TURBO PLUS DIESEL SAE 10W-30 / 10W-40 / 15W-40 / 20W-50 API CJ-4, CI-4 PLUS, CI-4, CH-4, CG-4, CF-4, CI-4/SM, CI-4/SL, CH-4/SJ (MINERAL BASED DIESEL OIL) LUBENZ SILVER HDEO 5000 series are monograde diesel engine oils formulated with high quality base stocks and selected additives to ensure optimum performance and protection for diesel engines requiring an API CF-4/CF-2 specification. Suitable for heavy duty, high output diesel engines where monograde oils are specified. It provides excellent protection in engines, against high temperature piston deposits, wear, corrosion and foaming under severe operating conditions. fior more information, please contact us.