The type is generally considered to be an enlargement of the 4-4-2 Atlantic type, although its prototype had a direct relationship to the 4-6-0 Ten-wheeler and 2-6-2 Prairie, effectively being a combination of the two types. Nevertheless, new Pacific designs continued to be built until the mid-1950s. On many railways worldwide, Pacific steam locomotives provided the motive power for express passenger trains throughout much of the early to mid-20th century, before either being superseded by larger types in the late 1940s and 1950s, or replaced by electric or diesel-electric locomotives during the 1950s and 1960s. The introduction of the 4-6-2 design in 1901 has been described as "a veritable milestone in locomotive progress". The Pacific lifetime lasts until roughly 1935 when the Mallard and GG1 come out, as they are superior locomotives in every aspect when it comes to pulling express trains. It should be noted that while this locomotive is powerful, it will still struggle to get anywhere on grades any higher than 3.5-4%, and therefore any rough terrain should be handled by locomotives like the Mogul or Camelback (in more extreme situations). It is for this reason that it might be necessary to begin constructing specific track for express train use, and routing local and slower trains on different tracks, in order to allow the pacific to reach it's maximum speed for long stretches, which allows profit to be maximized in turn, making up for any extra track maintenance. It is important to ensure that the Pacific's are as efficient as possible, and this should be done, by not over-saturating demand at stations, have Pacifics waiting too long at stations, have Pacific trains running empty, or have them in congested areas. When this engine comes out, it should replace any of the locomotives that are on express routes between large cities. However, due to high maintenance and fuel costs, this locomotive will find it hard to turn a profit on other types of trains or freight.
It is fantastic for use on long distance express passenger runs because of it's great top speed and power. It becomes available in the year 1908 and is the fastest locomotive available in the game at that point. The 4-6-2 Pacific is a steam locomotive in the game Railroad Tycoon II.
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