WK-12 Forward Excavator: Gear-rack crowding, powerful penetration, high efficiency. Air release spring disk brakes are applied WK-12C excavator is suitable for 10 million MT mining use, to match with 80-154MT dumper or 100MT dumping train.Technical characteristic:·Gear-rack crowding, powerful penetration, high efficiency·The propel mechanism adopts independent drive of planetary reducer;·Gear ...