1. Basic Information
Model: KS777
Type: Integrated Full-hydraulic Top Hammer Drill Rig (With built-in air compressor)
Application: Open-pit mine blastholes, quarries, hard rock foundation works and tunnel pipe canopy
Total Machine Weight: 13.5 t (13500 kg)
Transport Dimensions (L × W × H): 11491 × 2541 × 3190 mm
Applicable Rock Hardness: F=6–20 (Medium-hard to extremely hard rock)
2. Drilling Capacity
Recommended Drilling Diameter: φ76–127 mm
Applicable Drill Steel: T45 / T51 top hammer drill steel
Economic Drilling Depth: 24 m
Max Drilling Depth: 28 m
3. Rock Drill (Top Hammer Power Head)
Impact Power: 20.6 kW (25 HP)
Impact Frequency: 2500 bpm
Rotation Torque: 1200 Nm
Rotation Speed: 0–120 r/min (Stepless speed regulation)
4. Power System (Engine)
Brand / Model: Yuchai YC6L Series (China Stage III)
Rated Power: 194 kW (263 HP)
Rated Speed: 2200 rpm
Fuel Tank Capacity: 400 L
5. Built-in Air Compressor
Type: Two-stage screw type (Baosi airend)
Free Air Delivery: 10.5 m³/min
Working Pressure: 10.5 bar (1.05 MPa)
6. Feed System
Feed Stroke: 4160 mm
Feed Force: 16 kN (1.6 t)
Pullback Force: 21 kN (2.1 t)
Feed Speed: 0.6 m/s
7. Chassis & Travel
Travel Speed: 3.6 km/h (High speed); 1.8 km/h (Low speed)
Gradeability: 30°
Ground Clearance: 420 mm
Track Leveling Angle: ±10° (Left & right tilting)
Track Shoe Width: 330 mm
8. Dust Removal & Control System
Dust Collection System: Dry pulse dust collector with 15 filter cartridges
Dust Fan Speed: 3300 rpm
Operation: Integrated hydraulic control, intelligent display screen, cab equipped with air conditioner
9. Core Features
High-efficiency rock breaking with top hammer: 25 HP top hammer power, drilling speed over 40% faster than DTH rigs in hard rock
Integrated structure with built-in air compressor, no external air supply required for flexible relocation
Suitable for medium and deep hole drilling, covering hole diameters from φ76 to 127 mm with an economic depth of 24 m
Reliable performance adopting world-renowned hydraulic components: Italy Kespa and USA Eaton
Safe and comfortable operating environment with roll-over & falling-object protected cab, standard air conditioning and heating system