EMD GP50


An EMD GP50 is a 4-axle road switcher diesel-electric locomotive built by General Motors Electro-Motive Division. It is powered by a 16-cylinder EMD 645F3B diesel engine, which can produce between. 278 examples of this locomotive were built by EMD between 1980 and 1985. BN 3110-3162 were all delivered with five cab seats, the final five of these having the cab lengthened vs. the standard EMD cab. The GP50 retains the same overall length of as the EMD GP38, EMD GP38-2, EMD GP39, EMD GP39-2, EMD GP40 and EMD GP40-2.
In 2015–2016 the Norfolk Southern Railway rebuilt 28 GP50s into the low-emission GP33ECO. And in early 2016, Norfolk Southern rebuilt one GP50 into their first GP59ECO. These units, most of which utilized GP59 cores, have similar specifications as the earlier GP33ECO program but have been built without public funding contributing to their construction.

Original Owners

Secondhand Owners