"Ten years ago, scrapers probably were the most absent of technology of any machine that we had,” notes John Gerhold, product application specialist, Cat wheel tractor-scrapers. The launch of the Cat ...

Featuring the field-proven, twin-power design to boost cycle times, the new Cat® 657 Wheel Tractor-Scraper (WTS) elevates productivity and operating efficiency to deliver low-cost earthmoving. A 7% ...

The new Cat ® 620 K Series Wheel Tractor-Scrapers—621K, 623K, and 627K—refine the design of their H Series predecessors, which introduced industry leading features such as Sequence Assist and Load ...

Caterpillar has introduced the new Cat 657 Wheel Tractor-Scraper (WTS), which features a twin-power design to boost cycle times and elevate productivity and operating efficiency to deliver low-cost ...

The self-propelled scraper—or in Caterpillar parlance, the “wheel tractor-scraper”—continues to be not only a viable machine in Caterpillar’s range of bulk-earthmoving equipment, but also, with the ...

The Cat 657 Wheel Tractor-Scraper (WTS) has a rated load of 52 tons and boasts a 7% increase in fuel efficiency over the 657G WTS. Its two-engine design includes the Cat C18 powering the tractor and ...

Elevating scrapers such as this Cat 623G have the advantage of being able to load themselves without the help of a pusher. To the casual observer, the scraper market may seem to be shrinking. But a ...