Most drill rigs are of the rotary rig type. Today's rotary drill rig consists of multiple engines (gas, diesel) that supply power, hoisting equipment that raises and lowers the drill string (drill pipe), and rotating equipment that turns the drill string and the drill bit at the bottom of the hole.XDH 110 is one of the DTH series and the power is electric motor or disease engines，it is also used for drilling the rock hole and the depth can be up to 60meters 196ft