QORM GOLD SAE 15W40 API CF4 is a high performance multi-grade engine oil for use in heavy duty diesel engines. It is available in SAE 15W40, 20W50 viscosity grade and has been developed as an API service classification CF4 oil for mixed fleet operations where European, U.S. and Japanese heavy and light duty trucks are used. The total base number (TBN) of 11 provides a high alkalinity reserve necessary to give excellent engine protection for long engine life.
