Designed for the demanding needs of heavy-duty vehicles, ProQyon Max Heavy Diesel Engine Oil (API CF-4) sets a new standard in quality and performance. Built to provide exceptional engine protection, this versatile multigrade oil is optimized for robust performance in rigorous conditions. The high-grade base oil offers superior cold and high-temperature resilience, while the advanced additive package is expertly crafted to meet the tough requirements of heavy-duty engines.

Heavy vehicle operators can rely on its outstanding performance, extended drain intervals, and enhanced crankcase life, delivering engine protection that exceeds the standards of conventional and synthetic blend oils.