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Photographer's Note

...."3977"....

"When the Challenger Engine #3977 was delivered to
the Union Pacific" Railroad in June 1943, it was one of
105 such engines built by the American Locomotive
Company on New York. There are two remaining "3900"
class locomotives, and the only one in the world on
public display is the center of the Union Pacific
Rail Museum in North Platte, Nebraska, USA.
These Engines were designed for both freight and
passenger service and for speeds up to 80 mph.
The first source of energy used was coal, but in 1945
the engine was converted to an oil burner and the number
was changed to 3710. The total weight of the engine fully
loaded is 1,069,800 lbs. The tender is 47 ft. 3/8 in. long
and will hold 28 tons of coal or 5,945 gallons of oil, and
25,000 gallons of water. The engine is actually two
locomotives under one boiler.

The Challenger was the largest engine on the rails for
a time. Her first assignment was hauling freight between
Los Angeles and Salt Lake City and from Los Angeles
to Caliente, California. After diesels took over, she was
assigned to the Wyoming Division and then to the
Nebraska Division until her retirement in November 1961.
The original number 3977 was restored at that time.

The Union Pacific Railroad donated and installed
Engine #3977 in the Railroad Museum October 19, 1968."

Information provided by the

Union Pacific Museum and Depot Display
North Platte, Nebraska, USA

****
Thanks to everyone for looking in.
Larry


Original, sized, sharpened and framed for TE
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Additional Photos by Larry Williams (lrw1966) Gold Star Critiquer/Gold Note Writer [C: 378 W: 0 N: 451] (1632)
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