Wheel Tractor-Scrapers
Cat® wheel tractor-scrapers have the power, traction, and speed for reliable output in a variety of earthmoving applications. Scraper options include single-engine and tandem-engine open bowls, tandem engine push-pulls and elevator arrangements.
Coal Bowl Scrapers
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637K Wheel Tractor – Coal Bowl Scraper
- Flywheel Power - Tractor/Scraper
- 425 kW (570 hp)/216 kW (290 hp...
- Scraper Capacity - Heaped
- 50 yd³
- Top Speed - Loaded
- 34.7 mile/h
-
657 Wheel Tractor-Scraper
- Tractor Engine
- Cat C18
- Scraper Engine
- Cat C15
- Flywheel Power - Tractor/Scraper
- 469kW (629 hp) / 353 kW (473 h...
Elevating Scrapers
Open Bowl Scrapers
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621 Wheel Tractor-Scraper
- Scraper Capacity - Heaped
- 24.0 yd³
- Top Speed - Loaded
- 33.5 mile/h
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)
-
621 Wheel Tractor-Scraper
- Scraper Capacity - Heaped
- 24.0 yd³
- Top Speed - Loaded
- 33.5 mile/h
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)
-
627 Wheel Tractor-Scraper
- Scraper Capacity - Heaped
- 24.0 yd³
- Top Speed - Loaded
- 33.5 mile/h
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)/216 kW (290 hp...
-
631 Wheel Tractor-Scraper
- Top Speed - Loaded
- 34.7 mile/h
- Scraper Capacity - Heaped
- 34 yd³
- Flywheel Power - Tractor/Scraper
- 570 hp
-
637 Wheel Tractor-Scraper
- Scraper Capacity - Heaped
- 34 yd³
- Top Speed - Loaded
- 34.7 mile/h
- Flywheel Power - Tractor/Scraper
- 570 hp
-
651 Wheel Tractor-Scraper
- Tractor Engine
- Cat C18
- Flywheel Power - Tractor/Scraper
- 469kW (629 hp)
- Scraper Capacity - Heaped
- 44 yd³
Partial Scrapers
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621 Partial Wheel Tractor-Scraper
- Tractor Engine
- Cat® C13
- Flywheel Power - Tractor
- 407 hp
- Top Speed - Loaded
- 33.5 mile/h
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631 Partial Wheel Tractor-Scraper
- Tractor Engine
- Cat® C18
- Flywheel Power - Tractor
- 570 hp
- Top Speed - Loaded
- 34.7 mile/h
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651 Partial Wheel Tractor-Scraper
- Tractor Engine
- Cat® C18
- Gross Power (SAE J1995)
- 637 hp
- Top Speed - Loaded
- 34.9 mile/h
