2331263 UNION PACIFIC VISION BIG BOY #4012-O QuickBooks 5 ft (457 mm) longer

5 ft (457 mm) longer than an MP15DC

providing an all new image from the pilot to the tail of the observation car

making them invaluable for a wide range of projects

21 inches long

2331263 UNION PACIFIC VISION BIG BOY #4012-O QuickBooks 5 ft (457 mm) longerUnion Pacific's twenty five 4 8 8 4 Big Boy locomotives have been leaving lasting impressions since the day they first rolled out of the American Locomotive Co. Schenectady erecting shop. For all that has been said of their size, the Big Boys were just as impressive for their performance. Today, Big Boy #4014 is the pride of the railroad and draws fans from around the world. The Big Boy has been reproduced in every conceivable scale and way, including