Regular road tractors can pull tri-axle trailers with gross combination weights as high as 100,000 pounds in Maine, says Hartt Transportation. Tri-axle trailers are again in the news as another ...
Hartt Transportation runs tri-axle vans, among other things, in Maine, where such rigs may gross 100,000 pounds. Some tractors are specially spec’ed for pulling heavy water tankers, but normal road ...