From 1910 to 1925, the Best Company and the Holt Brothers competed in producing tractors and heavy machinery. In 1925 Best purchased Holt and later became known as Caterpillar. Orlemann discusses all Caterpillar models from 1885 through today, with special emphasis on breakthrough models like the Model 60 bull dozer, the diesel tractors, ag machines and the tracked crawlers. Includes coverage of hydraulic excavators, scrapers, crawler loaders, dump trucks and more. Sftbd., 8 1/4"x 9", 96 pgs., 80 color ill. 14.95
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