My 04 2980 has about 2000 miles on it and I noticed significant tire wear on the rear axles. Had my dealer check it out and found a miss allignment. The dealer then had me take the trailer to a alignment shop. The alignnment shop found a severe toe in problem, a bent rim (no sign of the rim being damaged on a curb) and worn nylon suspension bushings. The wheels were aligned (warranty), the spare tire was swapped with the bent rim and at the alignment shops recommendation had a heavy duty greaseable Dexter suspension kit installed (cost $290). The nylon bushings used in the original suspension are ok if you buy a unit and park it at the lake but not for units that are on the road. I can see that when the nylon bushing is worn that the play in the suspension could cause the failure in the picture.
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