ASTM D4485-22e1

Standard Specification for Performance of Active API Service Category Engine Oils

ASTM International , 09/01/2022

Publisher: ASTM

File Format: PDF

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Description

Standard By:ASTM International , 09/01/2022

Published:09/01/2022

Pages:44

1.1This 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.2

1.2This specification is not intended to cover engine oil applications such as outboard motors, snowmobiles, lawn mowers, motorcycles, railroad locomotives, or oceangoing vessels.

1.3This specification is based on engine test results that generally have been correlated with results obtained on reference oils in actual service engines operating with gasoline or diesel fuel. As it pertains to the API SL engine oil category, it is based on engine test results that generally have been correlated with results obtained on reference oils run in gasoline engine Sequence Tests that defined engine oil categories prior to 2000. It should be recognized that not all aspects of engine oil performance are evaluated by the engine tests in this specification. In addition, when assessing oil performance, it is desirable that the oil be evaluated under actual operating conditions.

1.4This specification includes bench and chemical tests that help evaluate some aspects of engine oil performance not covered by the engine tests in this specification.

1.5The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5.1Exceptions:

1.5.1.1The roller follower shaft wear in Test Method D5966 is in mils.

1.5.1.2The oil consumption in Test Method D6750 is in grams per kilowatthour.

Note 1:The kWh unit is deprecated. The preferred SI unit is the joule (J); 1 kWh = 3.6 MJ.

1.5.1.3The bearing wear in Test Method D6709 is in grams and is described as weight loss, a non-SI term.

1.5.1.4Some of the appendixes are verbatim from other sources, and non-SI units are included.

1.6This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM D4485-22e1

Standard Specification for Performance of Active API Service Category Engine Oils

ASTM D4485-22e1 History

ASTM D4485-22e1

ASTM D4485-19

ASTM D4485-18a

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