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Up bigboy 4006-2

4006 at the St. Louis Museum of Transportation.

Union Pacific #4006

Built

1941

Class

4884-1

Configuration

4-8-8-4

Retired

1959

Disposition

Static Display

UP 4006 was one of the 25 Big Boy Locomotives that where built Union Pacific. 4006 was built by the American Locomotive Company in 1941 and was retired in 1959. 4006 is known to be the Big Boy to travel the farthest. 4006 is on static display at the National Museum of Transportation in St. Louis, Missouri.

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