- Dim A (1) : 15 & 18 teeth, 60 chain
- Dim B (2) : 4.703" & 3.979" OD
- Dim C (3) : 19 ID spline
- Sections and Models:
- Separator Area > Separator Sprockets and Sheaves
- John Deere COMBINE: 7720 (SN 610501->)
- John Deere COMBINE: 8820 (SN 610701->)
- Machine Types : Combine
- Makes : John Deere
- Models : 8820, 7720
- Models :