The McCormick 3429534M91 Differential is a genuine OEM replacement part designed for various McCormick CX, MC, and MTX series agricultural tractors. This essential component ensures proper power distribution and smooth operation of the tractor's drivetrain, maintaining optimal performance and reliability. Engineered to meet original equipment specifications, it provides a precise fit and long-lasting durability for models including CX105, CX110, CX75, CX80, CX85, CX90, CX95, MC105, MC115, MC120, MC130, MC135, MC80, MC90, MC95, MTX110, MTX120, MTX125, MTX135, MTX140, MTX150, MTX155, MTX165, MTX175, MTX185, and MTX200.