The McCormick T218543661 gear is an essential genuine replacement component designed for optimal performance in McCormick X1 series tractors, including models X1.35, X1.45, and X1.50. This versatile gear also provides precise fitment for a wide range of Iseki tractors, such as the TM3160, TM3200, TM3240, TH4295, TH4335, TG5390, TG5470, TG6370, TG6400, and TG6490. Ensure reliable operation and maintain the integrity of your machinery with this OEM-standard part.