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Wheel Tractor Scrapers

Cat Wheel Tractor-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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621

Open Bowl Scrapers
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Maximum Depth of Cut
12.4 in
Fuel Tank Refill Capacity - Scraper
216.1 gal (US)
180° Curb-to-Curb Turning Width
38.71 ft
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621

Open Bowl Scrapers
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Overall Shipping Height
13.22 ft
Overall Width
11.75 ft
Scraper Capacity - Heaped
24 yd³
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651

Open Bowl Scrapers
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Tractor Engine
Cat C18
Flywheel Power - Tractor/Scraper
469kW (629 hp)
Net Power
469 kW/637 hp
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657

Open Bowl Scrapers
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Tractor Engine
Cat C18
Scraper Engine
Cat C15
Flywheel Power - Tractor/Scraper
469kW (629 hp) / 353 kW (473 hp)
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621 Partial Scraper

Partial Scrapers
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Tractor Engine
Cat® C13
Flywheel Power - Tractor
407 hp
Note
Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
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631 Partial Scraper

Partial Scrapers
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Tractor Engine
Cat® C18
Flywheel Power - Tractor
570 hp
Note
Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
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651 Partial Scraper

Partial Scrapers
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Tractor Engine
Cat® C18
Note
Meets U.S. EPA Tier 4 Final or EU Stage V emission standards, or equivalent to U.S. EPA Tier 2, or equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
Gross Power (SAE J1995)
637 hp
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