Today’s technology trend of diesel engine is towards more environment conscious products with less gas emission
and longer overhaul period. Coming along with these development, new devices like the Exhaust Gas
Recirculation(EGR) rely much more on the performance of the engine oil being used. Optima D7, the newest version of
the Optima D7 series high performance heavy diesel engine oil, is well positioned to address those needs.
Blended from hydrotreated base stocks and a high technology core additive package, Optima D7 Engine oil is truly a universal
heavy duty diesel oil meeting the stringent Global DHD-1 specification that brings the European ACEA standard and American
API performance together for the first time. This means Optima D7 Turbo Diesel is simply the top player for both the modern
North American engines and the top-tier West European engines.