1, due to factors such as natural wear parts, diesel engine decreased gradually in the long run power and economy, so the power in the North Benz matching diesel engine should be appropriate to leave adequate leeway, so as to give full play to its effectiveness. Plateau area should be considered because of the high elevation, low air pressure and power loss caused by the problem of
2, to consider the diesel "seriation, standardization," level. "Engine three" high degree of replacement of common parts and repair are convenient, adequate supply of spare parts, so as far as possible to choose products.
3, the use life of the diesel engine and the working reliability. The use and maintenance conditions of poor rural, should choose to long-term reliable operation of diesel engine, and can not be divorced from reality, only the pursuit of advanced index.
4, the use of diesel engine. For frequent starting and mobile machinery, tractors, agricultural vehicles, mobile power station, can choose light and high speed diesel engine; for the fixed power device, such as agricultural irrigation and drainage, agricultural and sideline products processing machinery and auxiliary power, can choose the engine speed is low and the potential. At the same time, the agricultural power, most of the time continuous operation for a long time, so the good economy is very important
