This is a A-AH208978 Chain, Gathering, Chrome Pin PN: AH208978Main Description As Following : A-AH208978 Chain, Gathering; Chrome Pin P.N: AH208978 Chain: 620Links: 48Paddle Size: 8 Replaces: AH233139 JOHN DEERE COMBINE , Crossed From: AMAH208978 , , SH650 SHOUP , SH655 SHOUP , WN-AH208978 , , WNAH208978 , , 673-CH62048 , , 673CH62048 , Found in Section & Models : Headers/Platforms/Feeder House > Corn Head Parts, John Deere HEAD, CORN: 606 (SN <745100), John Deere HEAD, CORN: 608 (SN <745100), John Deere HEAD, CORN: 612 (SN <745100) Associated Items : New Also This is An Aftermarket Product And : Chain: 620 Links: 48 Paddle Size: 8