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Wheel Tractor-Scrapers

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621 Partial Wheel Tractor-Scraper
Tractor Engine
Cat® C13
Flywheel Power
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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621 Wheel Tractor-Scraper
Overall Shipping Height
13.22 ft
Overall Width
11.75 ft
Scraper Capacity
24 yd³
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621K Wheel Tractor-Scraper
Flywheel Power
304 kW (407 hp)
Scraper Capacity
24.0 yd3
Top Speed
33.5 mph
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631 Partial Wheel Tractor-Scraper
Tractor Engine
Cat® C18
Flywheel Power
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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631K Wheel Tractor-Scraper
Scraper Capacity
34 yd3
Top Speed
34.7 mph
Width
155 in
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637K Wheel Tractor – Coal Bowl Scraper
Flywheel Power
425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity
50 yd³
Top Speed
34.7 mile/h
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637K Wheel Tractor-Scraper
Scraper Capacity
34 yd3
Top Speed
34.7 mph
Width
155 in
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651 Partial Wheel Tractor-Scraper
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
637 HP
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651 Wheel Tractor-Scraper
Tractor Engine
Cat C18
Flywheel Power
469kW (629 hp)
Net Power
469 kW/637 hp
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657 Wheel Tractor-Scraper
Tractor Engine
Cat C18
Scraper Engine
Cat C15
Flywheel Power
469kW (629 hp) / 353 kW (473 hp)
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657 Wheel Tractor-Scraper
Tractor Engine
Cat C18
Scraper Engine
Cat C15
Flywheel Power
469kW (629 hp) / 353 kW (473 hp)
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657G Wheel Tractor-Scraper
Top Speed
33.0 mph
Wheelbase
36.08 ft
Flywheel Power
447 kw (600 hp) / 337 kW (451 hp)
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