AZL - 63201-4 - Locomotive, Diesel, EMD SD45 - Rio Grande - 5338

Prototype History: Notable as the first locomotive with an engine larger than 16 cylinders upon its introduction in 1965, the EMD SD45 was used on nearly every railroad at one time or another. Over the course of six years, EMD built a whopping 1260 SD45 locomotives for freight use on more than 25 railroads, with many more acquiring them second-hand. The SD45, while sharing the same common frame as the EMD SD40, was distinguished by a number of characteristics such as the flared radiator that stretched across the side of the locomotive's long hood. Several SD45 locomotives are still preserved and in service today.

From Wikipedia
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Road Name History: The Denver & Rio Grande Western Railroad (reporting mark DRGW), often shortened to Rio Grande, D&RG or D&RGW, formerly the Denver & Rio Grande Railroad, was an American Class I railroad company. The railroad started as a 3 ft (914 mm) narrow gauge line running south from Denver, Colorado in 1870. It served mainly as a transcontinental bridge line between Denver, and Salt Lake City, Utah.

In 1988, the Rio Grande's parent corporation, Rio Grande Industries, purchased Southern Pacific Transportation Company, and as the result of a merger, the larger Southern Pacific Railroad name was chosen for identity. The Rio Grande operated as a separate division of the Southern Pacific, until that company was acquired by the Union Pacific Railroad. Today, most former D&RGW main lines are owned and operated by the Union Pacific while several branch lines are now operated as heritage railways by various companies.

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