I was going to suggest a B unit like what BN had, or (probably easier) an EMD cab like some MP GEs had. An EMD repower? That's different.
NW-2 spotting a 3 bay hopper I don't love this photo. I think it's too busy. But, playing with Helicon again.
But not unheard of. I've seen it done on some Alco's and a Baldwin or two. Can't recall seeing it done on a GE though.
Been terribly busy doing a survey near Rifle, Colorado, but managed to catch this at work one day...A Cotton Belt Flatcar leading a second life as a bridge: