This is a new in box, TNT United Terminal Set. It includes both tractors, 3 trailers, and 2 dollys. You need this one in your collection for sure.   Found 1 more on the shelf.

This is a very nice 1/64 scale Diecast Model for TNT United made by DieCast Promotions.  This was a very limited production and not too many of these will be available. Only 160 of this set were ever made.
A very heavy Diecast Semi with Double Trailers and a single pup. This one can be displayed as doubles, triples, or any other combination that you would like.

TNT UNITED SET Item # DCP 30895