Portable digging machine it is one of the most convenient trenching tools, and their use is NRK start the engine runs. Digging machine uses a power source of the engine type, therefore, necessary to refuel, the general is to ride a motorcycle engine if a class is used in gasoline as a power source, while the tractor is used as the oil sources of power, the power of oil is far larger than those of gasoline powered. Using the engine as a digging machine machine uses gasoline or oil as an energy source it? To consider the power steering, a digging machine digging equipment, it requires a huge power drill to drill the soil, so the need to use oil as a power source. And this is not absolute, but also manufacturers of trenching machine using oil as a source of energy, each good for it. Wu Jingli: 15837116733 Tel: 0391-3705003