Tag : GarWood

Classic Machines Tractors

The Allis-Chalmers HD-20, last of A-C’s GM-powered Crawlers

Contractor Magazine
A big tractor in its day, The Allis-Chalmers HD-20 was another part of the power struggle that took place between Allis-Chalmers and International-Harvester during the
Classic Machines Tractors

Classic Machines: The Allis-Chalmers HD-19 revisited

Charles Fairbairn
Allis-Chalmers led the charge for a bigger, higher horsepower track type tractor following World War Two. The resulting model HD-19 was a breakthrough in many
Contractor Scrapers

Evolution of the Single Axle Scraper

Charles Fairbairn
Grand-daddy of all the scrapers (apart from the horse-drawn, wheel-less Fresno type), the single axle scraper has a niche in the history of earthmoving and
Classic Machines Forgotten companies

Forgotten companies: Bucyrus-Erie

Charles Fairbairn
The Bucyrus-Erie Company was world famous for it’s range of face shovels, draglines, cranes and other mining and quarry equipment. However, it also made a
Classic Machines Scrapers

A more modern look at the Allis-Chalmers TS-200 motorscraper

Gill Prentice
Although it was not an original Allis-Chalmers design, the model TS-200 motorscraper paved the way for a far more successful machine in Allis’ product line,
Classic Machines Forgotten companies

Forgotten companies: Isaacson

Charles Fairbairn
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
Contractor Forgotten companies

Forgotten companies: Eimco

Charles Fairbairn
Established in the 1880s, Eimco designed and built underground mining equipment. In a surprising move, it decided to go above ground and enter the track
Classic Machines Tractors

Classic Machines: The Allis-Chalmers HD-11 tractor

Charles Fairbairn
Designed as a replacement for an earlier tractor, the Allis-Chalmers HD-11 was a very worthy successor and was in production for over 25 years.  By
Classic Machines Tractors

Classic Machines: The Allis-Chalmers HD-16 tractor

Charles Fairbairn
Replacing the previous model HD-15 in the Allis-Chalmers line of track type tractors the HD-16 was introduced with much fanfare in 1955.   By Richard Campbell
Classic Machines Tractors

Classic Machines: The Euclid C-6 tractor

Charles Fairbairn
Richard Campbell examines the early track-type tractors produced by Euclid before its name changed to Terex. Introduced by Euclid in 1959 after extensive field testing,