657G Wheel Tractor-Scraper HomeNewCat® Construction EquipmentScrapers657G Wheel Tractor-Scraper Call Us Contact Us About This Equipment Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing the Cat 657E Coal Scraper to consistently deliver high productivity at the lowest cost per ton. Cat Specs Photos Downloads Engine Flywheel Power - Tractor/Scraper 447 kw (600 hp) / 337 kW (451 hp) Tractor Engine Cat C18 Operating Specifications Scraper Capacity - Heaped 73 yd³ Top Speed - Loaded 33 mile/h Dimensions Wheel Base 36.08 ft Download Specalog