(USA Warehouse) Genuine John Deere OEM V-Belt #AH236689 -/PT# HF983-1754306889
This fits models: S660(SN 100000-104999)(PC4973), S670(SN 745100-765252)(PC10717), S670HM(SN-765000)(PC10720), S680(SN 766007-785000)(PC11896), S680HM(SN -765000)(PC10721), S685(PC11903), S685HM(SN 745100-765249)(PC10719), S690(SN 765250-785000)(PC11897), S690HM(SN 745101-765000)(PC10722).
Specifications: Length-171.063", Width-.866", Tickness-.551", Angle-40.
This is a genuine John Deere part. Tanks for looking!