|Set||Coulomb Express II (+180%)|
|Offer Type||Offer Date||Cost||Buy XP||Level||Restrictions|
|Special||2 Apr 2019||320||129,000||90||Limit 2|
|Vintage||13 Oct 2019||270||129,000||70||Limit 3|
| The FEF was a series of three steam locomotive types owned and operated by the Union Pacific Railroad. The classes were: FEF-1; FEF-2; FEF-3. "FEF" was an acronym for the wheel arrangement, "four-eight-four". The second batch of fifteen was delivered in 1939. These had several improvements, including larger cylinders, better tractive effort, taller driving wheels, and smoke deflectors on the sides of the smokebox. The greatest change, however, was the provision of a fourteen wheeled “pedestal” or “centipede” tender, in place of the twelve wheeled ones of the first twenty locomotives. Thus, the first locomotives became known as "FEF-1," whilst these were known as "FEF-2".|
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