This is a full synthetic heavy duty truck engine oil that is specifically recommended for large truck engines that require EURO V emission standards. Also this product can be used very well in engines that need EURO IV emission standards and older (EURO III , EURO II). This product is perfectly compatible with all after treatment systems and EGR SCR and DPF. The full synthetic base oils of this product ensure very long and stable drain intervals. This product functions very well all year round and provides sufficient fuel economy figures compared to more traditional mineral heavy duty engine oils.