This is a A-530177M1 Fan, 6 Blade PN: 530177M1Main Description As Following : A-530177M1 Fan, 6 Blade P.N: 530177M1 New 6 blade fan has a 17.5" diameter, 1.625" pilot hole, and 1.75" bolt hole centers. This fan fits the Massey Ferguson Tractor 1085 and 285.Dim A (1): 17.500" DiameterDim B (2): 1.625" Pilot HoleDim C (3): 1.750" Bolt Hole Centers Found in Section & Models : Cooling Systems > Fan Blades, Massey Ferguson TRACTOR: 1085, Massey Ferguson TRACTOR: 285 Associated Items : New Also A-MH-O-MF1085, A-MH-P-MF1085, A-MH-S-MF1085, A-SMMF201, A-MH-O-MF285, A-MH-O-MF285LATE, A-MH-P-MF285, A-MH-S-MF285 And : New 17-1/2", 6 blade radiator fan has a 1.625" pilot hole, and 1.75" bolt hole centers. This
radiator fan blade fits Massey Ferguson Tractors 1085 and 285. Diameter: 17.500" Mounting Holes: 1.750" centers Pilot Hole: 1.625"