This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transport and storage of medium duty gear oils for vehicles.
This standard is applicable to the lubrications of manual transmission box operated at low-speed & high-torque and high-speed & low-torque, spiral bevel gear, especially hypoid gear for all kinds of vehicles, as well as the gear oils used for rear axle main reducer, whose application quality level (GL-4) is specified.
2 Normative References
The following documents contain provisions which, through reference in this text, constitute provisions of this standard. For the dated references, the subsequent amendments to (excluding amending error in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents is applicable. For the undated references, the latest edition of the normative document is applicable to this standard.
GB/T 260 Determination of Water Content in Petroleum Products
GB/T 265 Petroleum Products-Determination of Kinematic Viscosity and Calculation of Dynamic Viscosity
GB/T 267 Petroleum Products-Determination of Flash and Fire Points-Open Cup (GB/T 267-1988, neq TOCT 4333:1948)
GB/T 387 Dark Petroleum Products-Determination of Sulphur Content-Tubular Oven Method (GB/T 387-1990, neq TOCT 1437:1984)
GB/T 511 Petroleum Products and Additives-Method for Determination of Mechanical Admixtures (GB/T 511-1988, neq TOCT 6510:1959)
GB/T 2541 Petroleum Products; Computation Table for Viscosity Indices
GB/T 3535 Petroleum Products-Determination of Pour Point (GB/T 3535-2006, ISO 3016:1994, MOD)
GB/T4756 Petroleum Liquids-Manual Sampling (GB/T 4756-1998, eqv ISO 3170:1988)
GB/T 5096 Petroleum Products; Corrosiveness to Copper; Copper Strip Test (GB/T 5096-1985, eqv ASTM D 130:1983)
GB/T 11143 Standard Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water (GB/T 11143-2008, ASTM D 655-03, MOD)
GB/T 11145 Automotive Fluid Lubricants; Determination of Low-temperature Viscosity; Brookfield Viscometer Method (GB/T 11145-1989, eqv ASTM D 2983:1980)
