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.
Units:
| Model | Flywheel Power - Tractor/Scraper | Emissions | Transmission Gear - First |
|---|---|---|---|
| 637 Coal Bowl | 425 kW (570 hp)/216 kW (290 hp) | Cat® C9.3 and Cat® C18 engines meet U.S. EPA Tier 4 Final/EU Stage IV engine emission standards. | —3.4 mile/h5.5 km/h |
| 657 Coal Bowl | — | — | — |
| Model | Flywheel Power - Tractor/Scraper | Scraper Capacity - Heaped | Top Speed - Loaded |
|---|---|---|---|
| 623 | 304 kW (407 hp) | —23 yd³17.6 m³ | —33.5 mile/h53.9 km/h |
| Model | Flywheel Power - Tractor/Scraper | Scraper Capacity - Heaped | Top Speed - Loaded |
|---|---|---|---|
| 621 | 304 kW (407 hp) | —24 yd³18.4 m³ | —33.5 mile/h53.9 km/h |
| 627 | 304 kW (407 hp)/216 kW (290 hp) | —24 yd³18.4 m³ | —33.5 mile/h53.9 km/h |
| 631 | — | —34 yd³26 m³ | —34.7 mile/h55.8 km/h |
| 637 | — | —34 yd³26 m³ | —34.7 mile/h55.8 km/h |
| 651 | 469kW (629 hp) | —44 yd³33.6 m³ | —34.9 mile/h56.1 km/h |
| 657 | 469kW (637 hp) / 353 kW (479 hp) | —44 yd³33.6 m³ | —33 mile/h56.1 km/h |
| Model | Tractor Engine | Flywheel Power - Tractor | Top Speed - Loaded |
|---|---|---|---|
| 621 Partial Scraper | Cat® C13 | —407 hp304 kW | —33.5 mile/h53.9 km/h |
| 631 Partial Scraper | Cat® C18 | —570 hp425 kW | —34.7 mile/h55.8 km/h |
| 651 Partial Scraper | Cat® C18 | — | —34.9 mile/h56.1 km/h |