| abstract |
It contains a base oil or base oil blend, has a sulfur content of 0.01 to 0.3% by weight, a phosphorus content of 0.01 to 0.1% by weight, and a sulfated ash content of 0.00. 1 to 1.2% by weight (the above content is based on the total weight of the lubricating oil composition), the kinematic viscosity at 100 ° C. exceeds 5.0 mm 2 / s (cSt), according to ASTM D5293 A lubricating oil composition having a cold cranking simulator kinetic viscosity at −15 ° C. of less than 9500 mPas (cP) and a small rotational viscosity test value at −20 ° C. by ASTM D 4684 of less than 60000 mPas, An oil or base oil blend comprising said lubricating oil composition comprising a continuous series isoparaffin having n, n + 1, n + 2, n + 3 and n + 4 carbon atoms, where n is 15 to 35; Use the composition to lower the deposit. [Selection figure] None |