| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricating oil composition for gear oil excellent in low temperature fluidity, capable of fuel saving, having wear resistance and oxidation stability and further having an excellent fatigue life even if the reduction in the viscosity of lubricating oil is not performed.SOLUTION: Provided is a lubricating oil composition for gear oil containing: lubricating base oil whose kinematic viscosity at 40°C is 140 to 350 mm/s; a copolymer of α-olefin and an ester monomer having a polymerizable unsaturated bond; a performance additive including phosphorus and sulfur; and a poly(meth)acrylatic fluidization point depressant.SELECTED DRAWING: None |
