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2. Motor oil - Wikipedia

   en.wikipedia.org/wiki/Motor_oil

   Motor oil is used for the lubrication, cooling, and cleaning of internal combustion engines. Motor oil may be composed of only a lubricant base stock in the case of mostly obsolete non-detergent oil, or a lubricant base stock plus additives to improve the oil's detergency, extreme pressure performance, and ability to inhibit corrosion of engine ...

3. SAE J300 - Wikipedia

   en.wikipedia.org/wiki/SAE_J300

   The oil fails the test at a particular temperature if the oil is too viscous. The grade of the oil is that associated with the coldest temperature at which the oil passes the test. For example, if an oil passes at the specified temperatures for 10W and 5W, but fails at the 0W temperature, the oil is grade 5W. It cannot be labeled 0W or 10W.

4. Shell Rotella - Wikipedia

   en.wikipedia.org/wiki/Shell_Rotella

   Shell Rotella is a line of heavy-duty engine lubrication products produced by Shell plc. The line includes engine oils, gear oils and coolants. The oil carries both the American Petroleum Institute (API) diesel "C" rating as well as the API gasoline engine "S" rating. Ratings differ based on the oil.

5. Rolls-Royce B range engines - Wikipedia

   en.wikipedia.org/wiki/Rolls-Royce_B_range_engines

   The original MOD specification called for the use of OMD-110 oil, which has a civilian equivalent rating of a straight 30W detergent mineral motor oil [citation needed]. A later specification substituted a 10W30 and some owners use a 20W50 without problems [citation needed]. In any case, owners need to ensure that the oil is compatible with ...

6. Lubricant - Wikipedia

   en.wikipedia.org/wiki/Lubricant

   Motor oil, a common lubricant.. A lubricant (sometimes shortened to lube) is a substance that helps to reduce friction between surfaces in mutual contact, which ultimately reduces the heat generated when the surfaces move.

7. Synthetic oil - Wikipedia

   en.wikipedia.org/wiki/Synthetic_oil

   A sample of synthetic motor oil. Synthetic oil is a lubricant consisting of chemical compounds that are artificially modified or synthesised. Synthetic lubricants can be manufactured using chemically modified petroleum components rather than whole crude oil, but can also be synthesized from other raw materials. The base material, however, is ...