Classic Machines: The Allis-Chalmers HD-19 revisited
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
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Forgotten companies: Bucyrus-Erie
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
A more modern look at the Allis-Chalmers TS-200 motorscraper
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: The Allis-Chalmers HD-16 tractor
Replacing the previous model HD-15 in the Allis-Chalmers line of track type tractors the HD-16 was introduced with much fanfare in 1955. By Richard Campbell
The history of the towed scraper
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: The Allis-Chalmers HD-21 tractor
Developed directly from their model HD-20 (introduced 1951), the HD-21 featured among other things, one of the diesel engines from the recently acquired Buda Engine