The Marvell Thunder 15W-40 CK-4/E11 Diesel Engine Oil is a premium-quality, multi-grade lubricant designed to meet the demanding requirements of modern diesel engines. Formulated with advanced additive technology, this engine oil provides exceptional protection against wear, deposits, and oxidation, ensuring your engine runs smoothly and efficiently under all operating conditions.

Ideal for both on-highway and off-highway applications, Marvell Thunder 15W-40 is suitable for use in heavy-duty diesel engines, including those equipped with the latest emission control systems such as Diesel Particulate Filters (DPFs), Selective Catalytic Reduction (SCR), and Exhaust Gas Recirculation (EGR). The 20-liter container is perfect for commercial fleets and heavy equipment operators seeking reliable engine protection and extended oil drain intervals.

Key Features

API CK-4 Performance

• Latest Standards: Meets or exceeds API CK-4 specifications for diesel engine oils.
• Enhanced Protection: Offers superior protection against wear, oxidation, and deposits.
• Emission System Compatibility: Designed for engines with advanced emission control technologies.

Advanced Additive Technology

• Wear Protection: Contains anti-wear additives to protect critical engine components.
• Deposit Control: Prevents sludge and varnish formation, keeping engines clean.
• Oxidation Resistance: Resists oil breakdown at high temperatures for consistent performance.

Superior Thermal Stability

• High Temperature Performance: Maintains film strength under extreme heat.
• Cold Start Protection: Excellent low-temperature properties ensure easy starting in cold conditions.
• Shear Stability: Retains viscosity under heavy load conditions.

ACEA Compliance

• European Standards: Complies with ACEA specifications for heavy-duty diesel engine oils.
• High Temperature Stability: Maintains viscosity and protection under severe operating conditions.
• Extended Drain Intervals: Supports longer oil change intervals as recommended by manufacturers.

Benefits

Maximized Engine Life

• Reduced Wear: Protects against metal-to-metal contact in high-stress areas.
• Corrosion Protection: Inhibits rust and corrosion inside the engine.
• Extended Component Life: Minimizes wear on pistons, rings, and cylinders.

Improved Fuel Efficiency

• Optimized Formulation: Reduces internal friction for better fuel economy.
• Emission Control Compatibility: Protects after-treatment devices like DPFs and catalytic converters.
• Lower Operating Costs: Improved efficiency contributes to reduced fuel expenses.

Versatile Application

• Multiple Engine Types: Suitable for turbocharged, supercharged, and naturally aspirated diesel engines.
• On and Off-Highway Use: Ideal for trucks, buses, agricultural equipment, and construction machinery.
• Mixed Fleet Solution: One oil for various vehicles simplifies maintenance.

Usage Instructions

Application

• Diesel Engines: Designed for use in heavy-duty diesel engines requiring API CK-4 performance.
• OEM Approvals: Compatible with various OEM specifications—consult your vehicle's manual for confirmation.

How to Use

1. Preparation: Ensure the engine is turned off and cooled down before proceeding.
2. Drain Old Oil: Remove the oil drain plug and allow the old oil to drain completely.
3. Replace Oil Filter: Replace the oil filter with each oil change for optimal performance.
4. Add Marvell Thunder 15W-40 Oil: Refill the engine with the appropriate amount of oil as specified by the manufacturer.
5. Check Oil Level: Use the dipstick to verify the correct oil level.
6. Dispose of Used Oil: Collect and dispose of used oil responsibly, following local regulations.

Service Intervals

• Standard Intervals: Follow the manufacturer's recommended oil change intervals.
• Extended Intervals: May support extended intervals under certain operating conditions—consult OEM guidelines.

Technical Specifications

• Viscosity Grade: SAE 15W-40
• API Classification: CK-4
• Base Oil: High-quality mineral base stocks
• Viscosity @ 40°C: Approximately 120 cSt
• Viscosity @ 100°C: Approximately 15.5 cSt
• Viscosity Index: 140
• Pour Point: -30°C (-22°F)
• Flash Point: >220°C (428°F)
• Sulfated Ash: ≤1.0%
• Total Base Number (TBN): 10 mg KOH/g
• Packaging Size: 20 Liters

Compatibility

Suitable Engines

• Diesel Engines: Heavy-duty, turbocharged, supercharged, and naturally aspirated engines.
• Emission Systems: Compatible with engines equipped with EGR, SCR, and DPF systems.

Vehicle Types

• Commercial Vehicles: Trucks, buses, and delivery vans.
• Off-Road Equipment: Construction, mining, and agricultural machinery.
• Marine Applications: Suitable for certain marine diesel engines.

OEM Approvals

• Meets Requirements: Designed to meet or exceed OEM specifications—check manufacturer guidelines.
• Not Recommended For: Engines requiring low-viscosity oils (e.g., 5W-30) or specialized lubricants.

Safety Information

Handling

• Avoid Contact: Prevent prolonged skin and eye contact.
• Protective Equipment: Wear gloves and safety glasses when handling.
• Ventilation: Use in well-ventilated areas to avoid inhalation of oil mist.

First Aid Measures

• Eye Contact: Rinse cautiously with water for several minutes.
• Skin Contact: Wash with soap and water. Remove contaminated clothing.
• Inhalation: Move to fresh air if feeling unwell.
• Ingestion: Do not induce vomiting. Seek medical attention immediately.

Storage

• Keep Container Closed: Seal tightly when not in use.
• Store in Cool, Dry Place: Away from direct sunlight and ignition sources.
• Keep Out of Reach of Children: Ensure safety around the home or workshop.

Disposal

• Environmental Protection: Do not discharge into drains or the environment.
• Waste Disposal: Dispose of used oil at authorized collection points.
• Spill Management: Contain spills with absorbent materials and dispose of properly.

Why Choose Marvell Thunder?

Advanced Technology

Marvell Thunder oils are formulated using the latest additive technology to provide superior engine protection and performance.

Quality Assurance

• Rigorous Testing: Subjected to extensive testing to ensure reliability and effectiveness.
• Industry Standards: Meets or exceeds international standards for engine oils.

Customer Support

• Technical Assistance: Expert advice on product selection and application.
• Educational Resources: Access to product information and maintenance tips.

Environmental Responsibility

• Eco-Friendly Formulations: Designed to reduce emissions and improve fuel efficiency.
• Sustainability Initiatives: Committed to environmentally responsible practices.

Additional Resources

Product Data Sheet (PDS)

For detailed technical information, download the Product Data Sheet from our website.

Safety Data Sheet (SDS)

Access the MSDS for comprehensive safety and handling information.

Engine Oil Selection Guide

Use our online guide to find the right oil for your engine based on make, model, and operating conditions.

Find a Dealer

Locate an authorized Marvell dealer near you using our dealer locator tool.