GN 400 was the first of eight SD45s (GN 400-407 all delivered in the GN Omaha orange and Pullman green simpified scheme) in between May and June 1966 to the Great Northern at its Dale Street Shop in St. Paul, MN. GN 400 was christened HUSTLE MUSCLE by the Great Northern Railway.
Great Northern Hustle Muscle EMD SD45
GN 400 was the first 3600 horsepower, turbo-charged, 20 cylinder production model SD45 diesel electric locomotive manufactured by General Motors Corporation (EMD).