This is a A-H86088 Shaft, Feeder House, Upper PN: H86088Main Description As Following : A-H86088 Shaft, Feeder House, Upper P.N: H86088 Dim A (1): 52.375" longDim B (2): 1-3/4" Hex Crossed From: AV104590 VAPORMATIC Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: 6600, John Deere COMBINE: 6620 (SN <-551900) Associated Items : A-JD9452 Also A-JD-O-OMH111330, A-JD-O-OMH120048 And : Dim B (2): 1-3/4" Hex Length: 52.375"