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 ...

"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 ...

Caterpillar Inc. employees marked a major milestone, commemorating the production of 75,000 wheel tractor-scrapers at the Decatur, Ill., facility. The historic machine, an open-bowl, twin-engine 627K, ...

The new Cat 621H, 623H and 627H wheel tractor-scrapers feature a more powerful engine in the tractor, and a more powerful engine in the scraper of the 627H. The Cat C13 engine in the tractor produces ...

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 ...

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The 630K Series wheel tractor-scrapers—631K and 637K—replace the previous 630G Series and feature a complete design update, including high-pressure steering, engine-over-speed protection, tire-spin ...