Castrol VECTON Long Drain 10W-40 E8/E11 – Heavy Duty Diesel Engine Oil Product Overview Castrol VECTON Long Drain 10W-40 E8/E11 is a premium he…
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Castrol VECTON Long Drain 10W-40 E8/E11 is a premium heavy-duty diesel engine oil engineered to deliver extended drain capability, superior wear protection and enhanced engine durability in modern low-emission engines. Developed with advanced System Pro Technology, this lubricant adapts to changing engine conditions, maintaining performance under high load, extreme temperatures and extended service intervals.
Modern diesel engines, particularly those operating under Euro VI emission standards, require lubricants capable of managing higher thermal stress, increased soot levels and complex after-treatment systems such as DPF (Diesel Particulate Filters), SCR (Selective Catalytic Reduction) and EGR (Exhaust Gas Recirculation). Castrol VECTON Long Drain 10W-40 E8/E11 is formulated to meet these challenges by providing excellent oxidation resistance, soot control and low ash characteristics.
The 10W-40 viscosity grade offers a balanced performance profile, delivering strong oil film protection at high temperatures while ensuring rapid circulation at start-up. This makes it suitable for both long-haul transport and stop-start fleet operations, providing consistent lubrication across a wide range of working conditions.
This product is ideal for fleet operators, transport companies, mining operations, agricultural users and workshops requiring a reliable, long-drain diesel engine oil that supports modern engine technologies while reducing maintenance costs and downtime.
Castrol VECTON Long Drain 10W-40 E8/E11 meets or exceeds the following international standards and OEM requirements:
These approvals confirm compatibility with modern heavy-duty diesel engines equipped with advanced emission control systems.
Formulated to support long drain intervals under OEM-approved conditions, reducing maintenance downtime and lowering operating costs.
Adapts to increased temperature, oxidation, deposits and acid build-up, ensuring consistent performance throughout the oil drain cycle.
Keeps soot particles finely dispersed to prevent sludge formation, protecting engine components and maintaining efficiency.
Protects critical components such as camshafts, bearings and pistons from wear under high load and high temperature conditions.
Reduced sulphated ash, phosphorus and sulphur levels protect after-treatment devices including DPF and SCR systems.
Resists oil thickening and breakdown, ensuring consistent viscosity and extended oil life.
Optimised viscosity helps reduce friction losses, contributing to improved fuel economy.
Provides fast oil circulation during cold starts, reducing initial wear and ensuring engine protection from the moment of ignition.
Castrol VECTON Long Drain 10W-40 E8/E11 is recommended for:
Suitable for both on-road and off-road applications where extended drain performance is required.
| Property | Typical Value |
|---|---|
| SAE Viscosity Grade | 10W-40 |
| Density @ 15°C | ~0.86 g/cm³ |
| Kinematic Viscosity @ 40°C | ~95 mm²/s |
| Kinematic Viscosity @ 100°C | ~14.5 mm²/s |
| Viscosity Index | ~150 |
| Pour Point | ~-33 °C |
| Flash Point | >220 °C |
| TBN | ~10 mg KOH/g |
| Sulphated Ash | ≤1.0% |
Typical values only and may vary slightly.
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