The 651 Caterpillar scraper replaces the Cat 651E self-propelled scraper, which has not been offered for 15 years. The single-engine Caterpillar scraper has a heaped capacity of 44 cubic yards and ...

The 657 Caterpillar scraper is a combination tractor-scraper utilizing a 585-horsepower Cat C18 diesel in the tractor and a 447-horsepower C15 in the scraper. The transmission features Electronic ...