This is a model of a EMD E-Series Passenger Locomotive. Parts of the locomotive are taken from the thingiverse models: https://www.thingiverse.com/thing:4796985 and https://www.thingiverse.com/thing:5602947.
The trucks and underbody chassis are ---w-o-r-k -i-n -p-r-o-g-r-e-s-s.- The author has left it as an exercise for the reader.
The author remixed this model.
Only used it for some basic OML shapes. Most work is original.