Gear oil "API GL-5"; what does "SAE 85W-140" mean?
XXW/XX and general gear oil. They are 100 degrees according to the kinematic viscosity of division. The market is mainly used in SAE75W/90, SAE85W/90, 85W/140, this type of oil is generic summer
Automobile gear oil 5stages (GL-1 ~ GL-5) the highest level of performance.API.GL-5 (American Petroleum Institute)Viscosity classification, divided into 70W, 75W, 80W, 85W, 90, 140, 250, seven viscosity level. "W" on behalf of winter use. No "W" word for non winter oil
It can be divided into two categories: automobile gear oil and industrial gear oil. The former is used to lubricate various kinds of automotive manual transmission and gear transmission shafts. The latter is used to lubricate the gear of various industries such as metallurgy, coal, cement and chemical industry
