Standard Specification for Performance of Active API Service Category Engine Oils (Includes all amendments and changes 9/29/2026).
NORMA vydaná dňa 1.7.2026
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Designation standards: ASTM D4485-26b
Publication date standards: 1.7.2026
The number of pages: 56
Approximate weight : 168 g (0.37 lbs)
Country: American technical standard
Kategória: Technické normy ASTM
This specification covers engine oils for light-duty and heavy-duty internal combustion engines used under a variety of operating conditions in automobiles, trucks, vans, buses, and off-highway farm, industrial, and construction equipment. Automotive engine oils are classified in three general arrangements: S, C, and Energy Conserving. These arrangements are further divided into categories with performance measured as follows: SH, SJ, SL, SM, CF-4, CF, CF-2, CG-4, CH-4, CI-4, CJ-4, Energy Conserving associated with SJ, and Energy Conserving associated with SL. Different bench and chemical tests shall be performed to help evaluate some aspects of engine oil performance.
Keywords:
automotive, engine oil, engine oil categories, engine oil test methods, heavy-duty engine, internal combustion engine, light duty engine ,, ICS Number Code 75.100 (Lubricants, industrial oils and related products)