Tag : Allis-Chalmers

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...
Forgotten companies

Forgotten companies: Carco

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Many of the readership will identify the name Carco as being associated with logging winches and forestry equipment. However, Carco’s roots go much further back...
Classic Machines Tractors

Classic Machines: The Allis-Chalmers HD-19 revisited

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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

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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 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: Tractomotive

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An exceptionally versatile tool, the wheel loader has found a use in all phases of construction as well as quarry and aggregate production, material recycling,...
Classic Machines

Classic Machines: Birth of the Articulated Dump Truck

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Developed to a greater potential during the late 1960s with the advent of all-wheel drive, the articulated dump track has actually been around for a...
Classic Machines Tractors

Classic Machines: The Vickers VR180 tractor

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As a result of their experience manufacturing tanks during WWII, Vickers-Armstrong of Newcastle, England decided to build a track-type tractor to take on the Americans.  ...
Classic Machines Loaders

Classic Machines: The Caterpillar 922 wheel loader

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Introduced in 1960, the No.922 Traxcavator was the second Caterpillar wheel loader to be released for sale (the first was the No. 944) and proved...