Today’s technology trend of diesel engine is towards more environment conscious products with less gas emission and longer overhaul period. Coming along with this development, new devices like the Exhaust Gas Recirculation (EGR) rely much more on the performance of the engine oil being used. United Hydro 800 engine oil, the newest product of the United series high performance heavy diesel engine oils, is well positioned to address those needs. This oil is particularly suitable for the modern diesel engine equipped with Exhaust Gas Recirculation (EGR) device.