12V175 diesel engine has the characteristics of high supercharging, low energy consumption, high reliability and long life，through the use of electronic control, high pressure common rail, Miller cycle, exhaust after treatment, high efficiency supercharger and other new technologies，Its dynamic performance, economy, reliability and emission index have reached the international advanced level:The average effective pressure of diesel engine reaches 2.0mpa, the first overhaul period reaches 35,000 hours, and the bare engine emission meets GB20891 II.12V175 diesel-oil generator set is a kind of high-performance power set developed for the working condition of electric drilling machine.According to the characteristics of oilfield working conditions, the engine has been designed in terms of starting performance, sudden reduction capacity and continuous working capacity. In order to realize unattended operation, the engine has installed a remote monitoring system, which realizes the real-time recording of the engine’s field data and remote monitoring on the Internet.