I want to thank everyone for the help and replies. I don't have a hobby shop to go look at 3 rail to see if it is scale and could be made into something nice 2 rail scale. Thanks Gray for pointing out 1 inch too long car body, now I know the NW 2 will not work out.
I wonder if some people who have 2 railed 3rail engines could let us know what will work. Thanks Dave