Mineral monograde engine oils of SAE 30, SAE 40 and SAE 50 grades are used for lubrication of all diesel engine types, while the SAE 10W and SAE 20W oil grades are used for lubrication of automotive mechanical assemblies (hydraulic systems, transmissions, clutches,...) in commercial vehicles (freight trucks, buses, mining, construction and agricultural machinery), operating under normal operating conditions. Provides reliable protection in European climate zone. Drain interval: according to the engine manufacturer recommendations.