621H Wheel Tractor-Scraper
- Flywheel Power: Tractor/Scraper
- 304 kW (407 hp)
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)
- Scraper Capacity: Heaped
- 24.0 yd3
621K Wheel Tractor-Scraper
- Flywheel Power: Tractor/Scraper
- 304 kW (407 hp)
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)
- Scraper Capacity: Heaped
- 24.0 yd3
623H Wheel Tractor-Scraper
- Flywheel Power: Tractor/Scraper
- 304 kW (407 hp)
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)
- Scraper Capacity: Heaped
- 23.0 yd3
627H Wheel Tractor-Scraper
- Flywheel Power: Tractor/Scraper
- 304 kW (407 hp)/216 kW (290 hp)
- Flywheel Power - Tractor/Scraper
- 304 kW (407 hp)/216 kW (290 hp)
- Scraper Capacity: Heaped
- 24.0 yd3
631G Wheel Tractor Scraper
- Flywheel Power: Tractor/Scraper
- 373 kW (500 hp)
- Flywheel Power - Tractor/Scraper
- 373 kW (500 hp)
- Scraper Capacity: Heaped
- 34.0 yd3
631K Wheel Tractor-Scraper
- Flywheel Power - Tractor/Scraper
- 570 HP
- Scraper Capacity: Heaped
- 34 yd3
- Scraper Capacity - Heaped
- 34 yd³
637G Wheel Tractor Scraper
- Flywheel Power: Tractor/Scraper
- 373 kW (500 hp) / 211 kW (283 hp)
- Flywheel Power - Tractor/Scraper
- 373 kW (500 hp) / 211 kW (283 hp)
- Scraper Capacity: Heaped
- 34.0 yd3
637G Wheel Tractor-Scraper
- Flywheel Power - Tractor/Scraper
- 373 kw (500 hp) / 211 kW (283 hp)
- Scraper Capacity - Heaped
- 50 yd³
- Top Speed (Loaded)
- 33.0 mph
637K Wheel Tractor – 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 mph
637K Wheel Tractor – 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 mph
637K Wheel Tractor-Scraper
- Flywheel Power - Tractor/Scraper
- 570 HP
- Scraper Capacity: Heaped
- 34 yd3
- Scraper Capacity - Heaped
- 34 yd³
657 Wheel Tractor-Scraper
- Tractor Engine
- Cat C18
- Flywheel Power - Tractor/Scraper
- 469kW (629 hp) / 353 kW (473 hp)
- Scraper Engine
- Cat C15
657G Wheel Tractor-Scraper
- Flywheel Power - Tractor/Scraper
- 447 kw (600 hp) / 337 kW (451 hp)
- Scraper Capacity - Heaped
- 73 yd³
- Top Speed (Loaded)
- 33.0 mph
657G Wheel Tractor-Scraper
- Flywheel Power: Tractor/Scraper
- 447 kW (600 hp) / 337 kW (451 hp)
- Flywheel Power - Tractor/Scraper
- 447 kW (600 hp) / 337 kW (451 hp)
- Scraper Capacity: Heaped
- 44.0 yd3