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SOLAR Premium Series Diesel Engine Oils 10W30 API CK-4

Description

SOLAR PREMIUM Fully Synthetic Diesel Engine Oil is a high-performance heavy-duty engine oil formulated with advanced synthetic base oils and cutting-edge additive technology to meet the latest API CK-4 standards. It delivers exceptional protection, fuel efficiency, and extended drain intervals for modern diesel engines operating under severe conditions.

Designed to provide superior resistance to oxidation, wear, and deposit formation, SOLAR PREMIUM ensures outstanding performance in high-load commercial vehicles, off-highway equipment, and diesel-powered light trucks. It is compatible with EGR, SCR, and DPF after-treatment systems, making it an ideal choice for low-emission diesel engines requiring ultra-low sulfur diesel (ULSD) fuel.

Available API
CK-4
CJ-4
CJ-4/SN
CI-4
CI-4/SL
CI-4 PLUS
Applications
  • Suitable for heavy-duty diesel engines in commercial trucks, buses, construction equipment, and agricultural machinery.
  • Ideal for on-road and off-road vehicles operating under high loads and extreme temperatures.
  • Recommended for modern diesel engines with EGR, SCR, and DPF emissions systems.
  • Compatible with biodiesel blends up to B20 and ultra-low sulfur diesel (ULSD) fuels.
  • Suitable for mixed-fleet applications, including diesel and gasoline engines requiring CK-4 specifications.
Features & Benefits
  • Advanced Engine Protection – Protects against wear, deposits, and sludge formation.

  • Extended Drain Intervals – Provides excellent oxidation and thermal stability.

  • Superior Fuel Economy – Low-viscosity formulation reduces internal engine friction.

  • DPF & EGR System Compatibility – Low SAPS technology helps maintain emission control systems.

  • Outstanding Shear Stability – Maintains viscosity and oil integrity under extreme conditions.

  • Cold-Start Performance – Excellent low-temperature properties for rapid lubrication.

  • Reduced Oil Consumption – Minimizes evaporation losses, extending oil life.

Recommended for Vehicles & Assemblies Requiring
  • API CK-4, CJ-4, CI-4 Plus, CI-4, CH-4 or equivalent.

  • ACEA E9, E7, E6, E4 standards.

  • ILSAC GF-5 where applicable.
  • Meets or exceeds OEM requirements for Volvo, Cummins, Caterpillar, Detroit Diesel, Mack, Mercedes-Benz, MAN, Renault, and other heavy-duty engine manufacturers.
Key Properties

Physical Properties

Properties

10W30

API / ACEA Classification

API CK-4, ACEA E9, E7

Appearance

Bright & Clear

Specific Gravity @15°C

0.865

Flash Point °C

228

Pour Point °C

-36

Viscosity @40 °C, cSt

72.5

Viscosity @100 °C, cSt

11.8

Viscosity Index

150

Total Base No, mg KOH/g

10.0

Cold Cranking Viscosity (cP)

6100 @ -25°C

HTHS Viscosity @ 150°C (mPa.s)

3.5