Heavy Duty Diesel Engine Oils

Spotlight On Heavy-Duty Engine Oil

Heavy-duty engine oils, which protect diesel engines, are facing a barrage of changes. Formulators must meet ever stricter fuel economy regulations as well as restrictions on greenhouse gas emissions.

Moving Up to API CK-4: A Win for the Industry

Lubricants that enable modern engine hardware, contribute to fuel economy gains, and maintain the highest possible protective benefits are now a must to maintain a reliable and productive fleet.