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GB/T 28767-2012Classification of automotive gear lubricants (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine

Level / Type

National · Recommended

Issue date

November 5, 2012

Implementation date

March 1, 2013

Scope

GB/T 28767-2012 (Classification of automotive gear lubricants) is available as an English-translated PDF.

GB/T 28767-2012 — This Standard specifies the code instructions and detailed classification of automotive gear lubricants. This Standard is applicable to the classification and marking of the automotive gear lubricants.

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Document preview — GB/T 28767-2012

National Standard of the People's Republic of China

ICS: 75.100
Classification: E 30

Issued by: General Administration of Quality Supervision, Inspection and Quarantine

Foreword...3
1 Scope...4
2 Normative References...4
3 Code Instructions...4
4 Detailed Classification...5

Foreword

This Standard was drafted as per the rules specified in GB/T 1.1-2009.

This Standard is prepared referring to API 1560.1995 Usage Specification for

Lubricants used by the Automotive Manual Transmission, Manual Gearbox, and Drive

Axle.

This Standard was proposed by National Technical Committee for Standardization of

Petroleum Products and Lubricants (SAC/TC 280).

This Standard shall be under the jurisdiction of Petroleum Fuel and Lubricant

Subcommittee of National Technical Committee for Standardization of Petroleum

Products and Lubricants (SAC/TC 280/SC 1).

This Standard was prepared by SINOPEC Research Institute of Petroleum Processing.

Chief drafting staff of this Standard. Xu Shuyan.

Classification of Automotive Gear Lubricants

1 Scope

This Standard specifies the code instructions and detailed classification of automotive

gear lubricants.

This Standard is applicable to the classification and marking of the automotive gear

lubricants.

2 Normative References

The following documents are essential to the application of this document. For the

dated documents, only the versions with the dates indicated are applicable to this

document; for the undated documents, only the latest version (including all the

amendments) are applicable to this document.

GB/T 17477 Automotive Gear Lubricant Viscosity Classification

3 Code Instructions

3.1 Each type is determined as per the product characteristics, usage occasion, and

usage object.

3.2 Each type shall be expressed by the code consisting of two capital English letters

or two capital English letters plus one digit. The letters and digit shall be connected by

"-"; the code consisting of letter, symbol and digit indicates the quality level.

3.3 In this classification system, the products are named in a uniform way. Each

specific type code shall be accompanied by a viscosity rating specified in GB/T 17477.

Example 1. a specific automotive gear lubricant product can be named GL-4 90, thereof

"90" represents the viscosity rating specified in GB/T 17477.

Example 2. a specific automotive gear lubricant product can be named GL-5 80W-90,

thereof "80W-90" represents the viscosity rating specified in GB/T 17477.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 5 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 17477Automotive gear lubricant viscosity classification

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