I know this thread has been dead for a while, but I wanted to point out for any prospective EE buyers that there were 5 hp WiaD models besides the more typical 3hp. The 5 hp motor was actually smaller in size.
I have had my 3hp 1956 for 11 years and love it. Even with 10s of thousands of hours on it, I can hold half a tenth all day on stock larger than 3/4" diameter and hold 3 tenths on small diameter stock near headstock where the bed wear is. The great thing about the tube machines is the way they warm the shop in the winter.
cheers
michael