Fitment Guide:
CHALLENGER TRACTOR: MT425B, MT445B, MT455B, MT455D, MT455E, MT465B, MT465D, MT465E, MT475B-Tier III, MT475D, MT475E, MT485D, MT485E, MT495D, MT495E, MT515D, MT515E, MT525B, MT525D, MT525E, MT535, MT535B, MT535D, MT535E, MT545, MT545B, MT545D, MT545E, MT555B, MT555D, MT555E, MT565, MT565B, MT565D, MT565E, MT575B, MT575D, MT575E, MT585B, MT585D, MT585E, MT595B, MT595D, MT595E, MT635, MT635B-Tier II & III Models, MT645, MT645B-Tier II & III, MT655, MT655B-Tier II & III, MT665, MT665B-Tier II & III