Tag : W Stevenson & Son

Classic Machines Scrapers

Classic Machines: Caterpillar’s DW21 scraper revisited

Contrafed PUblishing
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...
Classic Machines Scrapers

Classic Machines: The Caterpillar 630A scraper

Contrafed PUblishing
Although the Cat 630A was a significant improvement on its predecessor, it didn’t have hydraulic controls and was soon surpassed by the 630B.   By Richard...
Classic Machines Scrapers

Classic Machines: The Caterpillar DW20 motorscraper

Contrafed PUblishing
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Classic Machines Scrapers

Classic Machines – The Caterpillar DW15 scraper

Contrafed PUblishing
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