HD SEMI CJ4 20W-50 designed for semi synthetic high loaded diesel engines in light and heavy commercial vehicles working under severe operating conditions through the whole year for use in Euro-3, Euro-4 and Euro-5 engines equipped with EGR and/or SCR. This product is not suitable for vehicles equipped with DPF filters. HD SEMI CJ4 20W-50 is formulated with high refined solvent mineral stock in combination with a special additive package to reach the following properties:
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