EAN: 4009803021652

02165 - TRAIN - MULTI - 10 JAHR(E) - 464 CM (MR...

The Union Pacific Series 4000 (known as the Big Boy) is a series of steam locomotives built
between 1941 and 1944 by ALCO (American Locomotive Company) in a total of 25 units. A single
locomotive (without tender) is 85 feet (26.16 m) long and has a service weight of 1 300 000
pounds (548.3 tons). The locomotives had a rare 4-8-8-4 wheel arrangement according to Whyte
notation. The Union Pacific Series 4000 steam locomotives were built for the Union Pacific
Railroad and are distinguished by several unique features. They are recognized as some of the
largest and most powerful steam locomotives of the 20th century  and several sources highlight
them in these areas. They were also the only locomotives with a 4-8-8-4 wheel arrangement 
which was necessary due to their size and ability to haul heavy loads at high speeds  up to 80
mph (130 km h). The locomotives were designed with safety in mind and were relatively easy to
operate  making them well suited for use during World War II. The last of these steam
locomotives was retired in 1959. Today  eight of the original 25 Big Boy locomotives produced
are preserved as museum pieces.

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