Description PTO shaft oil seal. 1-3/4" I.D., 2.685" O.D. Tractors: TO35, MF35, F40, MF50, MF65, MF135, MF150, MF165, MF175, MF180. This item is a suitable alternative for the following: 1860325M1, A1077452M1, A-1077452M1, 776114, 195506M1, 1860325M91, 1077452M1