GB 11122-2025 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB 11122-2025 | English | 410 |
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Diesel engine oils
| Valid |
| GB 11122-2006 | English | 389 |
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Diesel engine oils
| Valid |
| GB 11122-1997 | English | 319 |
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Dicsel engine oils
| Obsolete |
| GB 11122-1989 | English | 199 |
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Diesel engine oils L-ECC
| Obsolete |
Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: GB 11122-2025
GB 11122-2025: Diesel engine oils---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GB11122-2025
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 75.100
CCS E 34
Replacing GB 11122-2006
Diesel engine oils
Issued on: JUNE 30, 2025
Implemented on: JULY 01, 2026
Issued by. Status Administration for Market Regulation;
National Standardization Administration.
Table of Contents
Foreword... 3
1 Scope... 5
2 Normative references... 5
3 Terms and definitions... 9
4 Product classification and labeling... 9
5 Technical requirements and test methods... 10
6 Inspection rules... 10
7 Labeling, packaging, storage, transportation, delivery acceptance... 12
8 Implementation of the Standard... 12
Appendix A (Normative) Technical requirements and test methods for viscosity-
temperature performance of CD quality grade diesel engine oils... 22
Appendix B (Normative) Fine-tuning procedure for D1 quality grade diesel engine oil
formulation... 23
References... 27
Diesel engine oils
Warning - If appropriate precautions are not followed, the products covered by
this document may be hazardous during production, storage, transportation, use.
This document does not purport to provide recommendations regarding all safety
issues related to this product. Before using this document, users are responsible
for establishing appropriate safety and health measures and determining the
applicability of relevant regulatory restrictions.
1 Scope
This document specifies the product classification and labeling, technical requirements
and test methods, inspection rules, labeling, packaging, storage, transportation, delivery
acceptance for diesel engine oils made from base oils with various additives.
This document applies to diesel engine oils used in compression-ignition four-stroke
diesel engines.
2 Normative references
The contents of the following documents, through normative reference, constitute
essential provisions of this document. For dated references, only the version
corresponding to that date applies to this document. For undated references, only the
latest version (including all amendments) applies to this document. GB/T 260
Determination of Water Content in Petroleum Products - Distillation Method
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
ASTM D6681 Standard test method for evaluation of engine oils in a high-speed,
single-cylinder diesel engine - Caterpillar 1P test procedure
ASTM D6894 Standard test method for evaluation of aeration resistance of engine
oils in an indirect-injected turbocharged automotive diesel engine
ASTM D6923 Standard test method for evaluation of aeration resistance of engine
oils in a high-speed, single-cylinder diesel engine - Cat-Pillar 1R test sequence
ASTM D6984 Standard test method for evaluation of automotive engine oils in the
sequence IIIF, spark-ignition engine
ASTM D6987 Standard test method for evaluation of diesel engine oils in a T-10
exhaust gas recirculation diesel engine
ASTM D7156 Standard test method for evaluation of diesel engine oils in the T-11
exhaust gas recirculation diesel engine
ASTM D7422 Standard test method for evaluation of diesel engine oils in the T-12
exhaust gas recirculation diesel engine
ASTM D8111 Standard test method for evaluation of automotive engine oils in the
sequence IIIH, spark-ignition engine
ASTM RR.D-2-1219 Supporting data for ASTM D4485, performance specification
for automotive engine oils (Multicylinder engine test sequence for the evaluation of
lubricants - Mack T-6)
ASTM RR. D-2-1220 Supporting data for ASTM D4485, performance specification
for automotive engine oils (Multicylinder engine test sequence for the evaluation of
lubricants - Mack T-7)
3 Terms and definitions
This document does not have any terms or definitions to be defined.
4 Product classification and labeling
4.1 Product classification
4.1.1 This document covers six diesel engine oil quality grades. CD, CF, CF-4, CH-4,
CI-4, D1.
Note. For detailed classification information, see GB/T 28772, ASTM D4485, SAE J183.
4.1.2 This document does not specify the quality grades of general-purpose internal
combustion engine oils. General-purpose internal combustion engine oils may be
combined with the diesel engine oil quality grades defined in this document and the
gasoline engine oil quality grades defined in GB 11121, as needed. Any general-purpose
internal combustion engine oil must meet all the technical requirements of both its
gasoline engine oil quality grade and its diesel engine oil quality grade.
4.1.3 Each quality grade is divided into viscosity grades according to GB/T 14906.
Note. For detailed viscosity classification information, see SAE J300.
4.2 Product labeling
4.2.1 Diesel engine oil products are labeled as follows.
Quality grade Viscosity grade Diesel engine oil
Examples. CI-41 0W-40 diesel engine oil, CD 40 diesel engine oil.
4.2.2 General-purpose internal combustion engine oil products are labeled as follows.
Gasoline engine oil quality grade/Diesel engine oil quality grade Viscosity grade
General-purpose internal combustion engine oil or
Diesel engine oil quality grade/Gasoline engine oil quality grade Viscosity grade
General-purpose internal combustion engine oil
Examples. SJ/CF-4 5W-30 general-purpose internal combustion engine oil or CF-4/SJ 5W-30
general-purpose internal combustion engine oil. The former indicates that its formulation
primarily meets the technical requirements of SJ gasoline engine oil, while the latter indicates
that its formulation primarily meets the technical requirements of CF-4 diesel engine oil. Both
products meet all the technical requirements of both SJ gasoline engine oil and CF-4 diesel
engine oil.
Note. The order of quality grades for gasoline or diesel engine oils is determined by the
manufacturer based on the product formulation characteristics.
5 Technical requirements and test methods
5.1 The technical requirements and test methods for viscosity-temperature performance
of CD quality grade diesel engine oil shall comply with Table 1 or Table A.1 in
Appendix A. The technical requirements and test methods for viscosity-temperature
performance of other quality grades of diesel engine oil shall comply with Table 1.
Multigrade oils shall meet the technical requirements of both the W-containing
viscosity grade and the high-temperature viscosity grade in the series.
5.2 The technical requirements and test methods for physical and chemical properties
and simulated performance of diesel engine oil shall comply with Table 2.
5.3 The technical requirements and test methods for the performance of diesel engine
oil shall comply with Table 3.
6 Inspection rules
6.1 Inspection categories and items
6.1.1 Exit-factory inspection
Exit-factory batch inspection items include. low-temperature starting viscosity,
kinematic viscosity, viscosity index, pour point, water content, foam characteristics,
mechanical impurities, flash point, base number, sulfur content, phosphorus content,
nitrogen content.
Assuming there are no changes in raw materials or production processes that could
affect product quality, exit-factory periodic inspection items include. low-temperature
pumping viscosity of diesel engine oils meeting the viscosity-temperature performance
requirements of Table 1 shall be tested semi-annually; boundary pumping temperature
of CD diesel engine oils meeting the viscosity-temperature performance requirements
of Table A.1 shall be tested semi-annually; high-temperature high-shear viscosity,
evaporation loss, sulfated ash shall be tested semi-annually; corrosion test, high-
temperature corrosion test, diesel nozzle shear test, L-38 engine test, or Sequence VIII
engine test shall be tested every two years.
6.1.2 Type Inspection
Type inspection items include all inspection items specified in the technical
requirements of Chapter 5.
Type inspection shall be conducted and the test results retained for reference in the
following circumstances.
a) When a new product is put into production or undergoes product type-finalization;
b) When there are significant changes in raw materials, processes, etc. that may
affect product quality;
c) When the exit-factory inspection results differ significantly from the previous type
inspection results.
When base oils are changed, relevant tests shall be conducted in accordance with the
"API Base Oil Interchangeability Guidelines for Passenger Car and Diesel Engine Oils"
in API 1509; the test results shall be retained for reference. When extending viscosity
grades, relevant tests shall be conducted in accordance with the "API Guidelines for
Engine Testing of SAE Viscosity Grades" in API 1509; the test results shall be retained
for reference.
The CA6DM3, DCI11, WP13, 2.0CTI methods for evaluating the comprehensive
properties of D1 quality grade diesel engine oils do not support base oil
interchangeability or viscosity extension. Therefore, the formulation shall be fine-tuned
according to Appendix B, relevant testing shall be conducted, the test results retained
for future reference.
6.2 Group-batching
Under the same raw materials and process, each can or kettle produced is considered a
batch.
6.3 Sampling
Sampling shall be conducted in accordance with GB/T 4756.The sampling volume
shall meet the requirements for exit-factory inspection, type inspection, retained
samples.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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