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Classic Machines Scrapers

Classic Machines: Caterpillar’s DW21 scraper revisited

Contrafed PUblishing
by 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
by Contrafed PUblishing
...
225 excavator Caterpillar

The Caterpillar 225 excavator

Contrafed PUblishing
by Contrafed PUblishing
...