4-stud-wide GP60s

My 4-stud-wide GP60s in SP, SF, NS, UP, BNSF, and CSX colors. I designed my 4-stud-wide rolling stock with the ability to run on proper 4-wide-track in mind (theoretically, the bogies can rotate, but these MOCS are entirely virtual for now) and to keep proportions as accurate as possible (the locomotives are a bit too tall, but I think they look sufficiently in-scale). This latest new iteration is based off of my GP38-2 model, but modified to look more like a GP60, as well as using clip...