Used Caterpillar 637 Scrapers For Sale

The Caterpillar 637 is a self-loading wheel tractor-scraper used for earthmoving, grading, and large-scale site preparation. As a scraper, it is designed to cut, load, haul, and spread material efficiently over medium to long distances. Caterpillar 637 models are typically used in highway construction, mining, land development, and bulk excavation applications. The machine combines a tractor unit with a scraper bowl and ejector system for material handling. Depending on configuration and production year, the Caterpillar 637 may feature different engine, transmission, and bowl capacities. It is recognized for high production in mass earthmoving operations and coordinated fleet work.