Mobil Delvac Modern 15W40 Extreme Defence is a premium heavy-duty diesel engine oil formulated to provide superior protection and performance in modern diesel engines operating under severe conditions. It is designed to meet the demands of both on-highway and off-highway applications, ensuring extended engine life and reliability.

Key Features:

Advanced Additive Technology: Formulated with cutting-edge additives to provide exceptional protection against wear, oxidation, and corrosion. The oil helps prevent the formation of sludge and deposits, ensuring clean engine operation and longevity.

Enhanced Engine Protection: Provides excellent protection against high-temperature deposits and oxidation, extending the life of critical engine components and reducing the risk of costly repairs.

Improved Fuel Efficiency: The advanced formulation helps reduce friction and internal engine drag, contributing to improved fuel efficiency and lower operating costs.

Superior Low-Temperature Performance: The 15W40 viscosity grade ensures effective cold start protection and lubrication in low-temperature conditions, reducing engine wear during start-up.

Compatibility with Exhaust Gas Recirculation (EGR) Systems: Formulated to meet the needs of engines equipped with EGR systems, which are designed to reduce emissions and improve fuel economy.

High TBN (Total Base Number): Contains a high TBN to neutralize acids formed during combustion, ensuring superior protection against harmful wear and corrosion.

Advanced Chemistry: The advanced chemistry of this product delivers exceptional performance in both modern, high-output engines, including those with Exhaust Gas Recirculation (EGR) systems, as well as older engines operating on either low or high sulfur fuels.

Reduced Low Temperature Sludge Build-Up and High Temperature Deposits: The formulation minimizes sludge build-up at low temperatures and prevents high-temperature deposits, ensuring cleaner engine operation and more efficient performance.

Recommended for a Wide Range of Applications: Recommended by ExxonMobil for use in a wide range of heavy-duty applications and operating environments, including trucking, mining, construction, quarrying, marine, and agricultural industries.

Approvals: This product has the following approvals:

• Detroit Fluids Specification 93K214
• Mack EO-M Plus
• Mack EO-N Premium Plus
• MB-Approval 228.3
• VOLVO VDS-3
• Cummins CES 20077
• Cummins CES 20078

Main Applications:

Heavy-Duty Diesel Engines: Ideal for use in modern diesel engines operating in severe conditions, including long-haul trucking, construction, and mining operations. It provides reliable protection and performance in both on-highway and off-highway applications.

On-Highway Vehicles: Suitable for use in a wide range of on-highway diesel vehicles, including trucks, buses, and delivery vans, offering enhanced protection and performance for long-distance travel and heavy loads.

Off-Highway Equipment: Effective in off-highway equipment such as construction machinery, agricultural tractors, and mining equipment, ensuring optimal engine protection and durability under challenging operating conditions.

Engines with EGR Systems: Specifically designed for engines equipped with EGR systems, helping to maintain optimal performance and reduce emissions.

Engines Operating on Low or High Sulfur Fuels: Suitable for older engines and those operating on various sulfur levels, providing reliable performance and protection across different fuel types.

Benefits:

Extended Engine Life: Superior protection against wear, oxidation, and corrosion helps extend the life of engine components, reducing the need for repairs and replacements.

Reduced Operating Costs: Improved fuel efficiency and reduced friction contribute to lower overall operating costs, making it a cost-effective choice for fleet operators and equipment owners.

Enhanced Engine Cleanliness: Advanced additive technology helps prevent the formation of sludge and deposits, keeping the engine clean and maintaining its performance over time.

Reliable Performance in Severe Conditions: Provides consistent performance and protection in demanding operating conditions, including extreme temperatures and heavy loads.

Compatibility with Modern and Older Engines: The advanced chemistry ensures exceptional performance in both modern, high-output engines with EGR systems and older engines, regardless of the sulfur content of the fuel.

Versatile Applications: Recommended by ExxonMobil for use across diverse heavy-duty applications and operating environments, including trucking, mining, construction, quarrying, marine, and agricultural industries.

Typical Characteristics:

• Viscosity Grade: 15W40
• API Specification: CK-4
• ACEA Specification: E9
• Viscosity at 40°C: 110 cSt
• Viscosity at 100°C: 15.3 cSt
• Viscosity Index:145
• Flash Point: 223°C
• Pour Point: -36°C
• Density at 15°C: 0.87 g/cm³
• Total Base Number (TBN): 11mg KOH/g
• Sulfated Ash: 1.3% wt