This is a A-251427R1 Fan, 4 Blade PN: 251427R1Main Description As Following : A-251427R1 Fan, 4 Blade P.N: 251427R1 New 4 blade fan with hub and pulley assembly. It has a 12.875" diameter and a 3.5" diameter double groove pulley.Includes hub w/ pulley & spindle.Dim A (1): 2 Groove Pulley Replaces: 131489C91 IH , Crossed From: 1706-6552 , , 17066552 , , 251427R91 , Found in Section & Models : Cooling Systems > Fan Blades, Case-IH TRACTOR: CUB (SN 501 thru 165152), Case-IH TRACTOR: CUB LO-BOY (SN -<165152) Associated Items : New Also A-FRM-IHOL, A-IH-C-DOMGENCAT, A-IH-C-MUSCLES, A-IH-C-1936FULL, A-IH-O-CUB, A-IH-O-CUBATTCH, A-IH-O-CUBLATE, A-IH-O-CUBPM, A-IH-O-MWRCUB22, A-IH-P-ACCESSORY, A-IH-P-CUBATHFH, A-IH-P-CUBLOBOY, A-IH-P-GENSTART, A-IH-P-MWRCUB22, A-IH-S-CARBSPEC, A-IH-S-CUB, A-IH-S-ELECDIA, A-IH-S-TOUCHCTL, A-IH-S-TUNEUP, A-SMIH8 And : New 4 blade fan with hub and pulley assembly. Radiator fan has a 12.875" diameter with a 3.5"
diameter double groove pulley. Diameter: 12.875" Includes: Hub w/ pulley & spindle. Pulley Grooves: 2