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Hi, is this the right size for the rear crank seal, 110/130/13 as it keeps getting chewed up!, seems a bit tight going on, mains are ok so crank not loose. JD.
Can't help with the size, but suggest you check the crank for end float, especially if the tractor has done a lot of foraging or baling since the thrust bearing on the rear of the back main bearing then tends to wear. They can be changed without removing the crank, only the sump.