Spindle (RH/LH) (SN 010921 > ). PART NO: A-RE71278. Dim A (1)A - 12.937" Dim B (2)B - 1.745" Dim C (3)C - 1.967 Dim D (4)D - 1.312". . MODELS: John Deere TRACTOR: 7210 (SN 010921 > ) John Deere TRACTOR: 7220 John Deere TRACTOR: 7320 John Deere TRACTOR: 7410 (SN 011541 > ) John Deere TRACTOR: 7420 John Deere TRACTOR: 7510 (SN 030000 > ).