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Technical specification of KR300D rotary drilling rig |
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Torque |
320 kN.m |
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Max. diameter |
2000mm |
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Max. drilling depth |
83/54 |
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| Speed of rotation | 7~23 rpm | ||
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Max. crowd pressure |
220 kN |
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Max. crowd pull |
220 kN |
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Main winch line pull |
320 kN |
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Main winch line speed |
73 m/min |
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Auxiliary winch line pull |
110 kN |
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Auxiliary winch line speed |
70 m/min | ||
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Stroke(crowd system) |
6000 mm |
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Mast inclination(lateral) |
±5° |
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Mast inclination(forward) |
5° |
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Max. operating pressure |
34.3MPa |
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Pilot pressure |
4 MPa |
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Travel speed |
3.2 km/h | ||
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Traction force |
560 kN |
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Operating height |
22903 mm |
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Operating width |
4300 mm |
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Transport height |
3660 mm |
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Transport width |
3000 mm |
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Transport length |
16525 mm | ||
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Overall weight |
90t |
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Engine |
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Model |
Cummins QSM11(III) -C375 |
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Cylinder number*diameter*stroke(mm) |
6*125*147 |
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Displacement(L) |
10.8 |
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Rated power(kW/rpm) |
299/1800 |
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Output standard |
European III |
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Kelly bar |
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Type |
Interlocking |
Friction |
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Section*length |
4*15000(standard) |
6*15000(optional) |
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Depth |
54m |
83m |
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