Replacing the 657E, Caterpillar's 657G open-bowl scraper features Cat's C18 ACERT engine for the tractor and the C15 ACERT engine for the scraper. The largest of eight machines in the G Series wheel ...

Learn the detailed process of repairing a damaged CAT 631 scraper hydraulic cylinder rod, from machining and boring to welding. Watch skilled technicians restore the rod’s functionality by ...