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This SAE Recommended Practice was developed by SAE, and the section “Standard Classification and Specification for Service Greases” cooperatively with ASTM, and NLGI. It is intended to assist those concerned with the design of heavy duty vehicle components, and with the selection and marketing of greases for the lubrication of certain of those components on heavy duty vehicles like trucks and buses. The information contained herein will be helpful in understanding the terms related to properties, designations, and service applications of heavy duty vehicle greases.

This SAE Recommended Practice was developed by SAE, and the section "Standard Classification and Specification for Service Greases" cooperatively with ASTM, and NLGI. It is intended to assist those concerned with the design of heavy duty vehicle components, and with the selection and marketing of greases for the lubrication of certain of those components on heavy duty vehicles like trucks and buses. The information contained herein will be helpful in understanding the terms related to properties, designations, and service applications of heavy duty vehicle greases.

This SAE Information Report is an introduction to lubricant classifications, specifications, and types in common use today. It emphasizes the desirability of using a minimum number of lubricants. Pertinent SAE reports are called out for easy reference. Lubricant abbreviations have been included that will assist in preparation of lubrication charts (described in SAE J753). Table 1 lists the components of construction and industrial equipment and the various lubricants which may be used. Table 2 lists lubricant types and identifying abbreviations. Lubricants that had common usage in the past are retained in Table 2 to show where the new specifications originated.

Table 1 lists the components of construction and industrial equipment and the various lubricants which may be used. Table 2 lists lubricant types and identifying abbreviations. Lubricants that had common usage in the past are retained in Table 2 to show where the new specifications originated. Original factory lubrication may deviate from field recommendations because of special requirements, such as breakin. Lubricant viscosity grade should be selected for various climatic conditions (described in SAE J300 and SAE J307). The final selection of the lubricant and grade will depend upon the requirements of the equipment manufacturer.

Table 1 lists the components of construction and industrial equipment and the various lubricants which may be used. Table 2 lists lubricant types and identifying abbreviations. Lubricants that had common usage in the past are retained in Table 2 to show where the new specifications originated. Original factory lubrication may deviate from field recommendations because of special requirements, such as breakin. Lubricant viscosity grade should be selected for various climatic conditions (described in SAE J300 and SAE J307). The final selection of the lubricant and grade will depend upon the requirements of the equipment manufacturer.