Used Caterpillar 621B Scrapers For Sale

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, hauling, and spreading material over medium to long distances. It typically features a single-engine, open bowl configuration with a rear push-pull or push-loading arrangement depending on setup. The machine is used for moving soil, gravel, and other bulk materials efficiently across job sites. The Caterpillar 621B is recognized for its role in high-production grading and mass excavation applications, where scraper performance and cycle efficiency are important.