Several multiviscosity grade oils were subjected to a special 240-hour endurance test procedure in an Army high-output two-cycle diesel engine, and certain of the oils were laboratory tested in the Army's multifuel, four-cycle compression ignition engine and in the Army's air-cooled four-cycle diesel tank engine. Certain of the lubricants were also subjected to standard hydraulic/power transmission tests because acceptable power transmission performance will now be a formal requirement in the D-revision to the engine lubricant specification MIL-L-2104. Parallel to these laboratory evaluations, pilot field tests were conducted in combat/tactical vehicles (engines and power shift transmissions) at three Army bases. The limited field tests indicated that the use of arctic/conventional multiviscosity grade lubricants at ambient temperatures up to 38°C(100°F) may be possible, and their introduction under MIL-L-2104 should be pursued. Laboratory test results produced a suitable two-cycle diesel engine lubricants qualification test, and showed that SAE grade oils are acceptable for use in Army diesel-powered combat/tactical engine and power transmission fluid systems. Areas for continued lubricant development are outlined.
Laboratory Evaluation of Army Multiviscosity Grade Tactical Engine Oils
Sae Technical Papers
1983 SAE International Fall Fuels and Lubricants Meeting and Exhibition ; 1983
1983-10-31
Conference paper
English
Laboratory Evaluation of Army Multiviscosity Grade Tactical Engine Oils
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