[HoosierDaddy]

Truck tires. Great idea. I have done that as well on other trailers. My trailer is an Imperial 18' open car hauler with rubber torsion axles. It appears that fender clearance limits tire size. It had 205/75-15 tires when I bought it. After installing the spare we stopped at a Walmart in Lima, Ohio for the night. They don't carry a 15" trailer tire and said company policy forbids installing a passenger tire on a trailer. I went to Best One tire across town. They had 3 Carlyle tires the right size. $245.00 installed. Load rating is the issue. The passenger tires of this size I found were rated at 1600 to 1700# @ 45 psi. The carlyles are rated at 2100 @ 65 psi.
The new Carlyle tires are supposed to be an improvement over the ones I put new on the trailer 6 years ago. I didn't see any weather checking on the tires and they appeared to be in excellent condition before we left. The tread did seperate but it is possible it ran over road debris. I was rounding a curve with guard rails that tend to bounce errant debris back onto the road. The tire which was the leading tire on curb side was shredded but I did find a 1" long cut on the sidewall.
I left the shredded tire with the dealer and am keeping the other two tires we removed.