Originally Posted by Richard Martin
A little known fact is that trailer tires can be out of balance too. Since they don't ever bother to put shocks on a trailer a small bit of out of balance can cause big vibrations. With shocks the vibrations can be dampened a bit so it's not as noticeable.
yea, most manufacturers don't balance tires either it seems. When I had new tires put on my last trailer, the tire place balanced them. What a world of difference in pulling.