This is a A-Z12714 Gear, Pinion, Feeder House PN: Z12714Main Description As Following : A-Z12714 Gear, Pinion; Feeder House P.N: Z12714 Dim A (1): 24 Teeth SprocketDim B (2): 14 Teeth GearDim C (3): .814" Pin Dia.Dim D (4): 3.071" Length Crossed From: AV105446 VAPORMATIC , WN-Z12714 , , WNZ12714 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: C670, John Deere COMBINE: S550, John Deere COMBINE: T550, John Deere COMBINE: T560, John Deere COMBINE: T660, John Deere COMBINE: W540, John Deere COMBINE: W550, John Deere COMBINE: W650, John Deere COMBINE: W660, John Deere COMBINE: 2054 (SN 063211> / European), John Deere COMBINE: 2056 (SN 063211> / European), John Deere COMBINE: 2058 (SN 063211> / European), John Deere COMBINE: 2064 (SN 063211> / European), John Deere COMBINE: 2066 (SN 063211> / European), John Deere COMBINE: 9450, John Deere COMBINE: 9550, John Deere COMBINE: 9550SH, John Deere COMBINE: 9560, John Deere COMBINE: 9560SH, John Deere COMBINE: 9560STS Associated Items : New Also This is An Aftermarket Product And : Dim A (1): 24 Teeth Sprocket Dim B (2): 14 Teeth Gear Dim C (3): .814" Pin Dia. Dim D (4): 3.071" Length