The Case IH E128839 is a genuine OEM disc designed for optimal performance in Case IH planters and tillage equipment. This robust disc features a diameter of 450.85 mm (17.75 inches) and a thickness of 4.5 mm, ensuring durability and efficient operation. Weighing approximately 4.54 kg, it is a critical component for maintaining the effectiveness of your agricultural machinery. It is compatible with a wide range of Case IH models, including 1200 series planters and various 330, 340, 370, 4200, 4300, 4400, 4500, 4600, 4700, 4800, 4900, 500T, 510, 520, 530, 540, 550, 560, 570, 580, 590, 600T, 610, 620, 630, 640, 650, 660, 670, 680, 690, 700T, 710, 720, 730, 740, 750, 760, 770, 780, 790, 800T, 810, 820, 830, 840, 850, 860, 870, 880, 890, 900T, 910, 920, 930, 940, 950, 960, 970, 980, 990 tillage models.