The H Series wheel tractor-scrapers include the 621H single-engine, open bowl machine, the 623H with elevating scraper and a single engine and the open-bowl 627H with twin engines and all-wheel drive.

The single engine Cat 651 Wheel Tractor Scraper (WTS) reenters the market with upgrades to the powertrain, controls, hydraulics and structure, designed to deliver enhanced levels of productivity.

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 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 ...

Caterpillar ® has added four new towed-scraper models to its product line. The new towed-scraper models-TS180 and TS220, with two rear wheels, and TS185 and TS225, with four rear wheels-feature an ...