Big Boy # 4014, old Diesel Steam Locomotive, Overton, Texas USA
November 11th 2019 According to Union Pacific Building America, there were only twenty five "Big Boy" Locomotives built exclusively for the Union Pacific (UP) Railroad in the early 1940s. The engine with tender were 132 feet long and weighed 1.2 million pounds. The Big Boys were originally coal burning steam engines, but later converted to #5 oil (diesel) steam boilers. There are seven Big Boys on display with one i
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