I'm not sure if this will help in your discussion, but here it is. Historically though trailers were pulled by some sort of pintle hitch arrangement and had wheels at the front and the back as in the "California" setup. a "Semi" trailer is called that because there are no wheels up front.
Does anyone have access to Canadian Libraries for old Truck Magazines
Discussion in 'Canadian Truckers Forum' started by Cameron E, Oct 22, 2022.
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