Castrol RX SUPER 15W-40 CJ-4/E9 is a premium multi-grade diesel engine oil formulated to provide excellent protection and performance in modern diesel engines, particularly those equipped with after-treatment systems. It is designed to meet the rigorous demands of heavy-duty diesel engines operating in both on-road and off-road environments.

Key Features:

• Advanced Engine Protection: Castrol RX SUPER 15W-40 CJ-4/E9 provides superior protection against wear, oxidation, and corrosion, extending the life of critical engine components.
• Extended Drain Intervals: Formulated to offer longer oil drain intervals, reducing maintenance downtime and operating costs.
• Enhanced Soot Control: Provides excellent control over soot deposits, preventing sludge build-up and maintaining engine cleanliness.
• Compatibility with Emissions Systems: Suitable for engines equipped with Diesel Particulate Filters (DPF), Exhaust Gas Recirculation (EGR), and Selective Catalytic Reduction (SCR) systems, ensuring compliance with modern emissions regulations.
• High Temperature Stability: Ensures reliable engine performance even under high-temperature conditions and heavy loads.

Typical Characteristics:

• Viscosity @ 40°C: 123.0 cSt
• Viscosity @ 100°C: 15.5 cSt
• Viscosity Index: 135
• Pour Point: -39°C
• Flash Point: 230°C
• Density @ 15°C: 0.876 g/mL

Main Applications:

• Heavy-Duty Diesel Engines: Ideal for use in a wide range of heavy-duty diesel engines, including those in trucks, buses, construction equipment, and agricultural machinery.
• Off-Road Equipment: Suitable for engines operating in severe conditions, such as mining and quarrying equipment.
• On-Road Vehicles: Provides reliable protection for long-haul trucks and buses, ensuring optimal performance and durability.
• Engines with Emission Control Systems: Designed for modern diesel engines with advanced after-treatment systems, helping to reduce emissions and maintain compliance with stringent regulations.

Specifications and Approvals:

• API CJ-4
• API CI-4 PLUS, CI-4
• ACEA E9
• Caterpillar ECF-3, ECF-2
• Cummins CES 20081
• Detroit Diesel DFS 93K218
• Mack EO-O Premium Plus
• Mercedes-Benz MB 228.31
• Renault VI RLD-3
• Volvo VDS-4

Benefits:

• Prolonged Engine Life: Offers superior wear protection, reducing engine wear and extending the lifespan of the engine.
• Fuel Economy: Helps improve fuel efficiency, reducing overall fuel consumption.
• Lower Operating Costs: By enabling extended drain intervals and protecting against engine wear, Castrol RX SUPER 15W-40 CJ-4/E9 helps reduce maintenance costs.
• Superior Cleanliness: Keeps engines clean and running smoothly by controlling soot and preventing sludge build-up.