Wheel Tractor-Scrapers

LOAD AND DUMP ON THE RUN WITH CAT® WHEEL TRACTOR-SCRAPERS

Get fast loading, high travel speeds, and the ability to load and dump on the run for faster cycle times with Caterpillar® Wheel Tractor-Scrapers. These machines are guaranteed to deliver high productivity even in the most difficult of terrain. We offer a wide variety of scrapers, each with their own unique specs and advantage. Available models include: Coal Bowl Scrapers, Elevating Scrapers, and Open Bowl Scrapers.

Coal Bowl Scrapers

657G

657G Coal
  • Flywheel Power - Tractor/Scraper
    447 kw (600 hp) / 337 kW (451 hp)
  • Scraper Capacity - Heaped
    73 yd³
  • Top Speed - Loaded
    33 mile/h
View model

637K (TIER 4 FINAL/STAGE IV)

637K 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
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Open Bowl Scrapers

657G

657G
  • Flywheel Power - Tractor/Scraper
    447 kW (600 hp) / 337 kW (451 hp)
  • Scraper Capacity - Heaped
    44 yd³
  • Top Speed - Loaded
    33 mile/h
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631K (Tier 2/Stage II)

631K Open Bowl Scraper
  • Scraper Capacity - Heaped
    34 yd³
  • Top Speed - Loaded
    34.7 mile/h
  • Front of Tractor to Front Axle
    142.2 in
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631K (Tier 4 Final/Stage IV)

631K Open Bowl Scraper
  • Scraper Capacity - Heaped
    34 yd³
  • Top Speed - Loaded
    34.7 mile/h
  • Front of Tractor to Front Axle
    142.2 in
View model

637K (Tier 2/Stage II)

637K Open Bowl Scraper
  • Scraper Capacity - Heaped
    34 yd³
  • Top Speed - Loaded
    34.7 mile/h
  • Front of Tractor to Front Axle
    142.2 in
View model

637K (Tier 4 Final/Stage IV)

637K Open Bowl Scraper
  • Scraper Capacity - Heaped
    34 yd³
  • Top Speed - Loaded
    34.7 mile/h
  • Front of Tractor to Front Axle
    142.2 in
View model

621K

621K
  • Flywheel Power - Tractor/Scraper
    304 kW (407 hp)
  • Scraper Capacity - Heaped
    24 yd³
  • Top Speed - Loaded
    33.5 mile/h
View model