B21, China Town Mall, Midrand
For Miner Explor Excavator Pile Driving Equipmeny Lab Civil Engineering Construction Equipments
| KELLY DRILLING | Drilling Torque max. | 320kN.m |
| Diameter max. | 2500mm | |
| Depth max. | 88m | |
| KELLY BAR | Friction kelly bars | ¢508-5×17.5m |
| ¢470-5×19m | ||
| Mechanical inter-locking kelly bars | ¢508-4×17.5m | |
| ¢470-4×19m | ||
| ROTARY HEAD | Max spin off speed(options) | 65-72rpm |
| Max drilling speed | 6-24rpm | |
| MAST | Mast raking forward | 5° |
| Mast side forward | ±5° | |
| Mast raking backforward | 15° | |
| UNDERCARRIAGE | Crawlers Length | 6881mm |
| Crawlers Width | 3200-4700mm | |
| DIESEL ENGINE | Model | CUMMINS QSM11 |
| Rated power | 298kw | |
| HYDRAULIC PUMPS | Main pumps | 35Mpa |
| Auxiliary pumps | 4Mpa | |
| MAIN WINCH | 1st Layer nominal line pull | 300kn |
| 1st Layer nominal rope speed | 64m/min | |
| Rope diameter | 36mm | |
| SERVICE WINCH | 1st Layer nominal line pull | 103kN |
| 1st Layer nominal rope speed | 69m/min | |
| Rope diameter | 20mm | |
| CYLINDER CROWD | Crowd force(pull down/pull up) | 320/320 kN |
| Pull down stroke | 5330 mm | |
| DIMENSION & WEIGHT | Transport width | 3000mm |
| Transport height | 3500mm | |
| Transport length | 16900 mm | |
| Weight(with standard kelly bars) | 98 ton | |
| Min working radius | 4814mm |
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