Caterpillar’s DW21 scraper revisited
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...
Tag : DW21
The Caterpillar 631A scraper
A direct descendent of the 1950’s DW21, the 631A was introduced in 1960 and was the second of Caterpillar‘s new ‘600’ series motor scrapers to...