The 3695629M1 is a genuine OEM ignition key designed for a wide range of agricultural machinery. This key is compatible with various Massey Ferguson, Landini, and McCormick tractor series, ensuring reliable starting and operation. It serves as a direct replacement for original keys in models including Massey Ferguson 100, 200, 300, 500, 600, 800, 1000, 2000, 3000, 4000, 5000, 6000, and 8000 Series, as well as McCormick CX, MC, MTX, and XTX Series.