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Twenty-five Big Boy steam locomotives were built exclusively for Union Pacific Railroad. Big Boy No. 4014 was delivered to Union Pacific in December 1941. The locomotive was retired in December 1961, and is being taken to Cheyenne, Wyo., for restoration, that is anticipated to take three to five years.
CHEYENNE, Wyo. — It's longer than two city buses, weighs more than a Boeing 747 fully loaded with passengers and can pull 16 Statues of Liberty over a mountain.
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