The Case IH 9821850 is a genuine OEM starting disc, also known as a clutch disc, designed for optimal power transfer and smooth engagement in various Case IH agricultural tractors. This critical component ensures reliable operation of the clutch system. It is compatible with a range of models including the 4210, 4220, 4230, 4240, 5120, 5130, 5140, 5150, MX100, MX110, MX120, and MX135 series. Weighing approximately 4.99 kg, this disc is engineered to meet original equipment specifications for durability and performance.