Diesel Engine Oils

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✅ Ideal Applications

  • Heavy-duty diesel trucks, buses, and commercial fleets.

  • Industrial machinery and equipment using diesel powerplants.

  • Off-road and construction vehicles operating under high load or extreme heat.

  • Older and modern diesel vehicles requiring API CI‑4/CH‑4 oils.

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Description

Prado’s Diesel Engine Oils deliver heavy-duty protection with API-CI‑4/CH‑4 certification, suitable for demanding diesel applications. The range from versatile 15W‑40 and 15W‑30 multigrade oils to the high temperature SAE 50 single-grade caters to a variety of fleet, equipment, and climate conditions, offering dependable wear resistance and soot control.

🔧 Product Types

Prado’s Diesel lineup includes multigrade conventional oils engineered for heavy-duty diesel engines:

  • SAE 15W‑40 – An API CI‑4/CH‑4-grade oil formulated for robust protection in heavy-duty fleet and commercial diesel engines

  • SAE 15W‑30 – Offered in API CI‑4/CH‑4 specifications, this slightly lighter-grade oil provides finer viscosity control for modern and older diesel engines.

  • SAE 50 – Prado’s single-grade diesel oil option, ideal for consistently hot operating conditions where a thicker film offers added protection.

🛡️ Key Benefits

  1. Heavy-Duty Wear Protection

    • API CI‑4/CH‑4 certification ensures these oils combat engine wear effectively, thanks to robust additive packages like ZDDP for load-bearing protection.

  2. Stable at High Temperatures

    • The multigrade formulations maintain viscosity under heavy load and thermal stress, preventing breakdown and ensuring consistent lubrication.

  3. Versatile Across Conditions

    • 15W‑40 and 15W‑30 oils suit a wide range of climates and fleet applications, balancing cold start performance with operational protection. SAE 50 shines in hot ambient environments .

  4. Soot and Deposit Control

    • CI‑4 oils are tailored to handle soot from modern, high-output diesel engines, helping reduce deposits and improve component longevity.

  5. Industry-Compliant & Reliable

    • Prado’s diesel oils comply with global API standards, ensuring compatibility with manufacturer warranties and worldwide performance expectations.

🛠️ Choosing the Right Diesel Oil

  • 15W‑40 CI‑4 – A versatile fleet oil suitable for most climates and load conditions.

  • 15W‑30 CI‑4 – Offers slightly better cold-start fluidity and improved fuel efficiency in moderate-temperature settings.

  • SAE 50 – Best for consistent high-temperature environments, e.g., desert construction or mining operations.

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