H Series wheel tractor-scrapers build on the durability and productivity of previous models. Sequence assist and load assist automate many of the operator’s most demanding tasks, and when combined ...

The tandem-powered Caterpillar 657G wheel tractor-scraper features the Cat C18 engine for the tractor and the Cat C15 engine for the scraper. Both engines feature ACERT Technology for reliable, ...

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, ...

Complete design update includes high-pressure steering, engine-over-speed protection, tire-spin reduction, differential lock-engagement protection, machine/ground speed control and more "Ten years ago ...

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 ...

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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No tractor is less mollycoddled than the one hooked to a muckscraper. Slathered in slurry from dawn ‘til dusk and shunting back and forth with monotonous regularity, these machines have a notoriously ...