abstract |
A gas-fuelled engine lubricating oil composition having a TBN in the range of 2 ton20 and comprising:n (A) oil of lubricating viscosity; (B) a salicylate detergent having a TBN of 95 or less; (C) a detergent having a TBN of greater than 250; (D) an ashless dispersant; and (E) an anti-wear additive. |