This is a A-1975466C1 Brake Disc PN: 1975466C1Main Description As Following : A-1975466C1 Brake Disc P.N: 1975466C1 Replaces: A44712, A40794 Replaces: A40794 CASE , A44712 CASE , Crossed From: AMA44712 , , A44712AF , , WN-1975466C1 , , WN1975466C1 , Found in Section & Models : Transmission & Rear Axle > Brake Disc and Plates, Case-IH TRACTOR: 1030, Case-IH TRACTOR: 400 CASE (ROW CROP), Case-IH TRACTOR: 500, Case-IH TRACTOR: 730, Case-IH TRACTOR: 770 (EARLY), Case-IH TRACTOR: 800, Case-IH TRACTOR: 830, Case-IH TRACTOR: 870 (EARLY), Case-IH TRACTOR: 930, Case-IH TRACTOR: 930CK, Case-IH TRACTOR: 940, Case-IH TRACTOR: 970 (EARLY) Associated Items : New Also A-CA-O-1030, A-CA-P-1030CK, A-CA-S-1030CK, A-SMC202, A-CA-O-400DSL, A-CA-O-400SER, A-CA-P-400, A-CA-S-CAS-O-MAT, A-FRM-ACCACO, A-MAG-S-317, A-SMC201, A-CA-O-500DSL, A-CA-P-500D, A-CA-S-CAS-O-MAT, A-CA-S-500, A-IH-S-TOOLSLATE, A-SMC202, A-CA-O-730830D, A-CA-O-730830G, A-CA-O-730830L And : Inside Diameter: 3.190" Outside Diameter: 7.040" Replaces: A44712, A40794 Teeth: 24