It has air brakes. The truck came with Dayton (spoke) wheels but someone must have changed both axles at some time because the ratio is for a Diesel and it would run 100 mph with the V8 gas burner. The wheels are actually hub piloted which means that they aren't too old. I have a parts truck also on straight air with Daytons and I am going to swap both axles. I think it spent its entire life on the East Coast. I want it to look similar to this when I'm done.
http://picasaweb.google.com/crenwelgeoil/MyDocuments#5368146254965267442 The engine is a 270 GMC which I had bought some time ago in South Carolina. I want to put it into a 55 GMC that has a rather tired 248. I
