How Do Railroads Keep Track of Cars?

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link to EMD SD70 Series

EMD SD70 Series

The EMD SD70 series of locomotives began production in 1992, and is a six axle road switcher. Many variants of the locomotive were produced,and proved to be a reliable and safe design. The SD70...

link to EMD GP7


The EMD GP7 locomotive is a versatile 4-axle road switcher, capable of both freight and passenger service. Introduced in 1949, this locomotive was the first road locomotive that EMD produced that...