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PETROCURE SHIELD SERIES DIESEL ENGINE OIL 20W50 API CI-4/SL

Description

Description

Petrocure Shield 20W50 is a high-performance semi-synthetic (synthetic blend) diesel engine oil developed to provide strong engine protection, good thermal stability, and reliable wear resistance for both diesel and gasoline engines. Formulated to meet API CI-4/SL specifications, this oil offers effective deposit control, reduced engine wear, improved oxidation resistance, and strong soot handling, helping maintain engine cleanliness and longer service life.

Blended with a combination of high-quality synthetic and mineral base oils, Petrocure Shield 20W50 supports extended drain performance, stable viscosity, and dependable lubrication under high-temperature and heavy-load conditions. It is suitable for commercial fleets, heavy-duty trucks, and industrial diesel and gasoline engines.

Available API
CH-4
CH-4/SL
Applications
  • Recommended for heavy-duty diesel engines used in trucks, buses, and construction equipment.

  • Suitable for fleet vehicles, agricultural machinery, and industrial diesel engine applications.

  • Ideal for both turbocharged and naturally aspirated diesel and gasoline engines.

  • Designed for modern engines equipped with EGR (Exhaust Gas Recirculation) and SCR (Selective Catalytic Reduction) systems.

  • Well-suited for high-mileage engines that require strong protection against wear and oil consumption.

Features & Benefits
  • Excellent Wear Protection – Helps reduce engine friction and supports long-term durability.

  • Improved Oxidation & Thermal Stability – Helps prevent oil breakdown and sludge buildup.

  • Extended Drain Capability – Supports longer engine life and reduced maintenance intervals.

  • Effective Soot & Sludge Control – Helps keep engines cleaner and operating efficiently.

  • High Viscosity Index – Maintains reliable performance across a wide temperature range.

  • Strong High-Temperature Protection – Suitable for heavy-duty and high-load operating conditions.

  • Multi-Fleet Compatibility – Designed for use in both diesel and gasoline engines.

  • Improved Fuel Efficiency – Low-friction formulation helps support better fuel economy.

Performance Standards
  • Meets API CI-4, CH-4, CG-4, CF-4, CF for diesel engines and API SL, SJ for gasoline engines, or equivalent specifications.

  • Compatible with ACEA E7, E5, E3 and A3/B3, A3/B4 performance standards.

  • Supports ILSAC GF-4 equivalent benefits for improved fuel efficiency.

  • Suitable for engines from major manufacturers including Cummins, Caterpillar, Detroit Diesel, MAN, Mercedes-Benz, Volvo, Renault Trucks, and other leading engine brands.

Key Properties

Physical Properties

Properties

20W50

API / ACEA Classification

CI-4

Appearance

Bright & Clear

Specific Gravity @15°C

0.865

Flash Point °C

230

Pour Point °C

-30

Viscosity @40 °C, cSt

113.75

Viscosity @100 °C, cSt

14.90

Viscosity Index

136

Total Base No, mg KOH/g

11.50

Cold Cranking Viscosity, cP

6100 @ -20°C