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Switcher is the biggest
steam engine ever built. It's
one of the 24 Union Pacific
4-8-8-4 Big Boys.
The Little Switcher comes
up to its badge.
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UP4012 Big Boy | |
| Right behind the Little Switcher is the biggest steam engine ever built. It's one of the 24 Union Pacific 4-8-8-4 Big Boys. The Little Switcher comes up to its badge. |
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