Trailer tyre’ topic has come up a hundred times. Why can’t I use automotive tires on my trailer? That’s a fair question, so let’s explore it.
Let’s explore this question in some depth. I have asked many trailer parts stores (and tire stores) the same question. Most are quite adamant that only trailer specific tires should be used on trailers. Others are a little more humble and admit they don’t really know why. Only a few can articulate the why’s of choosing a tire specific for your trailer. And, unfortunately there is a lot of BS out there, kind of like this guy.
In full disclosure, I’m not a tire expert. I’ve designed a bunch of things in my life, but never a tire. On the other hand, I’ve talked with a lot of tire experts and here’s how I come down on the issues. Trailer tyre
First, trailer tires exist for a reason, and it’s not just to get more money out of you.
Second, anyone that says trailer tires experience more crazy loads and dynamics than autos are not thinking clearly.
Third, trailer DON’T have inherently more trouble with tires than cars.