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Products > Equipment > Wheel Tractor-Scrapers

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.

Elevating Scrapers

623K
623K
Top Speed - Loaded
33.5 mile/h/53.9 km/h
Number of Flights
15
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Open Bowl Scrapers

621
621
Overall Shipping Height
13.2 ft/4.03 m
Fuel Tank Refill Capacity - Scraper
201.0 gal (US)/763.0 l
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621
621
Maximum Depth of Spread
21.3 in/540.0 mm
Scraper Capacity - Heaped
24.0 yd³/18.4 m³
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621
621
Overall Width
11.8 ft/3.57 m
Overall Shipping Height
13.22 ft/4.03 m
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631 - Tier 2
631 - Tier 2
Scraper Capacity - Heaped
34 yd³/26 m³
Overall Width
12.93 ft/3.94 m
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637
637
Top Speed - Loaded
34.7 mile/h/55.8 km/h
180° Curb-to-Curb Turning Width
40.12 ft/12.23 m
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657
657
Tractor Engine
Cat C18
Scraper Engine
Cat C15
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631 - Tier 2
631 - Tier 2
Emissions
Cat® C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Tractor
Cat® C18
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637
637
Emissions
Cat® C9.3 and C18 engines meet U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Tractor
Cat® C18
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