The McCormick 715898A1 is a genuine OEM drive gear, also known as a pinion, designed for various McCormick CX and MC series tractors. This essential component features 21 teeth, an outer diameter of 112 mm, an inner diameter of 40 mm, and a width of 40 mm, weighing approximately 1.20 kg. It ensures efficient and reliable power transmission within the machinery's drivetrain. This part is also compatible with select Case IH, New Holland, and Steyr models.