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.
Equipment Type (4 items)
Models
Coal Bowl Scrapers
Cat® coal bowl scrapers use a high volume bowl designed to help the power generation industry move low density loose coal within the power generation facility.
657 Coal Bowl
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									Flywheel Power – Tractor/Scraper 469kW (629 hp) / 353 kW (473 hp) 
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									Tractor Engine Cat C18 
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									Scraper Capacity – Heaped 44 yd³ 
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									Scraper Engine Cat C15 
637
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									Flywheel Power – Tractor/Scraper 425 kW (570 hp)/216 kW (290 hp) 
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									Scraper Capacity – Heaped 50 yd³ 
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									Top Speed – Loaded 34.7 mile/h 
Elevating Scrapers
Cat® elevating scrapers are a self-loading hauling system with the added ability to mix and homogenize material. Elevator scrapers also excel at fine finish grading work.
Open Bowl Scrapers
Cat® open bowl wheel-tractor scrapers are a high production hauling solution with a broad material appetite. Open bowl scrapers are available as a self-loading, push-loaded or push-pull hauling system.
621
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									Flywheel Power – Tractor/Scraper 304 kW (407 hp) 
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									Scraper Capacity – Heaped 24 yd³ 
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									Top Speed – Loaded 33.5 mile/h 
621
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									Flywheel Power – Tractor/Scraper 304 kW (407 hp) 
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									Scraper Capacity – Heaped 24 yd³ 
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									Top Speed – Loaded 33.5 mile/h 
627
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									Flywheel Power – Tractor/Scraper 304 kW (407 hp)/216 kW (290 hp) 
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									Scraper Capacity – Heaped 24 yd³ 
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									Top Speed – Loaded 33.5 mile/h 
631
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									Flywheel Power – Tractor/Scraper 570 hp 
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									Scraper Capacity – Heaped 34 yd³ 
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									Top Speed – Loaded 34.7 mile/h 
651
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									Flywheel Power – Tractor/Scraper 469kW (629 hp) 
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									Tractor Engine Cat C18 
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									Scraper Capacity – Heaped 44 yd³ 
657
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									Flywheel Power – Tractor/Scraper 469kW (629 hp) / 353 kW (473 hp) 
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									Tractor Engine Cat C18 
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									Scraper Capacity – Heaped 44 yd³ 
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									Scraper Engine Cat C15 
Partial Scrapers
621 Partial Scraper
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									Tractor Engine Cat® C13 
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									Flywheel Power – Tractor 407 hp 
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									Top Speed – Loaded 33.5 mile/h 
631 Partial Scraper
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									Tractor Engine Cat® C18 
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									Flywheel Power – Tractor 570 hp 
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									Top Speed – Loaded 34.7 mile/h 
651 Partial Scraper
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									Tractor Engine Cat® C18 
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									Gross Power (SAE J1995) 637 hp 
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									Top Speed – Loaded 34.9 mile/h