Four models of pull-type scrapers are available in 17- and 22-cu.-yd. capacities, and in standard two-wheel (E-17 and E-22) or an advanced four-wheel design (E-17XW and E-22XW).

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.

Caterpillar's latest and largest G Series scraper — the 657G — features Tier III-compliant ACERT engines. Dual horsepower capabilities of 451/410 at the rear and 600/564 at the tractor produce more ...