This is a A-H106073 Gear, Output, Reverser Gearbox PN: H106073Main Description As Following : A-H106073 Gear, Output, Reverser Gearbox P.N: H106073 Dim A (1): 10/ 38 teethDim B (2): 3.983" Dia Crossed From: AMH106073 , , CV104213 VAPORMATIC , WN-H106073 , , WNH106073 , , 300-D106073 , , 300D106073 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: CTS, John Deere COMBINE: CTS II, John Deere COMBINE: 2054 (SN <063210 / European), John Deere COMBINE: 2056 (SN <063210 / European), John Deere COMBINE: 2058 (SN <063210 / European), John Deere COMBINE: 2064 (SN <063210 / European), John Deere COMBINE: 2066 (SN <063210 / European), John Deere COMBINE: 6620, John Deere COMBINE: 6620 (Side Hill SN 610731>), John Deere COMBINE: 6622 (SN 507051>), John Deere COMBINE: 7720 (SN 612194>), John Deere COMBINE: 7722 HILLSIDE, John Deere COMBINE: 8820 (SN 464351>), John Deere COMBINE: 9400, John Deere COMBINE: 9410, John Deere COMBINE: 9450 (SN <700100), John Deere COMBINE: 9500, John Deere COMBINE: 9500SH, John Deere COMBINE: 9501, John Deere COMBINE: 9510 Associated Items : New Also This is An Aftermarket Product And : Diameter: 3.983" Teeth: 10/ 38