1, High drilling efficiency, five shifting speed, the highest revolving speed 1045r/min
2, Taper clutch adopting national patent technology, features in large transimission torque, easy operation, andmaintenance free,
3, equipped with one-piece mud pump whose throughput up to 160L/min at the earliest, which features cost-saving, compact structure and portable movement.
4, the location offour groups' bearing in the vertical shaft box ensure enough hardness against gravel layer, pebble layer and other complex geological condition.
