This is a A-AH216876 Drum Assembly, Narrow PN: AH216876Main Description As Following : A-AH216876 Drum Assembly; Narrow P.N: AH216876 Length: 49.000"Outside Diameter: 10.750" Crossed From: SH316876 SHOUP , WN-AH216876 , , WNAH216876 , Found in Section & Models : Headers/Platforms/Feeder House > Feeder House Parts, John Deere COMBINE: S650 (SN 765000-785000), John Deere COMBINE: S660, John Deere COMBINE: S660 (European), John Deere COMBINE: S670, John Deere COMBINE: S670 (European), John Deere COMBINE: S680, John Deere COMBINE: S680 (European), John Deere COMBINE: S685 (European), John Deere COMBINE: S690 (European), John Deere COMBINE: S690 (SN 745100-785000), John Deere COMBINE: 9670STS, John Deere COMBINE: 9770STS, John Deere COMBINE: 9870STS Associated Items : New Also This is An Aftermarket Product And : Length: 49.000" Outside Diameter: 10.750"