The Open Bowl Wheel Tractor-Scraper is available as a self-loading, push loaded or push loaded hauling system with a broad material appetite.

Open Bowl Scrapers

The Cat 621 Wheel Tractor-Scraper

Flywheel Power - Tractor/Scraper
304 kW (407 hp)
Scraper Capacity - Heaped
24 yd³ (18.4 m³)
Top Speed - Loaded
33.5 mile/h (53.9 km/h)

651

Tractor Engine
Cat C18
Flywheel Power - Tractor/Scraper
469kW (629 hp)
Scraper Capacity - Heaped
44 yd³ (33.6 m³)

657

Tractor Engine
Cat C18
Flywheel Power - Tractor/Scraper
469kW (629 hp) / 353 kW (473 hp)
Scraper Capacity - Heaped
44 yd³ (33.6 m³)