
Blasting Hole Hydraulic DTH Drill Rig. Advanced Planetary Gearbox: More compact, efficient, and stable with lower failure rate and maintenance cost. Dual Rotation Motors: Provides bigger torque and adjustable speeds for various working conditions. Maintenance-Free Feed Mechanism: Hydraulic and mechanical double lock ensures stable torque and prevents leakage. Versatile Drilling Arm: Multi-angle design covers 20% more area with horizontal and angled drilling. Robust Undercarriage: Strong climbing ability with 15-degree float and track guards for rugged sites. Efficient Power System: Supercharged engine with two-stage air filter and oil-water integrated radiator. User-Friendly Control Panel: 3-speed variable console with independent travelling and centralized operation. Durable Wear-Resistant Parts: Imported rotary seals and manganese steel guide rails ensure long service life.