Dim A (1)
A - 4.060"
Dim B (2)
B - 28mm - 1.5 thrd.
Fits the following makes and 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->)