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 : Green & McCahill
The Caterpillar J621 elevating scraper
A logical development of the Caterpillar J619, Caterpillar’s J621 elevating scraper was introduced in 1965. By Richard Campbell The Caterpillar J621 was a pairing of...
The Caterpillar 225 excavator
After years of planning and testing in secrecy, Caterpillar finally unveiled its first hydraulic excavator a fair bit later than a lot of the competition....