Tag : Allis-Chalmers

LeTourneau

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...
Tractors

The Vickers VR180 tractor

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

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...
Classic MachinesScrapers

The history of the towed scraper

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Before the motor scraper there was the towed scraper – one of the first types of bulk earthmoving equipment to be invented.   RICHARD CAMPBELL looks...
International-Harvester

International-Harvester’s E270 Payscraper

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A logical development of its existing model 270 single engined open bowl PayScraper, International began design work on what was to become the E270 PayScraper...
Classic MachinesScrapers

The Allis-Chalmers 562 motor scraper

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There is an inherent fascination with large pieces of earthmoving equipment, no matter what function they perform and the rarer those pieces of equipment are,...
Classic MachinesScrapers

Wooldridge’s scraper range

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Wooldridge is not a name many of our readers will be familiar with and yet it was an important evolutionary branch of the motor scraper...
Classic Machines

The Allis-Chalmers HD-41 tractor

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Having led the charge for larger, higher horsepower tractors following WWII, Allis-Chalmers once again was at the forefront of large tractor development when the model...
Allis-ChalmersModel Collector

The Allis-Chalmers HD-21 tractor

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Developed directly from its model HD-20 (introduced 1951), the HD-21 featured among other things, one of the diesel engines from the recently acquired Buda Engine...
Classic MachinesScrapers

International Harvester’s 400 series scrapers

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An entirely new design from International Harvester, the 400 series was based around a modular concept of construction and consisted of four machines – a...