Tag : Green & McCahill

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...
Caterpillar J621 scraper

The Caterpillar J621 elevating scraper

Contrafed PUblishing
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225 excavator Caterpillar

The Caterpillar 225 excavator

Contrafed PUblishing
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