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 ...
Complete design update includes high-pressure steering, engine-over-speed protection, tire-spin reduction, differential lock-engagement protection, machine/ground speed control and more "Ten years ago ...
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.