Browse Publications Technical Papers 941939
1994-10-01

The World's First Diesel Engine Oil Category for Use With Low-Sulfur Fuel: API CG-4 941939

Since diesel engine oils are part of the low-emission equation, there has been stepped increases in the quality of crankcase oils with the stepped reduction in diesel exhaust emissions. The new API CG-4 oil category, was developed to address the Engine Manufacturers Association's (EMA's) needs for 1994 emission-controlled diesel engines. It also improves the quality of crankcase oils by using modern four-cycle diesel engine tests which:
  • operate on low-sulfur diesel fuel, as used by all on-highway trucks in the U.S.,
  • have statistically defined test limits,
  • are incorporated into the Chemical Manufacturers Association's (CMA's) rigorous code for qualification testing.

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