... weight: 10t HT82 Hydraulic Drilling jumbo is composed of carrier, drilling boom, feed, drilling tools, power system, electrical ... water pump system and hydraulic system. HT82 Hydraulic drilling jumboItemUnitSpecificationOutside dimension (LxWxH)mm11000x1450x2080 (2780)Hole depthmm3090, ... perfect protection device: auto stopping after finishing drilling; anti-jamming mechanism, low oil level indicator ...