Tie Rod, Inner (W/ MFWD SN 622000- > ). PART NO: A-AL63612. Dim A (1)A - 4.060" Dim B (2)B - 28mm - 1.5 thrd. . MODELS: John Deere TRACTOR: 1550 (W/ MFWD SN 622000- > ) John Deere TRACTOR: 1750 (W/ MFWD SN 622000- > ) John Deere TRACTOR: 1850 (W/ MFWD SN 622000- > ) John Deere TRACTOR: 2155 (W/ MFWD SN 622000- > ).