ASTM D6837乘用车和轻型货车VIB序列火花点火发动机中汽车发动机油节油效果测量的标准试验方法
日期:2012-02-08 10:10
ion 1509.
SAE Classification J304.
SAE Classification J1423.
^SCOPE:
1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel economy of passenger cars and light-duty trucks with gross vehicle weight of 3856 kg or less. The tests are conducted on a dynamometer test stand using a specified spark-ignition engine with a displacement of 4.6-L. It applies to multiviscosity grade oils used in these applications.
1.2 This test method
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