Products

Wheel Tractor-Scrapers

Cat Wheel Tractor-Scrapers, or motor scrapers, have the power, traction, and speed for reliable output in a variety of applications. Scraper options include single- and tandem-engine open bowls, tandem engine push-pulls, elevators, and auger arrangements.

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Open Bowl Scrapers

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621

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers...

Maximum Depth of Spread

540.0mm

Scraper Capacity - Heaped

18.4m³

Overall Width

3.57m

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Elevating Scrapers

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623

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers...

Width - Cut

3.14m

Fuel Tank Refill Capacity - Scraper

763.0l

180° Curb-to-Curb Turning Width

11.8m

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Open Bowl Scrapers

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627

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers...

180° Curb-to-Curb Turning Width

11.8m

Scraper Capacity - Heaped

18.4m³

Maximum Depth of Spread

540.0mm

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Open Bowl Scrapers

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631 - Tier 2

Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat Wheel Tractor-Scrapers...

Scraper Capacity - Heaped

26m³

Overall Width

3.94m

Maximum Depth of Cut

450mm

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Open Bowl Scrapers

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637

Cat’s 637 Wheel Tractor-Scraper is engineered to conquer challenges operators face worldwide. With its strength and durability, it works in some of the...

Top Speed - Loaded

55.8km/h

180° Curb-to-Curb Turning Width

12.23m

Scraper Capacity - Heaped

26m³

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Open Bowl Scrapers

651

Caterpillar is excited to announce the 651 comeback into our Wheel Tractor-Scraper lineup in 2022. Delivering high levels of productivity, the 651 single...

Gross Power (SAE J1995)

475kW

Net Power (ISO 14396)

436kW

Bore

145mm

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Open Bowl Scrapers

657

Cat® Wheel Tractor-Scraper 657 twin engine has the power to boost productivity by utilize push-pull loading. Combine this ability with improvements in productivity,...