Wheel Tractor-Scrapers

621K Wheel Tractor-Scraper

Flywheel Power: Tractor/Scraper
304 kW (407 hp)
Scraper Capacity: Heaped
24 yd3
Top Speed (Loaded)
34 mph

631K Wheel Tractor-Scraper

Scraper Capacity: Heaped
34 yd3
Top Speed (Loaded)
35 mph
Width – Overall Machine
155 in

637K Wheel Tractor – Coal Bowl Scraper

Top Speed (Loaded)
35 mph
Flywheel Power - Tractor/Scraper
425 kW (570 hp)/216 kW (290 hp)
Scraper Capacity - Heaped
50 yd³

637K Wheel Tractor-Scraper

Scraper Capacity: Heaped
34 yd3
Top Speed (Loaded)
35 mph
Width – Overall Machine
155 in

651 Wheel Tractor-Scraper

Tractor Engine
Cat C18
Flywheel Power - Tractor/Scraper
469kW (629 hp)
Net Power
469 kW/637 hp

657 Wheel Tractor-Scraper

Tractor Engine
Cat C18
Scraper Engine
Cat C15
Flywheel Power - Tractor/Scraper
469kW (629 hp) / 353 kW (473 hp)

657G Wheel Tractor-Scraper

Top Speed (Loaded)
33 mph
Wheelbase
36 ft
Flywheel Power - Tractor/Scraper
447 kw (600 hp) / 337 kW (451 hp)
×