Lubricating oil composition

The invention relates to a lubricating oil composition. The lubricating oil composition comprises the following components or is obtained by mixing the following components: a) 50 to 99 mass percent of base oil; b) from 0.1 to 15% by mass of a functionalized olefin copolymer having an Mn of from 10,000 to 35,000 g/mol; c) 0.1 to 20 mass% of a detergent, wherein the detergent comprises a calcium detergent having a TBN of greater than 100 mg KOH/g; a calcium detergent having a TBN of 100 mg KOH/g or less; and a magnesium detergent, wherein the Ca detergent has a TBN difference of at least 100 mg KOH/g; d) 0.01 to 40 mass% of a dispersant, wherein the dispersant comprises a boronized dispersant and a non-boronized dispersant; e) 0.01 to 20 mass% of a sulfurized fatty acid ester; f) 0.01 to 5 mass% of an amine or phenolic antioxidant; and g) 0.001 to 15 mass% of a molybdenum-containing compound. 本发明涉及润滑油组合物，其包含以下组分或由以下组分混合而得：a)50至99质量％的基础油；b)0.1至15质量％的具有10,000至35,000g/mol的Mn的官能化烯烃共聚物；c)0.1至20质量％的清净剂，其中所述清净剂包含具有大于