UP #410 (ex-Southwest Portland Cement Co. #410, exx- Norfolk and
Western, exxx-Akron, Canton & Youngstown #505, is a H20-44 switcher. Built by Fairbanks-Morse
(builder's # 20L832) in 1954, it one of 96 built between 1947 and 1954, is the last one of
this type sold by Fairbanks Morse (Aldag 1988) and is one of only three still surviving
(the other two are at the San Diego Railroad Museum, El Campo, CA, and the Illinois Railway
Museum, Union, IL). The engine is nicknamed "Big Mike" in memory of Mike Leigh who was in
charge of maintenance in the early days of the Museum. #410 has a light at both ends. The
two stacks are side by side near the front of the engine. The engine, which is an opposed
piston type engine, has 10 cylinders and generates 2000 horsepower. The motor generates
75,000 pounds of tractive effort starting and 42,800 continuous at 14.7 mph.
This engine was never owned by Union Pacific, but was painted in UP colors
because of the presence of the UP in Galveston. It was donated to the Museum in 1984 by the
Portland Cement Co., Victorville, CA. She is operable.
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