潜孔钻机钻进孔深相对较浅，无液压提升装置，钻具起降完全用卷扬机。一般采用空压冲击器，以空气为介质冲洗岩粉。动力系统一般为电机。
液压钻机钻进孔深适应范围广，有液压提升装置，起下钻具用卷扬机。可采用液压冲击器及空压冲击器。可采用液体及空气等为介质冲洗岩粉。动力系统可采用柴油机或电机
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