Another significant advantage to the conventional design over cabover designs is the heat issue. The heat coming off the engine is significant, and if you can m

Another significant advantage to the conventional design over cabover designs is the heat issue. The heat coming off the engine is significant, and if you can move the cab behind the engine instead of over it, it's much easier to keep the cabin cool in the summer. Large parts of the US have significantly hotter summers than those found in Europe, so this is a big issue for much of the US.