The McCormick 6677938A1 is a genuine OEM engine cooling fan designed for McCormick CX series agricultural tractors. This essential component ensures efficient airflow through the radiator, maintaining optimal engine operating temperatures and preventing overheating. Crafted for durability and precise fit, it is a direct replacement for the original fan, crucial for reliable tractor performance in demanding conditions. Compatible with models including CX100, CX105, CX110, CX70, CX75, CX80, CX85, CX90, and CX95.