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...
Tag : Heil
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...
The history of the towed scraper
Before the motor scraper there was the towed scraper – one of the first types of bulk earthmoving equipment to be invented. RICHARD CAMPBELL looks...
The International Harvester 270 PayScraper
Ten years ago, when I first wrote about the International 270 PayScraper (Contractor, September 2005), the article was heavily abridged to fit available publishing space. Also,...
Caterpillar’s Diesel Sixty: A landmark machine
The Diesel Sixty marked a significant milestone in the development history of the track type tractor in that it was the first such diesel engined...
The International-Harvester TD-18 tractor
International introduced the model TD-18 track type tractor in 1938, primarily aimed at the growing construction market. Initially known as the TD-65, the machine’s designation...