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| Pneumatic Rock Drill With Air Leg | |||||
| Tawhā Hangarau | YT28 | YT27 | YT29A | YT24C | TY24 |
| Taumaha(kg) | 26 | 27 | 26.5 | 24 | 24 |
| Roa(mm) | 661 | 668 | 659 | 628 | 678 |
| Pēhanga hau(Mpa) | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 | 0.4-0.63 |
| Reanga Paanga(Hz) | ≧37 | ≧39 | ≧39 | ≧37 | ≧31 |
| Kohi hau(L"'/S) | ≦81 | ≦86 | ≦88 | ≦80 | ≦67 |
| Pūngao Pānga（J） | ≧70J | ≧75J | ≧78J | ≧65J | ≧65J |
| Porotakaro*Poko(mm) | 80*60 | 80*60 | 82*60 | 76*60 | 70*70 |
| Diamita Paipa Rere(mm) | 25 | 19 | 25 | 25 | 19 |
| Ahu Toka(mm) | 22*108 | 22*108 | 22*108 | 22*108 | 22*108 |
| Hohonutanga Keri(m) | 5 | 5 | 5 | 5 | 5 |
| Moka Diare(mm) | 34-42 | 34-45 | 34-45 | 34-42 | 34-42 |
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