GP15D & GP20D A rare pair of Geep diesel locomotives, the GP15D and GP20D, looked like sure winners, but sank with hardly a ripple when they hit the market in the early 2000s. Locomotive builder MotivePower, Inc., based in Boise, Idaho marketed a light road-switcher concept in the early 2000s that should have appealed to […]
EMD’s Geeps: A rare pair of diesel locomotives
