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: 


Coal Bowl Scrapers

Model Flywheel Power: Tractor/Scraper Scraper Capacity: Heaped Top Speed (Loaded)
637G 373 kw (500 hp) / 211 kW (283 hp) 50 yd3 33 mph
637K (TIER 2/STAGE II) 425 kW (570 hp)/216 kW (290 hp) 50 yd3 34.7 mph
637K (TIER 4 FINAL/STAGE IV) 425 kW (570 hp)/216 kW (290 hp) 50 yd3 34.7 mph
657G 447 kw (600 hp) / 337 kW (451 hp) 73 yd3 33 mph
Units: 


Elevating Scrapers

Model Flywheel Power: Tractor/Scraper Scraper Capacity: Heaped Top Speed (Loaded)
623H 304 kW (407 hp) 23 yd3 33.5 mph
623K 304 kW (407 hp) 23 yd3 33.5 mph
Units: 


Open Bowl Scrapers

Model Flywheel Power: Tractor/Scraper Scraper Capacity: Heaped Top Speed (Loaded)
621H 304 kW (407 hp) 24 yd3 33.5 mph
621K 304 kW (407 hp) 24 yd3 33.5 mph
627H 304 kW (407 hp)/216 kW (290 hp) 24 yd3 33.5 mph
627K 304 kW (407 hp)/216 kW (290 hp) 24 yd3 33.5 mph
631G 373 kW (500 hp) 34 yd3 33 mph
631K (Tier 2/Stage II) 570 hp 34 yd3 34.7 mph
631K (Tier 4 Final/Stage IV) 570 hp 34 yd3 34.7 mph
637G 373 kW (500 hp) / 211 kW (283 hp) 34 yd3 33 mph
637K (Tier 2/Stage II) 570 hp 34 yd3 34.7 mph
637K (Tier 4 Final/Stage IV) 570 hp 34 yd3 34.7 mph
657G 447 kW (600 hp) / 337 kW (451 hp) 44 yd3 33 mph