Diesel engine grade selection

According to the requirements of the GB 252-2000 standard, the following principles should be followed when selecting light diesel grades:
1. No. 10 light diesel oil is suitable for diesel engines with preheating equipment;
2. No. 5 light diesel oil is suitable for use in areas with a risk rate of 10% and a minimum temperature above 8°C;
3. No. 0 light diesel oil is suitable for use in areas where the risk rate is 10% and the minimum temperature is above 4°C;
4. - No. 10 light diesel oil is suitable for use in areas with a risk rate of 10% and a minimum temperature above -5°C;
5. - No. 20 light diesel oil is suitable for use in areas with a risk rate of 10% and a minimum temperature above -14°C;
6. - No. 35 light diesel oil is suitable for use in areas with a risk rate of 10% and a minimum temperature above -29°C;
7. -No. 50 light diesel oil is suitable for use in areas with a risk rate of 10% and a minimum temperature above -44°C;