The Curtiss-Wright CW-27 & CW-28
Mention the name Curtiss-Wright earthmoving machinery to someone today and they will probably give you a blank stare. By Richard Campbell. Curtiss-Wright was a company...
Tag : Wooldridge
A legendary tractor – the Caterpillar D8
There are not too many tractors that can be considered truly legendary. However, the Caterpillar D8 is one of those machines, and in this issue,...
Early development of the ripper-it started with a ‘rooter’
These days, most of us do not pay much attention to the ripper fitted to a dozer, loader or motor grader, but there is quite...
Equipment Controls – the cable era
caption: Another very popular LeTourneau PCU was the front mounted Model AN8, seen here fitted to a reasonably new Caterpillar D8-1H series. The tractor also has a...
Earthfill Compaction – A Brief History
Good compaction of fill is essential if you are to avoid subsidence. The Romans and Egyptians knew it and so did the so-called “primitive” tribes...
Forgotten companies: Ateco
Once the number one go-to organization for tractor rippers and a myriad of other useful attachments, the American Tractor Equipment Corporation (ATECO) enjoyed major success...
Forgotten companies: Bucyrus-Erie
The Bucyrus-Erie Company was world famous for its range of face shovels, draglines, cranes and other mining and quarry equipment. However, it also made a...
Forgotten companies: Isaacson
Back in time when the track type tractor was still considered a new tool for earthmoving, there were dozens of companies offering attachments to outfit...
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...