1. Drilling Capacity

Drilling Diameter: 149–270 mm (5-27/32"～10-5/8"

Standard Max Drilling Depth: 53.3 m (175 ft) (with 9.1 m drill rods)

Optional Max Drilling Depth: 62.5 m (205 ft) (with 10.7 m drill rods)

Single Rod Length: 8.4 m (27.5 ft)

Drill Rod Specification: φ139.7 mm (5½"), length 8.4 / 9.1 / 10.7 m

2. Weight on Bit & Pull Force (Core Performance)

Weight on Bit: 272 kN (60,000 lbf)

Pulldown Force: 0–272 kN

Pullback Force: 0–98 kN (22,000 lbf)

Rotary Torque: Approx. 22 kN·m

Angled Drilling: Optional, maximum angle 30°

3. Power & Air Compressor

Engine: Cummins QSK19 / CAT C18 Diesel Engine

Power Rating: 563 kW / 755 hp @ 2100 rpm

Air Compressor: High pressure & large flow type, standard with EARS electronic air volume regulation

Working Air Pressure: 2.4–3.0 MPa

Air Delivery Capacity: ≥34 m³/min

4. Dimensions & Weight

Operating Weight: 39.5–50 t

Transport Weight: Approx. 38 t

Overall Dimension (Mast Raised, L × W × H): 9.5 × 5.2 × 14.9 m

Dimension (Mast Lowered, L × H): 14.9 × 4.4 m

Track Shoe Width: 762 mm (30")

Gradeability: 25°

5. Structure & Control System

Mast: Double-section high-rigidity structure with excellent torsion and bending resistance

Chassis: Heavy-duty crawler with hydraulic drive

Cab: FOPS certified, sound insulation, air conditioner and electric control handles equipped

Automation System: Optional AutoDrill, GPS hole positioning and remote control

Hydraulic System: Closed circuit with load sensing, energy-saving and high efficiency

6. Application Conditions

Applicable Sites: Medium-diameter blastholes for open-pit coal mines, metal mines, limestone mines and other sites

Rock Hardness: Medium-hard to hard rock (f=6–14)

Typical Drilling Parameters: Hole diameter 170–220 mm, hole depth 40–50 m, balancing working efficiency and operation cost