Chosen Advanced CK-4 & FA-4 Diesel Engine Oils are specially designed to meet new Proposed Category 11 (PC-11) specifications for heavy-duty-vehicle. The new category splits into two separate and distinct subcategories: one that preserves historical heavy-duty oil criteria and one that provides additional fuel efficiency and economy benefits for modern diesel engine technology while maintaining durability. Chosen Advanced Diesel Engine Oil improves engine performance including oxidation stability, shear stability and aeration.
Chosen Advanced Diesel Engine Oil not only meets API credentials, but also is also designed to meet the latest original equipment manufacturers (OEMs) performance specifications in appropriate grades and base stocks - including Caterpillar, Cummins, Detroit Diesel, Mack, Renault, Volvo, Mercedes-Benz, MAN, and Ford. Chosen Advanced Heavy-Duty Diesel Engine Oil also meets the self-certifying requirements of ACEA E9.