|Offer Type||Offer Date||Cost||Buy XP||Level||Restrictions|
|Gem Offer||Oct 2014||Bonus locomotive, included with a 72-hours Gem Offer.|
| Union Pacific operated the largest fleet of gas turbine-electric locomotives (GTELs) of any railroad in the world. The prototype, UP 50 was the first in a series built by General Electric (marketed by the Alco-GE partnership, until 1953) for Union Pacific's long-haul cargo services. The prototype was introduced in 1948 and was followed by three series of production locomotives. The turbines were used extensively; at one point Union Pacific claimed that the turbines hauled more than 10% of the railroad's freight. Units 61 to 75 were delivered to Union Pacific beginning in 1954. These were visibly different from the previous generation because of the addition of external walkways on the sides of the locomotives, earning them the nickname "verandas" and making them hybrids of carbody and hood locomotives. The turbine and electrical equipment were essentially the same, though the side louver air intakes were replaced by the large roof mounted intake first tested on UP 53.|
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