The new Cat 621H, 623H and 627H wheel tractor-scrapers feature a more powerful engine in the tractor, and a more powerful engine in the scraper of the 627H. The Cat C13 engine in the tractor produces ...

The 657 Caterpillar scraper is a combination tractor-scraper utilizing a 585-horsepower Cat C18 diesel in the tractor and a 447-horsepower C15 in the scraper. The transmission features Electronic ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1925, the Holt Manufacturing ...

Grounded in central Illinois throughout its century-long history, heavy equipment manufacturer Caterpillar has seemingly been smitten by corporate wanderlust of late, moving its headquarters from ...

In each issue of Diesel Power, the Baselines department will take a look back at the history of diesel-powered vehicles. This peek into the past of diesels will cover powerplants, historic diesel ...