Coal Bowl Scrapers 637 Coal Bowl
- Flywheel Power - Tractor/Scraper425 kW (570 hp)/216 kW (290 hp)
- Emissions Cat® C9.3 and Cat® C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards.
- Transmission Gear - First 5.5 km/h
Coal Bowl Scrapers 657 Coal Bowl
- Tractor Engine Cat® C18
- Flywheel Power - Tractor/Scraper 469kW (629 hp) / 353 kW (473 hp)
- Scraper Engine Cat® C15