| 摘要 |
A low SAPS lubricating oil composition exhibiting having up to 0.3 wt. % sulfur, up to 0.08 wt. % phosphorus, and a sulfated ash content up to 0.80 wt. % comprising a nitrogen-containing ashless dispersant, a boron source, the wt. % N to wt. % B ratio being 3:1 to 5:1.
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