Joskin KTP27/65 Tridem

[Bo Wallen]

Originally Posted by porky69

With 1st and 3rd axles steering they counter each other(front turns left rear turns right and vice versa) and allow for sharper turns without skidding the tires (should only leave one tire track that is undisturbed on each side).

That would work if the trailer/Wagon wasn't hooked to a tractor with a drawbar.
That changes the pivot point from the center of wagon to somewhere else depending on length of drawbar e.t.c. Look at the video and pic.