Super-dozer – the Komatsu D455A
Second of the very large track type tractors, or ‘Super-Dozers’ to emerge during the 1970s (the first was the Allis-Chalmers HD-41), the Komatsu D455A went...
Tag : track-type tractors
Earthmoving equipment as an art form
This month we’re doing something a little out of the ordinary. The 30s, 40s and 1950s were the zenith of stylish industrial design and class....
Euclid’s 16TDT twin powered scraper
One of Euclid’s earliest twin powered scrapers, the Euclid 16TDT was a progressive development of that Company’s experiments with tandem powered earthmovers and it created...
LeTourneau’s Model A Tournapull
R.G LeTourneau conceived the idea of the self-propelled motor scraper while recovering from a near-fatal auto accident. He approached Caterpillar with the concept but they...
Forgotten companies: Bucyrus-Erie
The Bucyrus-Erie Company was world famous for its range of face shovels, draglines, cranes and other mining and quarry equipment. However, it also made a...
The Caterpillar 639D elevating scraper
As in comedy, they say that timing is everything. Caterpillar introduced the model 639D just when the bottom was beginning to fall out of the...
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 Euclid C-6 crawler tractor
Richard Campbell examines the early track-type tractors produced by Euclid before its name changed to Terex. Introduced by Euclid in 1959 after extensive field testing,...