This aftermarket PTO shaft locking pin, identified as 3790330M1NO, is designed as a direct replacement for the original Massey Ferguson part 3790330M1. Essential for securing the PTO shaft, it features a length of 95mm and a diameter of 12mm. This pin ensures reliable operation across a wide range of Massey Ferguson tractor models, including the 100, 200, 300, 400, 500, 600, 8000, 8100, 8200, 8400, 8600, 8700, 9000, 9200, 9300, 9400, 9500, 9600, 9700, 9800, and 9900 series, as well as specific models like MF 165, MF 275, MF 390, MF 4270, MF 5455, MF 6480, MF 7726, and MF 8737.