Tag : GarWood

Allis-ChalmersClassic Machines

The early Allis-Chalmers HD-16

Contractor Mag
One of the most popular of all Allis-Chalmers’ track-type tractors, the D8-sized model HD-16, first appeared in 1955 following the discontinuation of the former model...
Classic Machines

Early development of the ripper-it started with a ‘rooter’

Contrafed PUblishing
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...
Classic Machines

Equipment Controls – the cable era

Contrafed PUblishing
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...
Classic Machines

Earthfill Compaction – A Brief History

Contrafed PUblishing
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...
Allis-ChalmersContractorTractors

Classic Machines: The Allis-Chalmers HD-5

Contrafed PUblishing
Allis-Chalmers always had a good reputation for making reliable and versatile track type tractors, but its new HD-5 introduced in 1946 exceeded all expectations. By...
Allis-ChalmersTractors

The Allis-Chalmers HD-19 revisited

Contrafed PUblishing
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...
ScrapersSingle Axle

Evolution of the Single Axle Scraper

Contrafed PUblishing
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...
Forgotten companies

Forgotten companies: Bucyrus-Erie

Contrafed PUblishing
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...