New model has a rated load of 52 tons and boasts a 7% increase in fuel efficiency over the 657G WTS. The Cat 657 Wheel Tractor-Scraper (WTS) has a rated load of 52 tons and boasts a 7% increase in ...

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

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The Miami Trailer-Scraper Co. offered scrapers that were rear dumping. Hoisting was performed either through the drive wheels or, with a special attachment for the tractor, by means of powered winch.

MOLINE, Ill. (Nov 30, 2007) – John Deere introduces a new line of large, high-horsepower tractors – the 9030 Series Scraper Tractors. These three models of tractors, ranging from 425 to 530 hp, are ...

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 ...