The Caterpillar 621B is a wheel tractor-scraper used in earthmoving, road construction, and large-scale site preparation. As part of Caterpillar's scraper lineup, the 621B is designed for loading, ...

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 ...

Caterpillar integrated the four towed-scraper models acquired with the E-Ject Systems purchase into its product line. The TS180 and TS220 are two-wheel units with heaped capacities at 19 cubic yards, ...

The single engine Cat 651 Wheel Tractor Scraper (WTS) reenters the market with upgrades to the powertrain, controls, hydraulics and structure, designed to deliver enhanced levels of productivity.

Caterpillar Inc. employees marked a major milestone, commemorating the production of 75,000 wheel tractor-scrapers at the Decatur, Ill., facility. The historic machine, an open-bowl, twin-engine 627K, ...

The Caterpillar 621G is a self-propelled open bowl scraper used in earthmoving, road construction, and large-scale site preparation. It is part of Caterpillar's G Series scraper line and is designed ...