Why do some trailers on lorries not use all their wheels? Like some are raised up, why not use them all?

Question

Why do some trailers on lorries not use all their wheels? Like some are raised up, why not use them all?

In: 15

Answer 1

They are usually for heavier loads on roads that have lower axle weight limits. There’s no point in using it unless you need to as that’s unnecessary tire wear, and truck tires are *expensive*.