It's applicable to heavy duty vehicles driven by imported diesel engines with exhaust gas recirculation (EGR) or diesel particulate filter (DPF)
It is applicable to large and heavy-duty vehicles for container hauling and bulldozers, excavators, mining machines, generators, etc. that work under various harsh conditions.
It's applicable to turbocharged or naturally aspirated diesel engines requiring CF-4 (including CE, CD, CC) grade diesel oil;
