Only Caterpillar offers Wheel Tractor-Scrapers designed exclusively for your coal stockpiling and retrieval needs. The Caterpillar® 657 Coal Bowl Scrapers can construct and maintain your coal stockpiles, as well as haul loads to your inlet supply system to meet the burn requirements of the plant. The Cat 657 Coal Scraper consistently delivers high productivity at the lowest cost per ton.
| Flywheel Power - Tractor/Scraper | 447 kw (600 hp) / 337 kW (451 hp) |
|---|---|
| Flywheel Power - Tractor | 421 / 447 kW (564 / 600 hp) |
| Flywheel Power - Scraper | 306 / 337 kW (410 / 451 hp) |
| Tractor Engine | Cat® C18 with ACERT Technology |
| Scraper Engine | Cat® C15 with ACERT Technology |
| Scraper Capacity - Heaped | 73 yd³ |
|---|---|
| Top Speed - Loaded | 33 mile/h |
| Rated Load | 110000 lb |
| Scraper Capacity - Struck | 59 yd³ |
| 180° Curb-to-Curb Turning Width | 51.25 ft |
| Operating Weight - Loaded - Approximate | 268817 lb |
|---|---|
| Operating Weight - Empty - Approximate | 158817 lb |
| Height - Top of Scraper | 15.16 ft |
|---|---|
| Wheel Base | 36.08 ft |
| Length - Overall | 56.4 ft |
| Width - Overall | 14.32 ft |
| Tread - Scraper | 9.24 ft |
| Tread - Tractor | 8.64 ft |
