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

637G Wheel Tractor-Scraper

Top Speed (Loaded)
33 mph
Wheelbase
31 ft
Flywheel Power - Tractor/Scraper
373 kw (500 hp) / 211 kW (283 hp)

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

657G Wheel Tractor-Scraper

Flywheel Power: Tractor/Scraper
447 kW (600 hp) / 337 kW (451 hp)
Scraper Capacity: Heaped
44 yd3
Top Speed (Loaded)
33 mph

657G Wheel Tractor-Scraper

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