Originally Posted by
MaggiesMaster
Even cheap tires shouldn't wear out that fast. Are the 4.80-12's the correct load size for your trailer wt? You might consider 5.30's or a larger ply. Were they inflated correctly? You should always have the pressure indicated on the tire; anything less will put a lot of stress on the tire. Also, is your trailer axle in line? Sometimes you hit something(like turning too short on a curb) and knock the axle out of alignment. That will cause irregular and extra wear on the tires.
I'm an expert on screwing up trailer tires and bearings--if it can be done, I've done it!:D