John Deere Original Equipment Idler Sprocket - AH89429

John Deere Original Equipment Idler Sprocket - AH89429. Specs: Chain Number(ALPHA): 60. Number of Teeth (A)(UNITY): 15.0000. Bore Size(MM): 17.7170. Bore Detail Code(ALPHA):H. Hub Length(MM): 20.8920. Material(ALPHA): STEEL. This part fits the following models: 6600 Combine, 6620 Combine, 6622 Combine, 7720 Combine, 7721 Combine, 8820 Combine, 90 Series Corn Heads (Brasil), 90 Series Corn Heads (Worldwide Edition), 900 Series Belt Pickups and Pickup Platforms, 900 Series Rigid and Flex Cutting Platforms (S.N. 625301- 685400), 900 Series Rigid and Flex Cutting Platforms (S.N. 685401- ), 914P Belt Pickup Platform, 918 and 920 Draper Platforms. This is an OEM John Deere part.