Tag : LeTourneau

Classic Machines Forgotten companies

Forgotten companies: Isaacson

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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...
Allis-Chalmers EMD Scrapers TS460

The Allis-Chalmers TS460 motor scraper

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Allis-Chalmers was always an innovator when it came to construction equipment although not all of its products were instant successes, its TS460 motor scraper being...
Caterpillar dual axle DW21 scraper Scrapers

Caterpillar’s DW21 scraper revisited

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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 Wabco 229 Series – End of a long lineage

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In a successful attempt to keep up with the competition, Wabco finally incorporated full hydraulic controls into the Model C Tournapull. By Richard Campbell. Starting...
L-series Pacemaker LeTourneau

RG Le Tourneau’s L-series Pacemaker

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Le Tourneau was a visionary machine designer. His innovative electric wheel, developed for the L-series Pacemaker motorscraper, is now used in most mining trucks. Only...

LeTourneau’s Model D Tournapull

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The Le Tourneau-Westinghouse D Tournapull was one innovative machine, says Richard Campbell. Descended from the original Le Tourneau ‘D’ Pull which dated back to 1946 and...
Caterpillar D8 model

The Caterpillar D8 dozer

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A true classic tractor in every sense of the word, the Caterpillar D8  has been around in various forms since 1935.   BY RICHARD CAMPBELL This...

Classic Machines: The Allis-Chalmers HD-19 tractor

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 Allis-Chalmers was the first heavy machinery builder to enter the big track-type tractor development race immediately following World War II. Richard Campbell looks at its...

LeTourneau’s LW12 Tournatractor

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LeTourneau was first off the blocks with a wheeled bulldozer, a roadable and manoeuvrable machine suited to many earthmoving jobs. Here we take a closer...
Classic Machines Scrapers

Classic Machines: 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...