ASTM D7484 - 11 Standard Test Method for evaluation of automotive engine oils for valve-train wear performance in Cummins ISB medium-duty diesel engine
This test method was developed to assess the performance of a heavy-duty engine oil in controlling engine wear under operating conditions selected to accelerate soot production and valve-train wear in a turbocharged and aftercooled four-cycle diesel engine with sliding tappet followers equipped with exhaust gas recirculation hardware. The design of the engine used ...
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