This is a A-70255751 Fan, 5 Blade PN: 70255751Main Description As Following : A-70255751 Fan, 5 Blade P.N: 70255751 New 5 blade fan has a 18.5" diameter, 1.5" pilot hole, and mounting holes on 2" center. This fan fits multiple Allis-Chalmers Tractors.Dim A (1): 18.500" DiameterDim B (2): 1.500" Pilot HoleDim C (3): Mounting Holes On 2" Centers Found in Section & Models : Cooling Systems > Fan Blades, Allis-Chalmers TRACTOR: 180, Allis-Chalmers TRACTOR: 185, Allis-Chalmers TRACTOR: 190, Allis-Chalmers TRACTOR: 190XT Associated Items : New Also A-AC-O-180, A-AC-P-180, A-AC-P-180185, A-AC-S-ENGG2500, A-AC-S-180, A-FRM-ACCACO, A-SMAC202, A-AC-O-185, A-AC-O-185LATE, A-AC-P-180185, A-AC-P-185LATE, A-AC-S-180185, A-FRM-ACCACO, A-SMAC202, A-AC-O-190190XT, A-AC-P-190XT, A-AC-S-FUELINJ, A-AC-S-1-90, A-FRM-ACCACO, A-SMAC202 And : New 5 blade radiator fan has a 18.5" diameter, 1.5" pilot hole, and 2" on center mounting holes.
Fits Allis-Chalmers Tractors. Diameter: 18.5" Mounting Holes: 2" centers Pilot Hole: 1-1/2"