
Schaeffer's 10W30 SynShield OTR Plus Engine Oil
Extend the life of your engine with Schaeffer's 10W30 SynShield OTR Plus Engine Oil, a high-performance oil that exceeds API Service Categories for heavy-duty diesel engine oils, including CK-4, CJ-4, CI-4, and CI-4 Plus. This advanced formulation is engineered to reduce wear by an impressive 71% compared to conventional oils, ensuring your engine remains protected and operates smoothly.
Schaeffer's SynShield oil excels in controlling deposits, sludge, and varnish, maintaining optimal engine cleanliness and performance. Its superb low-temperature properties guarantee easy starts in cold weather, making it a reliable choice year-round.
Designed to protect against oxidation, deposit formation, soot contamination, and aeration, this engine oil provides comprehensive protection while promoting excellent fuel economy. Additionally, it contains proprietary friction modifiers that enhance engine efficiency, ensuring you get the most out of your vehicle.
Key Features:
- Wear Reduction: Decreases wear and tear on the engine for increased longevity.
- Comprehensive Protection: Shields against oxidation, deposit formation, soot contamination, and aeration.
- Fuel Efficiency: Promotes excellent fuel economy, maximizing your vehicle's performance.
- Enhanced Efficiency: Proprietary friction modifiers boost engine efficiency for optimal operation.
Choose Schaeffer's 10W30 SynShield OTR Plus Engine Oil to keep your engine running like new and performing at its best. Order your gallon today!
Shipping Note: Only available for ground shipping.

Schaeffer's 10W30 SynShield OTR Plus Engine Oil
Extend the life of your engine with Schaeffer's 10W30 SynShield OTR Plus Engine Oil, a high-performance oil that exceeds API Service Categories for heavy-duty diesel engine oils, including CK-4, CJ-4, CI-4, and CI-4 Plus. This advanced formulation is engineered to reduce wear by an impressive 71% compared to conventional oils, ensuring your engine remains protected and operates smoothly.
Schaeffer's SynShield oil excels in controlling deposits, sludge, and varnish, maintaining optimal engine cleanliness and performance. Its superb low-temperature properties guarantee easy starts in cold weather, making it a reliable choice year-round.
Designed to protect against oxidation, deposit formation, soot contamination, and aeration, this engine oil provides comprehensive protection while promoting excellent fuel economy. Additionally, it contains proprietary friction modifiers that enhance engine efficiency, ensuring you get the most out of your vehicle.
Key Features:
Wear Reduction: Decreases wear and tear on the engine for increased longevity.
Comprehensive Protection: Shields against oxidation, deposit formation, soot con[...]
Schaeffer's 10W30 SynShield OTR Plus Engine Oil
Extend the life of your engine with Schaeffer's 10W30 SynShield OTR Plus Engine Oil, a high-performance oil that exceeds API Service Categories for heavy-duty diesel engine oils, including CK-4, CJ-4, CI-4, and CI-4 Plus. This advanced formulation is engineered to reduce wear by an impressive 71% compared to conventional oils, ensuring your engine remains protected and operates smoothly.
Schaeffer's SynShield oil excels in controlling deposits, sludge, and varnish, maintaining optimal engine cleanliness and performance. Its superb low-temperature properties guarantee easy starts in cold weather, making it a reliable choice year-round.
Designed to protect against oxidation, deposit formation, soot contamination, and aeration, this engine oil provides comprehensive protection while promoting excellent fuel economy. Additionally, it contains proprietary friction modifiers that enhance engine efficiency, ensuring you get the most out of your vehicle.
Key Features:
- Wear Reduction: Decreases wear and tear on the engine for increased longevity.
- Comprehensive Protection: Shields against oxidation, deposit formation, soot contamination, and aeration.
- Fuel Efficiency: Promotes excellent fuel economy, maximizing your vehicle's performance.
- Enhanced Efficiency: Proprietary friction modifiers boost engine efficiency for optimal operation.
Choose Schaeffer's 10W30 SynShield OTR Plus Engine Oil to keep your engine running like new and performing at its best. Order your gallon today!
Shipping Note: Only available for ground shipping.