Caterpillar dual axle DW21 scraper ScrapersCaterpillar’s DW21 scraper revisitedContrafed PUblishingFebruary 27, 2017February 23, 2022 by Contrafed PUblishingFebruary 27, 2017February 23, 2022 Born of necessity, the Caterpillar DW21, the great granddaddy of all Caterpillar 2-axle scrapers, went on to become a very successful scraper for Cat and...
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