BULWARK HERCULES series oils are superior mono-grade mineral diesel engine oils specially designed to lubricate a wide range of 4-stroke naturally aspirated diesel engines requiring API CF-4 or lower performance requirements usually older fleet of light, medium and heavy-duty commercial vehicles.
BULWARK HERCULES SAE 40 is manufactured using superior paraffinic mineral base oils and high-performance additives to provide excellent anti-oxidation, anti-wear properties and reliable all year-round performance. Recommended for use in diesel engines which are widely used on road transport and off-road equipment, where mono grade lubricants are required.