The 1960s and 1970s were a very fertile time for machinery manufacturers with a worldwide boom in earthmoving projects, and the big manufacturers of the...
Caterpillar’s model 619 motor scraper was the very first of its ‘600’ series machines and introduced quite a few innovations not seen on its previous...
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...