12V175 diesel engine with high pressure, low energy consumption, high reliability, long life characteristics, Through the use of electronic control, high pressure common rail, Miller cycle, exhaust post-treatment, high efficiency supercharger and other new technologies,the engine power performance, economy, reliability, emission index and other aspects reach the international advanced level: the average effective pressure of diesel engine reaches 2.0MPa, the first overhaul period reaches 35,000 hours, the bare-machine emissions meet GB20891 II.