The self-propelled scraper—or in Caterpillar parlance, the “wheel tractor-scraper”—continues to be not only a viable machine in Caterpillar’s range of bulk-earthmoving equipment, but also, with the ...

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 ...

DECATUR – Caterpillar workers have been in the mud-slinging business in Decatur for 59 years and celebrated a milestone Wednesday: the production of their 75,000th wheel tractor-scraper. The monster ...

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.