Hub, Front Wheel, 6 Bolt (USED W/ 5.50-16 / 6.00-16 TIRES). PART NO: A-T21543. associated items: A-WBKJD3Wheel Bearing Kit1. . MODELS: John Deere INDUSTRIAL/CONSTRUCTION: 300 (MOWER) John Deere TRACTOR: 1020 (USED W/ 5.50-16 / 6.00-16 TIRES) John Deere TRACTOR: 1520 (USED W/ 5.50-16 / 6.00-16 TIRES) John Deere TRACTOR: 2020 (USED W/ 5.50-16 / 6.00-16 TIRES) John Deere TRACTOR: 2030 (USED W/ 5.50-16 / 6.00-16 TIRES).