Tag : Wabco

Classic MachinesLeTourneau

The legendary LeTourneau Super C Tournapull

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Apart from the track type tractor, perhaps no other earthmoving machine advanced the art of dirt moving, lowered cost-per-yard, and changed the way contractors thought...
Classic Machines

The LeTourneau Tournacranes

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While a great many of LeTourneau’s inventions were designed for earthmoving purposes, some of his creations had very practical applications elsewhere. By RICHARD CAMPBELL There...
LeTourneau

Birth of the Articulated Dump Truck

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Developed to a greater potential during the late 1960s with the advent of all-wheel drive, the articulated dump track has actually been around for a...
Caterpillar

The Caterpillar 639D elevating scraper

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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...
Contractor

The Clark-Michigan 110 HT scraper

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Working on the principle that two engines are better than one, Michigan introduced its model 110HT twin powered elevating scraper in 1970. A modification of...