What is the classification of diesel engine oil?

1 Answers
VanGia
07/29/25 7:26pm
Diesel engine oil grades are roughly divided into: CA, CB, CC, CD, CE, CF, CF4, CG4, CH4, CI4, CJ4. Here is more information about diesel engine oil grades: 1. Different models of diesel engine oil indicate different oil grades and corresponding applicable vehicle models. In other words, the further back the letters are arranged, the higher the oil quality grade. 2. The English letter C at the beginning represents diesel engine oil. The further back the letters are arranged, the higher the oil quality grade. Generally, CD-grade oil is sufficient for ordinary diesel engines. Turbocharged diesel engines require higher oil quality, such as CF4, where 4 indicates that the oil is suitable for four-stroke diesel engines.
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