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Standardized Locomotives Built for the US Railroad Admin Pamphlet #10049
Standardized Locomotives Built for the US Railroad Administration Pamphlet #10049
By The American Locomotive Company Reflections for the lights on some photos
Soft Cover
36 pages
Historic reprint Copyright 1973
Introductory Notes
The American Locomotive Company's catalogue of "Standardized Locomotives Built for the United States Railroad Administration" illustrates and provides general specifications for the standard locomotives built under Government direction during and immediately after World War I. United States Railroad Administration, or USRA, locomotives not only helped to alleviate the nation's wartime needs for motive power but also served as a basic design standard for a large number of locomotives built well into the 1920s. Over 5,100 locomotives were built to USRA designs, and 1,856 of them were purchased by the Railroad Administration.
While this standardization was ordered by the Government, the job of preparing the designs, drawings, and specifications was accomplished by a committee of eleven railroad officials working with the three major locomotive builders-Alco, Baldwin, and Lima. They created twelve standard designs, encompassing both "light" locomotives of 55,000 pounds loading on the driving axles, and "heavy" locomotives of 60,000 pounds loading. Locomotive classes with both light and heavy types were the Mikado (2-8-2), the Santa Fe (2-10-2), the Pacific (4-6-2), and the Mountain (4-8-2). Switchers (0-6-0 and 0-8-0) were of the light type, while the Mallets (2-6-6-2 and 2-8-8-2) were of the heavy type. Tenders had standard tank capacities of 8,000, 10,000, and 12,000 gallons.
Appliances and accessories (airbrakes, injectors, stokers, feedwater heaters, and the like) were not standardized and their specifications were left to the individual railroads. This was because many railroads had their own standards for these components and because component manufacture was diversified among several hundred firms. The committee wanted to allow some freedom of selection to the railroads and to maintain some competition among the suppliers.
This reproduction is from an original in the collection of the John Crerar Library, 35 West 33rd Street, Chicago, Illinois. It is an exact duplicate of the original except for the preceding title page and the Introductory Notes.
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