Exceeds API Service Categories for heavy-duty-diesel engine oil: CK-4, CJ-4, CI-4, CI-4 Plus and older.
Looking for an oil that will help prolong the life of your engine? Schaeffer's 10W30 SynShield OTR Plus Engine Oil is just what you need. This oil has been shown to reduce wear by 71% compared to conventional oils, and also does an excellent job of controlling deposits, sludge and varnish. It also has superb low temperature properties, so your engine will always start easily in cold weather. If you're looking for an oil that will keep your engine running like new, then Schaeffer's 10W30 SynShield OTR Plus Engine Oil is the one for you.
• Reduces wear and tear on engine for increased longevity
• Protects against oxidation, deposit formation, soot contamination, and aeration
• Provides excellent fuel economy
• Contains proprietary friction modifiers for increased engine efficiency