genuine OEM transmission designed for a wide range of McCormick and Landini agricultural tractors. This essential component ensures reliable power transfer and smooth operation for models including McCormick C80, C90, C100, CX70, CX80, CX90, CX100, MC80, MC90, MC100, MC105, MC115, MC120, MC130, MC135, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, MTX200. It also fits Landini Legend 105, 115, 120, 130, 140, 160, 165, 180, 185, and TDI variants, providing optimal performance and durability.