Originally Posted by troidus
Neither of those look right to me. Around here there will be tandems on the lead trailer, tandems on what my dad called the converter (the middle fifthwheel), then tandems on the following trailer, for a total of six axles, plus three axles (steering, drive, and tag or steering and two drive) on the tractor.
If this is what your describing? I haven't seen those in use for years, axle/load/length rules I think have pretty much killed off any useful commercial use.