Steinwinter Supercargo under-trailer truck hauler - photo and video

[Frank S]

Considering where the kingpin is located, it would make for some interesting challenges to turning corners

Absolutely, the forward overhang can extend into opposing traffic lanes

In the 1970s Strick developed an under cab truck trailer for red ball

Also it was tried for vehicle transport rigs

but the concept works well for extreme long loads requiring a rear steerage unit