GB 11121-2025 Gasoline engine oils English
WARNING: If proper preventive measures are not observed, the products covered by this document are potentially in danger during production, storage, transportation and use. This document is not intended to suggest all safety issues related to this product. Before using this document, users are responsible for establishing appropriate safety and preventive measures and determining the applicability of relevant regulations and restrictions.
1 Scope
This document specifies the product varieties, marking, technical requirements, test methods, inspection rules, identification, packaging, transportation, storage, delivery and acceptance of gasoline engine oils prepared with base oil supplemented with multiple additives.
This document is applicable to the gasoline engine oils used in spark ignition four-stroke gasoline engine.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 260 Test method for water in petroleum products - Distillation method
GB/T 265 Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 387 Dark petroleum products-Determination of sulphur content - Tubular oven method
GB/T 511 Petroleum petroleum products and additives - Method for determination of mechanical admixtures
GB/T 1995 Petroleum products - Calculation of viscosity index
GB/T 2433 Petroleum products - Lubricating oils and additives - Determination of sulphated ash
GB/T 2541 Petroleum products; Computation table for viscosity indices
GB/T 3535 Petroleum products - Determination of pour point
GB/T 3536 Petroleum products - Determination of flash and fire points - Cleveland open cup method
GB/T 4756 Method for manual sampling of petroleum liquids
GB/T 6538 Determination of apparent viscosity of engine oils - Using the cold-cranking simulator
GB/T 9170 Lubricating oils and fuel oils-Determination of total nitrogen-Modified kjeldahl method
GB/T 9171 Engine oil - Determination of borderline pumping temperature
GB 11122 Gasoline engine oils
GB/T 11140 Standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry
GB/T 12579 Determination of foaming characteristics of lubricating oils
GB/T 14906 Classification of internal combustion engine oils viscosity
GB/T 17040 Determination of sulfur in petroleum and petroleum products - Energy dispersive X-ray fluorescence spectrometry
GB/T 17476 Determination of multielements of lubricating oils and base oils - Inductively coupled plasma atomic emission spectrometry (ICP-AES)
GB/T 30515 Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity
NB/SH/T 0059 Standard test method for evaporation loss of lubricating oils by the Noack method
NB/SH/T 0164 Petroleum and related products packaging, storage, transportation and acceptance of delivery rules
NB/SH/T 0505 Standard test method for determination of shear stability of polymer-containing oils by ultrasonic shear method
NB/SH/T 0558 Standard test method for boiling range distribution of petroleum fractions by gas chromatography
NB/SH/T 0562 Standard test method for determination of yield stress and apparent viscosity of engine oils at low temperature
NB/SH/T 0656 Standard test methods for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
NB/SH/T 0703 Standard test method for measuring apparent viscosity at high-temperature and high-shear rate by multicell capillary viscometer
NB/SH/T 0704 Standard test method for nitrogen in petroleum and petroleum products by boat-inlet chemiluminescence
NB/SH/T 0824 Standard test method for determination of additive elements in lubricating oils by inductively coupled plasma atomic emission spectrometry
NB/SH/T 0826 Standard test method for estimation of engine oil volatility by capillary gas chromatography
NB/SH/T 0834 Standard test method for determination of moderately high temperature piston
deposits by thermo-oxidation engine oil simulation test (TEOST MHT)
NB/SH/T 0896 Standard test method for evaluation of automotive engine oils in the sequence III G spark-ignition engine
NB/SH/T 0897 Standard test method for evaluation of automotive engine oilsin the sequence IVA spark-ignition engine
NB/SH/T 0898 Standard test method for evaluation of automotive engine oils for inhibition of deposit formation in a spark-ignition internal combustion engine fueled withgasoline and operated under low-temperature, light-duty conditions
NB/SH/T 0899 Standard test method for measurement of effectsof automotive engine oils on fuel economy of passenger carsand light-duty trucks in sequence VIB spark ignition engine
NB/SH/T 0926 Standard test method for measurement of effects of automotive engine oils on fuel economy of passenger cars and light-duty trucks in sequence VID spark ignition engine
NB/SH/T 0957 Standard test method for evaluation of the ability of engine oil to emulsifywater and simulated Ed85 fuel
NB/SH/T 0976 Standard test method for bench oxidation of engine oils by ROBO apparatus
NB/SH/T 6079 Determination of automotive engine oil compatibility with typical seal elastomers
SH/T 0103 Standard test method for shear stability of polymer containing fluids using a european diesel injector apparatus
SH/T 0264 Standard test method for evaluation of automotive engine oils in the sequence VIII spark-ignition engine (Pitt W-1 method)
SH/T 0265 Standard test method for evaluation of automotive engine oils in the sequence VIII spark-ignition engine (L-38 method)
SH/T 0296 Determination of phosphorus content in additives and lubricating oils containing additives (colorimetric method)
SH/T 0512 Evaluation method of low temperature corrosion of gasoline engine oils (MS program II D method)
SH/T 0513 Evaluation method of high temperature oxidation and wear of gasoline engine oils (MS program III D method)
SH/T 0514 Evaluation method of low temperature deposits of gasoline engine oils (MS program VD method)
SH/T 0618 Dynamic Viscometry of lubricating oils under high shear conditions (Levan Felt Method)
SH/T 0631 Determination of barium, calcium, phosphorus, sulfur and zinc in lubricating oils and additives (X-ray fluorescence spectrometry)
SH/T 0657 Standard test method for trace nitrogen in liquid petroleum hydrocarbons by syringe/inlet oxidative combustion and chemiluminescence detection
SH/T 0672 Performance evaluation method of low temperature deposits of gasoline engine oils (CEPT-V method)
SH/T 0695 Standard test method for engine oil volatility by gas chromatography
SH/T 0722 Standard test method for high temperature foaming characteristics of lubricating oils
SH/T 0732 Standard test method for low temperature low shear rate viscosity/temperature dependence of lubricating oils using a temperature - scanning technique
SH/T 0749 Standard test method for determination of additive elements in both lubricating oils and additives by inductively coupled plasma atomic emission spectrometry
SH/T 0750 Standard test method for determination of high temperature deposits by thermo-oxidation engine oil simulation test
SH/T 0751 Standard test method for measuring viscosity at high temperature and high shear rate by tapered-plug viscometer
SH/T 0758 Test method for evaluation of automotive engine oils for inhibition of oxidization and wear under high-temperature conditions (Sequence-IIIE method)
SH/T 0759 Test method for evaluation of automotive engine oils for inhibition of deposit formation and wear (Sequence - VE method)
SH/T 0763 Standard test method for evaluation of rust preventive characteristics of automotive engine oils (Ball rust test method)
SH/T 0772 Standard test method for measuring the effect on filterability of engine oils after treatment with water and dry ice and a short heating time
SH/T 0783 Test method for evaluation of automotive engine oils for inhibition of oxidization and wear under high-temperature conditions (CEPT-III method)
SH/T 0788 Standard test method for evaluation of automotive engine oils in the sequence VIII spark-ignition engine (CLR oil test engine)
SH/T 0791 Standard test method for measuring the effect on filterability of engine oils after treatment with various amounts of water and a long(6-h) heating time
SH/T 0801 Standard test method for determination of homogeneity and miscibility in automotive engine oils
API 1509 Engine oillicensing and certification system
ASTM D6984 Standard testmethod for evaluation of automotive engine oilsin the sequence IIIF, spark-ignition engine
ASTM D8111 Standard testmethod for evaluation of automotive engine oilsin the sequence III H , spark-ignition engine
ASTM D8114 Standard testmethod formeasurementofeffects ofautomotive engine oilson fuel economy of passenger cars and light-duty trucks in sequence VIE spark ignition
ASTM D8226 Standard testmethod formeasurementofeffects ofautomotive engine oilson fuel economy of passenger cars and light-duty trucks in sequence VIF spark ignition engine)
ASTM D8256 Standard testmethod forevaluation ofautomotiveengineoils forin- hibition ofdepositformation in the sequence V H spark-ignition enginefueled withgasolineand opera- ted under low-temperature, light-duty conditions
ASTM D8279 Standard test method for determination of timing-chain wear in a turbocharged, direct-injection, spark-ignition, four-cylinder engine
ASTM D8291 Standard test method for evaluation of performance of automotive engine oils in the mitigation of low-speed, preignition in the sequence IX gasoline turbocharged direct-injection, spark-ignition engine
ASTM D8350 Standard testmethod for evaluation of automotive engine oilsin the sequence IVB spark-ignition engine
3 Terms and definitions
No terms and definitions are listed in this document.
4 Product variety and marking
4.1 Product variety
4.1.1 This document covers 14 gasoline engine oil quality grades, i.e. SF, SG, SH, SJ, SL, GF-3, SM, GF-4, SN, SN+, GF-5, SP, GF-6A and GF-6B.
Note: See GB/T 28772, SAEJ183 and ASTM D4485 for detailed information.
4.1.2 This document does not specify the variety of general internal combustion engine oils. For general internal combustion engine oils, the variety can be combined based on the variety of gasoline engine oils in this document and the variety of gasoline engine oils in GB 11122 as needed. Any general internal combustion engine oil shall meet all the technical requirements of its gasoline oil variety and diesel oil variety at the same time.
4.1.3 For each variety , the viscosity shall be graded according to GB/T 14906.
Note: See SAE J300 for the classification information of viscosity.
4.2 Product marking
4.2.1 Gasoline engine oil products shall be marked in the following way:
Quality grade Viscosity grade Gasoline engine oil
Example: SN 5W-30 gasoline engine oil.
GB 11121-2025 Gasoline engine oils English
WARNING: If proper preventive measures are not observed, the products covered by this document are potentially in danger during production, storage, transportation and use. This document is not intended to suggest all safety issues related to this product. Before using this document, users are responsible for establishing appropriate safety and preventive measures and determining the applicability of relevant regulations and restrictions.
1 Scope
This document specifies the product varieties, marking, technical requirements, test methods, inspection rules, identification, packaging, transportation, storage, delivery and acceptance of gasoline engine oils prepared with base oil supplemented with multiple additives.
This document is applicable to the gasoline engine oils used in spark ignition four-stroke gasoline engine.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendments) applies.
GB/T 260 Test method for water in petroleum products - Distillation method
GB/T 265 Petroleum products - Determination of kinematic viscosity and calculation of dynamic viscosity
GB/T 387 Dark petroleum products-Determination of sulphur content - Tubular oven method
GB/T 511 Petroleum petroleum products and additives - Method for determination of mechanical admixtures
GB/T 1995 Petroleum products - Calculation of viscosity index
GB/T 2433 Petroleum products - Lubricating oils and additives - Determination of sulphated ash
GB/T 2541 Petroleum products; Computation table for viscosity indices
GB/T 3535 Petroleum products - Determination of pour point
GB/T 3536 Petroleum products - Determination of flash and fire points - Cleveland open cup method
GB/T 4756 Method for manual sampling of petroleum liquids
GB/T 6538 Determination of apparent viscosity of engine oils - Using the cold-cranking simulator
GB/T 9170 Lubricating oils and fuel oils-Determination of total nitrogen-Modified kjeldahl method
GB/T 9171 Engine oil - Determination of borderline pumping temperature
GB 11122 Gasoline engine oils
GB/T 11140 Standard test method for sulfur in petroleum products by wavelength dispersive X-ray fluorescence spectrometry
GB/T 12579 Determination of foaming characteristics of lubricating oils
GB/T 14906 Classification of internal combustion engine oils viscosity
GB/T 17040 Determination of sulfur in petroleum and petroleum products - Energy dispersive X-ray fluorescence spectrometry
GB/T 17476 Determination of multielements of lubricating oils and base oils - Inductively coupled plasma atomic emission spectrometry (ICP-AES)
GB/T 30515 Petroleum products - Transparent and opaque liquids - Determination of kinematic viscosity and calculation of dynamic viscosity
NB/SH/T 0059 Standard test method for evaporation loss of lubricating oils by the Noack method
NB/SH/T 0164 Petroleum and related products packaging, storage, transportation and acceptance of delivery rules
NB/SH/T 0505 Standard test method for determination of shear stability of polymer-containing oils by ultrasonic shear method
NB/SH/T 0558 Standard test method for boiling range distribution of petroleum fractions by gas chromatography
NB/SH/T 0562 Standard test method for determination of yield stress and apparent viscosity of engine oils at low temperature
NB/SH/T 0656 Standard test methods for instrumental determination of carbon, hydrogen, and nitrogen in petroleum products and lubricants
NB/SH/T 0703 Standard test method for measuring apparent viscosity at high-temperature and high-shear rate by multicell capillary viscometer
NB/SH/T 0704 Standard test method for nitrogen in petroleum and petroleum products by boat-inlet chemiluminescence
NB/SH/T 0824 Standard test method for determination of additive elements in lubricating oils by inductively coupled plasma atomic emission spectrometry
NB/SH/T 0826 Standard test method for estimation of engine oil volatility by capillary gas chromatography
NB/SH/T 0834 Standard test method for determination of moderately high temperature piston
deposits by thermo-oxidation engine oil simulation test (TEOST MHT)
NB/SH/T 0896 Standard test method for evaluation of automotive engine oils in the sequence III G spark-ignition engine
NB/SH/T 0897 Standard test method for evaluation of automotive engine oilsin the sequence IVA spark-ignition engine
NB/SH/T 0898 Standard test method for evaluation of automotive engine oils for inhibition of deposit formation in a spark-ignition internal combustion engine fueled withgasoline and operated under low-temperature, light-duty conditions
NB/SH/T 0899 Standard test method for measurement of effectsof automotive engine oils on fuel economy of passenger carsand light-duty trucks in sequence VIB spark ignition engine
NB/SH/T 0926 Standard test method for measurement of effects of automotive engine oils on fuel economy of passenger cars and light-duty trucks in sequence VID spark ignition engine
NB/SH/T 0957 Standard test method for evaluation of the ability of engine oil to emulsifywater and simulated Ed85 fuel
NB/SH/T 0976 Standard test method for bench oxidation of engine oils by ROBO apparatus
NB/SH/T 6079 Determination of automotive engine oil compatibility with typical seal elastomers
SH/T 0103 Standard test method for shear stability of polymer containing fluids using a european diesel injector apparatus
SH/T 0264 Standard test method for evaluation of automotive engine oils in the sequence VIII spark-ignition engine (Pitt W-1 method)
SH/T 0265 Standard test method for evaluation of automotive engine oils in the sequence VIII spark-ignition engine (L-38 method)
SH/T 0296 Determination of phosphorus content in additives and lubricating oils containing additives (colorimetric method)
SH/T 0512 Evaluation method of low temperature corrosion of gasoline engine oils (MS program II D method)
SH/T 0513 Evaluation method of high temperature oxidation and wear of gasoline engine oils (MS program III D method)
SH/T 0514 Evaluation method of low temperature deposits of gasoline engine oils (MS program VD method)
SH/T 0618 Dynamic Viscometry of lubricating oils under high shear conditions (Levan Felt Method)
SH/T 0631 Determination of barium, calcium, phosphorus, sulfur and zinc in lubricating oils and additives (X-ray fluorescence spectrometry)
SH/T 0657 Standard test method for trace nitrogen in liquid petroleum hydrocarbons by syringe/inlet oxidative combustion and chemiluminescence detection
SH/T 0672 Performance evaluation method of low temperature deposits of gasoline engine oils (CEPT-V method)
SH/T 0695 Standard test method for engine oil volatility by gas chromatography
SH/T 0722 Standard test method for high temperature foaming characteristics of lubricating oils
SH/T 0732 Standard test method for low temperature low shear rate viscosity/temperature dependence of lubricating oils using a temperature - scanning technique
SH/T 0749 Standard test method for determination of additive elements in both lubricating oils and additives by inductively coupled plasma atomic emission spectrometry
SH/T 0750 Standard test method for determination of high temperature deposits by thermo-oxidation engine oil simulation test
SH/T 0751 Standard test method for measuring viscosity at high temperature and high shear rate by tapered-plug viscometer
SH/T 0758 Test method for evaluation of automotive engine oils for inhibition of oxidization and wear under high-temperature conditions (Sequence-IIIE method)
SH/T 0759 Test method for evaluation of automotive engine oils for inhibition of deposit formation and wear (Sequence - VE method)
SH/T 0763 Standard test method for evaluation of rust preventive characteristics of automotive engine oils (Ball rust test method)
SH/T 0772 Standard test method for measuring the effect on filterability of engine oils after treatment with water and dry ice and a short heating time
SH/T 0783 Test method for evaluation of automotive engine oils for inhibition of oxidization and wear under high-temperature conditions (CEPT-III method)
SH/T 0788 Standard test method for evaluation of automotive engine oils in the sequence VIII spark-ignition engine (CLR oil test engine)
SH/T 0791 Standard test method for measuring the effect on filterability of engine oils after treatment with various amounts of water and a long(6-h) heating time
SH/T 0801 Standard test method for determination of homogeneity and miscibility in automotive engine oils
API 1509 Engine oillicensing and certification system
ASTM D6984 Standard testmethod for evaluation of automotive engine oilsin the sequence IIIF, spark-ignition engine
ASTM D8111 Standard testmethod for evaluation of automotive engine oilsin the sequence III H , spark-ignition engine
ASTM D8114 Standard testmethod formeasurementofeffects ofautomotive engine oilson fuel economy of passenger cars and light-duty trucks in sequence VIE spark ignition
ASTM D8226 Standard testmethod formeasurementofeffects ofautomotive engine oilson fuel economy of passenger cars and light-duty trucks in sequence VIF spark ignition engine)
ASTM D8256 Standard testmethod forevaluation ofautomotiveengineoils forin- hibition ofdepositformation in the sequence V H spark-ignition enginefueled withgasolineand opera- ted under low-temperature, light-duty conditions
ASTM D8279 Standard test method for determination of timing-chain wear in a turbocharged, direct-injection, spark-ignition, four-cylinder engine
ASTM D8291 Standard test method for evaluation of performance of automotive engine oils in the mitigation of low-speed, preignition in the sequence IX gasoline turbocharged direct-injection, spark-ignition engine
ASTM D8350 Standard testmethod for evaluation of automotive engine oilsin the sequence IVB spark-ignition engine
3 Terms and definitions
No terms and definitions are listed in this document.
4 Product variety and marking
4.1 Product variety
4.1.1 This document covers 14 gasoline engine oil quality grades, i.e. SF, SG, SH, SJ, SL, GF-3, SM, GF-4, SN, SN+, GF-5, SP, GF-6A and GF-6B.
Note: See GB/T 28772, SAEJ183 and ASTM D4485 for detailed information.
4.1.2 This document does not specify the variety of general internal combustion engine oils. For general internal combustion engine oils, the variety can be combined based on the variety of gasoline engine oils in this document and the variety of gasoline engine oils in GB 11122 as needed. Any general internal combustion engine oil shall meet all the technical requirements of its gasoline oil variety and diesel oil variety at the same time.
4.1.3 For each variety , the viscosity shall be graded according to GB/T 14906.
Note: See SAE J300 for the classification information of viscosity.
4.2 Product marking
4.2.1 Gasoline engine oil products shall be marked in the following way:
Quality grade Viscosity grade Gasoline engine oil
Example: SN 5W-30 gasoline engine oil.
