FIELD: chemistry.
SUBSTANCE: in order to reduce clogging of a diesel filter with solid particles, the lubricating oil composition contains one or more magnesium-containing detergent additives selected from magnesium-salicylate detergent additives, magnesium-phenol detergent additives and magnesium-sulphonate detergent additives. The composition preferably contains sulphated ash in amount of not more than 1.0 wt % and phosphorus in amount ranging from 0.04 to 0.1 wt % relative to the total weight of the composition of the lubricating oil. The magnesium-containing additives have total base number (TBN) measured in accordance with ISO 3771 ranging from 30 to 600 mg KOH/g.
EFFECT: reduced clogging of a diesel engine with solid particles.
14 cl, 2 tbl, 4 ex
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