15W-40 HD 5QT

The Klondike SAE 15W-40 CK-4 Advanced Formula Heavy Duty Engine Oil is a high performance, mixed fleet engine oil recommended for naturally aspirated and turbocharged diesel and gasoline engines in which SAE 15W-40 viscosity grade and API CK-4 or SN service categories are specified. This formula is specifically engineered for engines operating under severe service in a wide range of climatic conditions and ambient temperatures. It is designed specifically to meet the requirements of API Service Category CK-4 for heavy duty diesel engines running on Ultra Low Sulfur Diesel (ULSD) and equipped with advanced after treatment devices.