HD CF4 10W-40 is a high performance synthetic engine oil to be used in diesel engines in light and heavy commercial vehicles with or without turbocharger designed for use in Euro-II, Euro-III and EURO-IV emission requirements and engines equipped with EGR and /or SCR exhaust after treatment system. ENGINE OIL EHPD 10W-40 is unsuitable for diesel engines equipped with a Diesel Particulate Filter (DPF) HD CF4 10W-40 is based on high performance synthetic in combination with a specially selected additive technology to ensure the following properties: