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
ces and determine the applicability of regulatory limitations prior to use.
1. 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
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