| 摘要 |
A lubricating oil composition comprising a major amount of an oil of lubricating viscosity, an alkaline earth metal borated sulfonate detergent, and, optionally, a molybdenum-containing compound, wherein the lubricating oil composition comprises no more than 0.12 wt % phosphorus and the amount of sulfated ash in the lubricating oil is not more than 1.25 wt %.
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