Schaeffer’s 711 SynShield™ OTR Plus SAE 10W-30 is a premium synthetic blend heavy-duty diesel engine oil engineered to provide maximum protection against wear, oxidation, soot contamination, and deposit formation.
Schaeffer's Lubricants sold and listed by Doxa-Worldwide. High zinc formulation for superior wear protection. Zinc Content: 1600–2000 ppm. Designed for high-performance gasoline and racing engines. Maintains strong oil film under high heat and load.
Schaeffer's Lubricants sold and listed by Doxa-Worldwide. Full synthetic engine oil for gasoline engines. Modern engines requiring 5W-30 full synthetic oil. Designed for new and high-mileage engine protection.