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.

The 651 Caterpillar scraper replaces the Cat 651E self-propelled scraper, which has not been offered for 15 years. The single-engine Caterpillar scraper has a heaped capacity of 44 cubic yards and ...

The H Series wheel tractor-scrapers include the 621H single-engine, open bowl machine, the 623H with elevating scraper and a single engine and the open-bowl 627H with twin engines and all-wheel drive.

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 has marked a milestone with the production of the company’s 75,000 th wheeled tractor scraper. The historic machine, an open-bowl, twin-engine 627K rolled off the production line at Cat’s ...