HD40 API SP/CD Diesel Engine OiL
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HD40 API SP/CD Diesel Engine OiL

Typical Properties

Property Typical Value Unit Notes
Viscosity @ 40 °C 120 – 130 cSt Kinematic viscosity for engine protection
Viscosity @ 100 °C 13 – 15 cSt Ensures smooth operation at high engine temperatures
HTHS Viscosity @ 150 °C ≥ 3.5 mPa·s High-Temperature High-Shear viscosity for wear protection
Viscosity Index (VI) 120 – 130 — Stability over temperature range
Pour Point ≤ -18 °C The lowest temperature at which the oil still flows
Flash Point (COC) ≥ 230 °C Temperature at which vapors ignite
Total Base Number (TBN) 8 – 10 mg KOH/g Measures the oil’s ability to neutralize acids
Sulfated Ash ≤ 1.0 % wt Indicator of detergent and dispersant content
Density @ 15 °C ~ 0.880 – 0.890 g/cm³ Density of the oil at 15°C
Foam Tendency (Seq I–III) Pass — Ensures resistance to foaming under high pressure and temperature
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HD40 API SP/CD Diesel Engine Oil is a high-performance, multi-grade engine lubricant designed to meet the stringent requirements of modern diesel engines. This oil is formulated with premium base oils and a robust additive package, providing superior protection under both high and low-temperature operating conditions.

Applications

  • Heavy-Duty Diesel Engines: Used in trucks, buses, and off-highway vehicles that operate under heavy loads and high temperatures.

  • High-Performance Diesel Engines: Suitable for both naturally aspirated and turbocharged engines.

  • Marine Diesel Engines: For auxiliary and propulsion systems in marine environments.

  • Power Generation: Diesel engines used in power plants and backup generators.

  • Construction & Agricultural Equipment: Engines in construction, mining, and agricultural machinery.

Key Benefits

  1. Superior Wear Protection
    Advanced anti-wear additives protect critical engine parts, including pistons, rings, and bearings, reducing friction and extending engine life.

  2. High Oxidation & Thermal Stability
    Formulated to resist oil breakdown, preventing the formation of sludge and varnish, ensuring engine cleanliness even under high-temperature conditions.

  3. Excellent Cold-Start Protection
    The oil’s multi-grade properties (40-weight) ensure easy start-ups in cold environments, offering low-temperature flow for quicker lubrication during cold starts.

  4. Superior Engine Cleanliness
    The detergent-dispersant additive system helps keep engine parts clean by preventing carbon and soot deposits from forming, especially in high-stress environments.

  5. Enhanced TBN and Acid Neutralization
    High Total Base Number (TBN) effectively neutralizes harmful acids formed during combustion, preventing corrosion and ensuring long engine life.

  6. Foam Control
    The oil resists foam formation under high pressures, ensuring stable lubrication and reducing wear during high-speed engine operation.

Formulation

  • Base Oils: Premium mineral or synthetic base oils selected for their excellent shear stability, oxidation resistance, and overall performance.

  • Additives: A comprehensive blend of anti-wear agents (ZDDP), detergents, dispersants, corrosion inhibitors, antioxidants, and anti-foam agents.

Meets or Exceeds

  • API SP (for modern gasoline and diesel engines)

  • API CD (for older diesel engines)

  • ACEA E7 (European heavy-duty diesel engine specification)

  • OEM Approvals: Meets the requirements of various engine manufacturers, including Cummins, Caterpillar, Volvo, and more.

Packaging

Available in 5 L, 10 L, 20 L, and 205 L containers to meet the needs of both small and large operators.

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