First introduced into the Cat^®  Wheel Tractor-Scraper lineup in 1962, the 657 continues to uphold its legacy as one of the Cat^® signature machines. Its twin power gives it the ability to boost productivity and utilize push-pull loading. Combine this ability with improvements in productivity, enhancements in operator comfort, and new safety features – Powered Access System and effective wet disc brakes – and you have a machine offering high returns on profit and time.