This genuine AGCO 6511978M92 ventilator fan is an OEM part designed for optimal cooling in McCormick, Massey Ferguson, and Landini agricultural tractors. It features an outer diameter of 400mm and 8 blades, ensuring efficient airflow with a clockwise rotation. This ventilator is compatible with various McCormick CX series tractors, Massey Ferguson 3300 series tractors, and numerous Landini G, L, V, F, C, GT, LP, GE, CT, CL, CV, GTP, LTP, VTP series models, including their '_R' variants.