I found this thread on a search of tow dolly tires. I also am having issues of tires wearing out pre-maturely. Master tow dolly, Tow Master trailer radials, ST205/175R14 size. The set from Master Tow were shot at 7,000 miles and contacted Master Tow to complain. They reimbursed me $120 ($60 per tire) towards new tires which cost a little over $100 a piece. The new Tow Master tires mentioned above have not quite 10,000 miles and are shot also. They are wearing unevenly. First question: Do tires designed for trailers have a shorter life for some reason? Do tow dollies need alignments like a car? I just don't understand why a radial I put on my car can go 50k - 70k miles and this tow dolly can't even squeak out 10??? I never tow empty and do NOT exceed the trailer limits and rarely do mountain driving. What's the answer here??