Quote:
Originally Posted by redneck
Many trailers of that vintage had rounded noses.
I’m guessing that tractor trailer combination had no problems making tight turns or jackknifing while backing in narrow streets or alleys to unload..
Note the extra space in the trailers rear wheel arch...
The extra space is for the sliding rear axle. 
What’s old is new.
What’s new is old.
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Im also gonna guess that the hitch pin is very near the front because the edge swing has to be equal to the circumference of the hitch pin offset radius