Tag : Wooldridge

Classic Machines Contractor Forgotten companies

Classic machines: The scrapers of Curtiss-Wright

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A company far better known for its aircraft such as the legendary Jenny, Kittyhawk, Tomahawk and Helldiver, plus a very successful line of aircraft engines,...
Classic Machines Forgotten companies

Forgotten companies: Bucyrus-Erie

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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 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...
Classic Machines Scrapers

Classic Machines: 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...
Classic Machines Scrapers

Classic Machines: Mississippi Road Supply Company (M.R.S)

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Specialising in assembled machines, primarily for the US military, the Mississippi Road Supply Company (MRS) produced a range of motorscrapers including the monstrous Model 250,...
Classic Machines Scrapers

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...
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...
Classic Machines Tractors

Classic Machines: A landmark machine

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The Diesel Sixty marked a significant milestone in the development history of the track type tractor in that it was the first such diesel engined...