This is a A-528709R2 Shaft, Bull Pinion PN: 528709R2Main Description As Following : A-528709R2 Shaft, Bull Pinion P.N: 528709R2 Dim A (1): 14/13/12 SplineDim B (2): 13.79" Long Crossed From: AM528709R2 , Found in Section & Models : Transmission & Rear Axle > Trans: Forks, Gears, Shafts, Case-IH TRACTOR: 1456 (W/O DIFF LOCK), Case-IH TRACTOR: 1466 (W/O DIFF LOCK), Case-IH TRACTOR: 1468 (W/O DIFF LOCK), Case-IH TRACTOR: 4568 (W/O DIFF LOCK), Case-IH TRACTOR: 4586 (W/O DIFF LOCK) Associated Items : New Also A-FRM-IHOL, A-IH-O-BATTIGN, A-IH-O-1456, A-IH-P-RMDSLPUMP, A-IH-P-1456, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-TUNEUP, A-IH-S-806, A-MW-P-TENDER, A-SMIH32, A-IH-O-BATTIGN, A-IH-O-766966, A-IH-P-ENG56CYL, A-IH-P-766966, A-IH-S-AIRHEAT, A-IH-S-ENG3400, A-IH-S-TOOLSLATE, A-IH-S-TUNELATE, A-IH-S-766966 And : Dim A (1): 14/13/12 Spline Dim B (2): 13.79" Long