Reference: Ref. 47 Replaces AL171955, AL168782 Dim A (1) 12.250" O.D. Dim B (2) 2.125" I.D. Dim C (3) 14 Teeth Dim D (4) .232" (5.9 MM) ThickJohn Deere TRACTOR: SE6100 (SN 182761> Heavy Duty (European - Not For Italy Or S John Deere TRACTOR: SE6200 (SN 182761> Heavy Duty (European - Not For Italy Or S John Deere TRACTOR: SE6300 (SN 182761> Heavy Duty (European - Not For Italy Or S John Deere TRACTOR: SE6400 (SN 182761> Heavy Duty (European - Not For Italy Or S John Deere TRACTOR: 6010 John Deere TRACTOR: 6100 (SN 182761> Heavy Duty (European - Not For Italy Or Spa John Deere TRACTOR: 6120 John Deere TRACTOR: 6200 (SN 182761> Heavy Duty (European - Not For Italy Or Spa John Deere TRACTOR: 6200L (SN 182761>) John Deere TRACTOR: 6205 John Deere TRACTOR: 6220 John Deere TRACTOR: 6300 (SN 182761> Heavy Duty (European - Not For Italy Or Spa John Deere TRACTOR: 6300 (SN 182761> Heavy Duty (North American)) John Deere TRACTOR: 6300L (SN 182761>) John Deere TRACTOR: 6320 (Heavy Duty (North American)) John Deere TRACTOR: 6320L (Heavy Duty (North American)) John Deere TRACTOR: 6400 (SN 182761> Heavy Duty (European - Not For Italy Or Spa John Deere TRACTOR: 6400 (SN 182761> Heavy Duty (North American)) John Deere TRACTOR: 6400L (SN 182761>) John Deere TRACTOR: 6420 (Heavy Duty (North American)) John Deere TRACTOR: 6420L (Heavy Duty (North American)) John Deere TRACTOR: 6420S John Deere TRACTOR: 6500 John Deere TRACTOR: 6500 (SN 182761> Heavy Duty (North American)) John Deere TRACTOR: 6500L (SN 182761>) John Deere TRACTOR: 6505 John Deere TRACTOR: 6506 (SN 182761> Heavy Duty (European - Not For Italy Or Spa John Deere TRACTOR: 6520 (Open Operators Station (European - Not For Italy Or Sp John Deere TRACTOR: 6520L (Heavy Duty (North American)) John Deere TRACTOR: 6600 (SN 182761> Heavy Duty (European - Not For Italy Or Spa John Deere TRACTOR: 6620 (Open Operators Station (European - Not For Italy Or Sp