System policy contributes to operating economy by assuring increased locomotive reliability, longer mileage between heavy repairs and fewer days in shop; heavy maintenance work concentrated; map illustrating major locomotive repair shops on Union Pacific; system shop-production time study produces results; trends in train speed, tractive force, and unit locomotive maintenance cost.
Motive power effectively maintained on the Union Pacific
Ry. Age
Railway Age ; 90 , n 25
1931
3 pages
5 Figs.
Article (Journal)
English
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