A ton of credit goes to the UP Steam Team for bringing UP 4014 back to life. After spending over 50 years on display, the team rebuilt it and converted it to run on oil. Only 25 Big Boys were built and eight remain in existence today (4004, 4005, 4006, 4012, 4014, 4017, 4018, and 4023). These beasts are 132 feet long and weighs 625 tons.
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