Schaeffer’s 0700-005 SynShield API CK-4 15W-40 Diesel Engine Oil, 5 Gallon Pail
Schaeffer’s Lubricants sold and listed by Doxa-Worldwide. API Service: CK-4. Synthetic plus heavy-duty diesel engine oil. Older and modern diesel engines requiring 15W-40 CK-4 oil. Reduces engine wear with advanced friction modifiers.