The McCormick 3136237R1 pinion is a genuine OEM component designed for various McCormick CX, MC, and MTX series agricultural tractors. This essential part ensures efficient and reliable power transmission within the machinery. Manufactured to original specifications, it guarantees optimal performance and durability, maintaining the integrity of your tractor's drivetrain system. This pinion is critical for the smooth operation and longevity of compatible McCormick models.