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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

Top Speed - Loaded
33.5 mile/h/53.9 km/h
Number of Flights
15

Open Bowl Scrapers

621
Overall Width
11.8 ft/3.57 m
Overall Shipping Height
13.22 ft/4.03 m
657
Tractor Engine
Cat C18
Scraper Engine
Cat C15
Emissions
Cat® C18 engine meets U.S. EPA Tier 2/EU Stage II Equivalent emission standards.
Engine Model - Tractor
Cat® C18
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