All aboard..

[SonoranWraith]

Originally Posted by scalelover

A lot of the buses I see with tandems run a standard dual tire for front axle and only a single skinny tire on the rear axle it's not a super single or even a lift axle so I don't understand why?? Just curious if anyone knows why.

It is called a tag axle. Usually a trailing (behind) set up. There are several advantages to it. Larger load capacity, better rear departure angle, more braking, reduced tire wear, etc.