MOC: Road Repair Tractor. A modern interpretation of the classic set 6647, Highway Repair from 1980. The tractor itself is a relatively simple, 6-wide design, with a 3-wide nose. It took a bit of fiddling to get the nose right, incorporating some parts to indicate the engine while maintaining enough structural integrity for it not to come apart very easily, but it survived the trip to its first event in one piece, so the end result isn't too bad. And even though a proper Ford tractor…