Now with advanced anti-oxidant chemistry that reduces high temperature oxidation and deposits by as much as 50% over conventional oils
SWEPCO 308 Premium Plus Diesel Engine Oil is a high performance, multi-grade engine oil especially formulated to exceed the performance demands of 2007 and later low emission over-the-road diesel engines running on ultra-low sulfur diesel fuels. SWEPCO 308 not only meets, but exceeds, the unique service requirements of diesel engines equipped with new generation low emission systems, such as diesel particulate filters (DPF), exhaust gas recirculation (EGR) and diesel oxidation catalysts (DOC).