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| Main technical specifications | HFGA-44+ |
| Engine | 194kw@2,000rpm |
| DTH hammer | 3.5"/4" |
| Drilling hole diameter | φ90-138mm |
| Storage bit quantity | 6+1 |
| Drill pipe specifications | φ68/76mmx3,500mm |
| Maximum operating torque | 2,800N.m |
| F.A.D exhaust air | 16m3/min |
| Maximum working pressure | 20 bar |
| Max. lifting force | 31kN |
| Max. walking speed | 3km/h |
| Climbing ability | 25º |
| The crawler frame swings | ±10º |
| Weight | 13,500kg |

