Union Pacific Railroad

The Union Pacific Railroad {{nyse|UNP}} is the largest railroad in the United States. Its primary AAR reporting mark is UP. Richard K. Davidson, who began his career as a Missouri Pacific brakeman in 1960, has headed Union Pacific Railroad since 1991 and parent Union Pacific Corporation since 1997. James R. Young is president and chief operating officer and Richard "Dick" K. Davidson is the CEO of the Railroad.

Historic locomotives

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The UP, uniquely among modern railroads, maintains a small fleet of historic locomotives for special trains and hire. All historic Locomotives are stored in Cheyenne, Wyoming in the roundhouse. The roudhouse is just south of the historic depot.

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• UP 844 is a 4-8-4 Northern type express passenger steam locomotive (class FEF-3). It was the last steam locomotive built for the Union Pacific and has been in continuous service since its 1944 delivery. A mechanical failure in which the boiler tubes from the 1996 overhaul, being made of the wrong material, collapsed inside the boiler and put the steam locomotive out of commission on June 24 1999. The Union Pacific steam crew successfully repaired it and returned it to service on November 10 2004. It is the only steam locomotive to never be officially retired from a North American Class I railroad.
• UP 3985 is a 4-6-6-4 Challenger class dual-service steam locomotive. It is the largest steam locomotive still in operation anywhere in the world. Withdrawn from service in 1962, it was stored in the Union Pacific roundhouse until 1975, when it was moved to the employee's parking lot outside the Cheyenne, Wyoming depot until 1981 when a team of employee volunteers restored it to service.
• UP 951, 949 and 963B are a trio of streamlined General Motors Electro-Motive Division E9 passenger locomotives built in 1955. They are used to haul the UP business cars and for charter specials. While externally they are 1955 vintage locomotives, the original twin engines have been replaced with single EMD 16-645E 3000 hp (2.2 MW) units and the electrical and control equipment similarly upgraded, making them modern locomotives under the skin.
• UP 6936 is an EMD DDA40X "Centennial" diesel-electric locomotive. These were the largest diesel locomotives ever built and were manufactured specifically for Union Pacific.
• UP 5511 is a 2-10-2 steam locomotive. This locomotive is very rarely ever heard of, due to the fact that it was never donated for public display. This locomotive is reportedly in excellent condition, and a restoration probably wouldn't take more than a couple of weeks. The only thing keeping it from being restored is that it would be limited to 40 mph or lower due to its large cylinders and small drivers. As of August 2004, this locomotive is being offered for sale by UP.

In addition there are a number of other locomotives kept in storage for possible future restoration. Rio Grande (DRGW) F9B 5763 is one of the units in storage, part of the Trio (A-B-B) of F9s that served on the Rio Grande in various Passenger Duty services (From the Denver Ski Train to the Zephyr Trains) until thier retirement in 1996. Sister Units 5771 (F9A) and 5762 (F9B) were donated to the Colorado Railroad Museum. Chicago & Northwestern F7 #401, used in Chicago Commuter Service, also was retained by UP.

Related Topics:
F9s - F7

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Among the former tenants was Southern Pacific SD7 1518 (The First Production SD7 (ex. EMD demo 990), transferred to the Illinois Railway Museum after sometime in storage in the UP shops.

Related Topics:
SD7 - EMD

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