This is a A-D8NNP743JA Disc, Dual Power/ PTO PN: D8NNP743JAMain Description As Following : A-D8NNP743JA Disc, Dual Power/ PTO P.N: D8NNP743JA Dim A (1): 5.846" O.D.Dim B (2): 4.500" I.D.Dim C (3): 52 TeethDim D (4): 4.424" Major/ 4.236" MinorReplaces: D1NNP743A, C9NNP743A Replaces: C9NNP743A FORD , C9NNP743D FORD , D1NNP743A FORD , D3NNP743A FORD , VPH5221 MISCELLANEOUS , 81819787 FORD , 81822308 FORD , 81825844 FORD , 81830026 FORD , 83917372 FORD , Crossed From: D1NNP743A , , D3NNP743A , , FD8NNP743JA , , 109833 , , 1112-5500 , , 1112-5501 , , 87554795 GOLD VALUE Found in Section & Models : PTO Parts > PTO and Related Parts, Ford / New Holland INDUSTRIAL/CONSTRUCTION: 8400 (W/ 6 CYL, 1/71-9/72), Ford / New Holland TRACTOR: TW10, Ford / New Holland TRACTOR: TW15, Ford / New Holland TRACTOR: TW20, Ford / New Holland TRACTOR: TW30, Ford / New Holland TRACTOR: TW5, Ford / New Holland TRACTOR: 3600 (W/ 3 CYL, 1/75-12/81), Ford / New Holland TRACTOR: 4100 (W/ 3 CYL, 1/75-12/81), Ford / New Holland TRACTOR: 4600 (W/ 3 CYL, 1/75-12/81), Ford / New Holland TRACTOR: 4610N (Latin America), Ford / New Holland TRACTOR: 5000, Ford / New Holland TRACTOR: 5100, Ford / New Holland TRACTOR: 5110 (W/ 4 CYL, 5/84-10/91), Ford / New Holland TRACTOR: 5200, Ford / New Holland TRACTOR: 5600, Ford / New Holland TRACTOR: 5610, Ford / New Holland TRACTOR: 5640, Ford / New Holland TRACTOR: 5700, Ford / New Holland TRACTOR: 5900, Ford / New Holland TRACTOR: 6410 Associated Items : New Also A-FO-O-TW10TW20, A-FO-O-TW1020, A-FO-P-80009000, A-FO-S-TW10, A-SMFO201, 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-TW5TW15, A-FO-O-2600UP, A-FO-P-2600 And : Dim D (4): 4.424" Major/ 4.236" Minor Inside Diameter: 4.500" Outside Diameter: 5.846" Replaces: D1NNP743A, C9NNP743A Teeth: 52