This is a A-SBA320400384 PTO Disc: 8.87" PN: SBA320400384Main Description As Following : A-SBA320400384 PTO Disc: 8.87" P.N: SBA320400384 Clutch Diameter: 8.87"Replaces: SBA320400383, SBA320400382, SBA320400381, SBA320400380, 83986711, 83968494, 83966156Spline Count: 14Spline Diameter: .788 Replaces: SBA320400383-RO FORD , Crossed From: SBA320400380 FORD / NEW HOLLAND , SBA320400381 FORD / NEW HOLLAND , SBA320400382 FORD / NEW HOLLAND , SBA320400383 FORD / NEW HOLLAND , SW02815 , , SW08021 , , 83966156 FORD / NEW HOLLAND , 83968494 FORD / NEW HOLLAND , 83986711 FORD / NEW HOLLAND Found in Section & Models : Clutch Parts > Double Clutch, Ford / New Holland TRACTOR, COMPACT: 1720 Associated Items : New Also A-FO-O-1720, A-SMFO46 And : Clutch Diameter: 8.87" Replaces: SBA320400383, SBA320400382, SBA320400381, SBA320400380, 83986711, 83968494, 83966156 Spline Count: 14 Spline Diameter: .788