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:

• Excellent thermal and oxidation stability.
• Very good dispersancy and detergency.
• High anti-foam, anti-wear and anti-corrosion properties.
• Excellent protection against Bore Polishing.
• Extended drain intervals 20,000KM