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 ways and was the foundation on which the later, highly successful model HD-21 was based. By RICHARD CAMPBELL
We first took a look at the Allis-Chalmers HD-19 back in...
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 wide range of tractor equipment that was popular through the 1930s to the middle 1950s which is now largely forgotten. By RICHARD CAMPBELL.
The Bucyrus Foundry Company of Bucyrus,...
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, the TS-260. By RICHARD CAMPBELL.
We first took a look at the Allis-Chalmers TS-200 way back in 2003, and for the benefit of our newer subscribers and those who may have missed the...
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
Physically, the Allis-Chalmers HD-16 was a little larger than its predecessor and featured one of the newly acquired Buda diesels. Up until 1955 Allis-Chalmers tractors had been...
Before the motor scraper there was the towed scraper – one of the first types of bulk earthmoving equipment to be invented. RICHARD CAMPBELL looks back.
Early ‘Fresno’ type towed scrapers (named after the area in the US where the type originated) were nothing more than simple pans pulled by mules, oxen or horses and dumped by...
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 Company. By Richard Campbell
Introduced in 1955, the HD21, an 84 inch gauge, D8 sized tractor, was the flagship of the company’s track type tractor range for almost 14...
