The strangle looking D&RGW loco that RickKFoury posted above is a Krauss-Maffei class ML4000C'C' Diesel-Hydraulic locomotive built by Krauss-Maffei of Munich, Germany and which were delivered to two U.S. railroads (Denver & Rio Grande Western, three units, and Southern Pacific, three units) in August 1961.
DieselHydraulic.jpg
While very much has been written and repeated about locomotive design in the United States up until the time that the arrangements were made to construct these units and the effect this had on the desire to increase unit horsepower, very little has been presented in the English language in a brief form to explain the background behind their development in Germany.
OlPaint
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