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Utah Railway (UTAH) serves the coal mining industry in southern Utah.
UTAH 2008 at Ogden, UT, 8/05/05. |
UTAH 5006 at Boise, ID, 8/06/02. |
5006 is a very rare locomotive; only 6 were built by [then] Morris-Knudsen
(MK) Locomotive in 1994. With a 5000 horsepower Caterpillar engine, they went
to Southern Pacific for several years and proved to be unsuccessful, probably
contributing to MK's bankruptcy. Too much horsepower to transmit to the rails
with DC traction made them prone to excessive wheel slip and reliability
issues with the Caterpiller prime movers. The locomotive has since
been repowered.
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