The selection of engine oil includes two aspects: viscosity level and quality level. The choice of viscosity level: gasoline engine oil and diesel engine oil are basical
Selection of quality grades: Currently, there are eight quality grades of gasoline engine oil in the Chinese market, including SC, SD, SE, SF, SG, SH, SJ, and SL. In orde
The higher the thermal load, heavier the load, and higher the operating temperature of a diesel engine, the more intense the working intensity and the higher the requirem