637K coal bowls are longer and higher than standard wheel tractor scraper bowls, allowing them to haul 38 m (50 yd) of low density loose coal. The bowls are designed and built to specifically deliver in coming loose coal to the stock pile and reserve stock piled coal to the feeder system.
|Scraper Capacity: Heaped||50 yd³|
|Top Speed (Loaded)||34.7 mph (55.8 km/h)|
|Flywheel Power - Tractor/Scraper||425 kW (570 hp)/216 kW (290 hp)|