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Originally Posted by NJSPEEDER
18 wheelers are a lot wimpier than you would think. other than the doors, frame and front bumper they are almost entirely made of fiberglass. trailers are just as bad, aluminum frame/thin walls/tiny reenforcement ribs and a very thin fiberglass roof.
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Tim's right... tractors and trailers are horribly constructed, and aren't strong at all. I used to work for a steamship line, and I learned all about the construction of tractors and trailers, and how they are repaired. Scary, that the majority of our cargo is shipped on these things.