Withers Publishing, softcover, standard portrait book 8 x 10 in., 80 pages (4 color pages.)., 250 photographs (20 Color photographs). Features: New Softcover Diesel Era Withers Publishing. To fill the gap between the 600-horsepower SW1 and the 1,000-horsepower SW7, EMD introduced its 800-horsepower SW8 model in 1950.
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