Developed for heavy duty vehicles, our Heavy Diesel Engine Oil ProQyon Max (API CG-4), is a testament to quality unleashed. Tailored for optimal performance, it offers unparalleled protection for engines requiring a versatile multigrade oil. The superior base oil ensures exceptional cold and high-temperature properties, while the advanced additive package is meticulously designed to meet the exacting demands of heavy vehicle engines.

Every heavy vehicle driver will enjoy its outstanding performance, extended drain capability, and enhanced crankcase life, all contributing to superior engine protection that goes beyond the standards set by conventional and synthetic oils.