• 10w40 API CI-4 PLUS synthetic oil, castrol gtx 10w40 API CI-4 PLUS
  • 10w40 API CI-4 PLUS synthetic oil, castrol gtx 10w40 API CI-4 PLUS
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SOLAR Premium Series Diesel Engine Oils 10W40 API CI-4 PLUS

Description

SOLAR PREMIUM 10W40 is an advanced fully synthetic diesel engine oil engineered to provide superior protection, extended drain intervals, and enhanced fuel efficiency for modern high-performance diesel engines. This premium oil meets the latest API CK-4 specification, ensuring optimal engine cleanliness, wear protection, and emissions system compatibility.

Designed with high-performance synthetic base oils and an advanced additive package, SOLAR PREMIUM 10W40 delivers exceptional oxidation stability, shear resistance, and deposit control, ensuring maximum engine durability under extreme operating conditions. It is formulated for heavy-duty diesel engines operating under severe conditions, including high-load, long-haul, and off-road applications.

Available API
CF-4/SJ
CF-4/SJ
CF-4/SJ
CF-4/SJ
Applications
  • Suitable for heavy-duty diesel engines in commercial trucks, buses, and off-road equipment.
  • Recommended for modern diesel engines with exhaust after-treatment systems (DPF, EGR, SCR).
  • Ideal for construction, mining, agriculture, and industrial diesel engines.
  • Suitable for long-haul trucks, high-load transportation, and severe service conditions.
  • Compatible with turbocharged and naturally aspirated diesel engines requiring API CK-4 specifications.
Features & Benefits

  • Advanced Wear Protection – Minimizes friction and metal-to-metal contact for extended engine life.

  • Outstanding Thermal & Oxidation Stability – Prevents oil breakdown and deposit formation.

  • Extended Drain Intervals – Allows longer oil change intervals in line with OEM recommendations.

  • Superior Soot & Sludge Control – Reduces buildup for cleaner engines.

  • Improved Fuel Economy – Reduces internal friction, enhancing fuel efficiency.

  • Cold Weather Performance – Excellent low-temperature flow properties for quick start-up protection.

  • Emissions System Compatibility – Protects diesel particulate filters (DPF) and exhaust after-treatment systems.

  • High Shear Stability – Maintains viscosity in high-load conditions for improved performance.

Recommended for Vehicles & Assemblies Requiring
  • API CK-4, CJ-4, CI-4+, CI-4, CH-4 or equivalent.
  • ACEA E9, E7, E6 standards.
  • ILSAC GF-5 equivalent for fuel economy benefits.
  • OEM approvals and recommendations for Cummins, Volvo, Mack, Detroit Diesel, Caterpillar, MAN, Mercedes-Benz, Renault Trucks, and other major manufacturers.
Key Properties

Physical Properties

Properties

10W40

API / ACEA Classification

API CK-4, ACEA E9/E7/E6

Appearance

Bright & Clear

Specific Gravity @15°C

0.865

Flash Point °C

230

Pour Point °C

-39

Viscosity @40 °C, cSt

98.5

Viscosity @100 °C, cSt

14.5

Viscosity Index

155

Total Base No, mg KOH/g

10.2

Cold Cranking Viscosity, cP

6200 @ -25°C

HTHS viscosity @ 150 °C, mPa.s

4.0

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