This is a A-D8NN7550BB Trans Disc: 14", 6-button, spring loaded, 1.75" hub width PN: D8NN7550BBMain Description As Following : A-D8NN7550BB Trans Disc: 14", 6-button, spring loaded, 1.75" hub width P.N: D8NN7550BB Replaces: D8NN7550BBSpline Count: 10Spline Diameter: 1.750" Replaces: D8NN7550BB-RO FORD , D8NN7550BB-R8B FORD , D8NN7550BB-R8BH FORD , 5451B-8 FORD , 5451B-8HD FORD , Crossed From: A-E5NN7550CA , , FD850BB , , SW00322 , , SW00323 , Found in Section & Models : Clutch Parts > Single Clutch, Ford / New Holland TRACTOR: TW15 (<2/28/1986 w/ 1.75" hub width), Ford / New Holland TRACTOR: TW20 (<12/31/1982 w/ 1.75 hub width), Ford / New Holland TRACTOR: TW25 (<2/28/1986 w/ 1.75" hub width), Ford / New Holland TRACTOR: TW30 (<12/31/1982 w/ 1.75" hub width), Ford / New Holland TRACTOR: TW35 (<2/28/1986 w/ 1.75" hub width), Ford / New Holland TRACTOR: 8630, Ford / New Holland TRACTOR: 8730, Ford / New Holland TRACTOR: 8830 Associated Items : New Also A-FO-O-TW5TW15, A-FO-O-TW1020, A-FO-P-80009000, A-FO-S-TW10, A-MNL18266, A-SMFO201, A-FO-O-TW5TW15, A-FO-O-TW1020, A-FO-P-80009000, A-FO-S-TW10, A-SMFO201, A-FO-O-TW5TW15, A-FO-O-8530, A-FO-O-8530, A-FO-O-8530 And : Replaces: D8NN7550BB Spline Count: 10 Spline Diameter: 1.750"