• 15W40 API CF-4/SJ diesel oil, 15w40 API CF-4/SJ synthetic diesel oil
  • 15W40 API CF-4/SJ diesel oil, 15w40 API CF-4/SJ synthetic diesel oil
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SOLAR Classic Series Diesel Engine Oils 15W40 API CF-4/SJ

Description

SOLAR CLASSIC SAE 15W40 is a high-performance, heavy-duty multi-grade engine oil designed to provide exceptional protection and durability for diesel engines in demanding applications. Engineered to meet API CH-4 standards, this oil ensures outstanding wear resistance, thermal stability, and deposit control, promoting smoother engine operation and extended service life.

With an advanced detergent-dispersant additive system, SOLAR CLASSIC 15W40 minimizes sludge formation and soot accumulation, keeping engines cleaner while reducing maintenance costs. Its superior oxidation stability, shear resistance, and excellent lubrication properties make it ideal for older diesel engines, commercial fleets, generators, heavy machinery, and industrial plants operating under extreme conditions.

Available API
CF-4/SJ
CF/Sf
CF
CG-4
CD
CD/SF
CC
CB
SB
Applications
  • Recommended for heavy-duty diesel engines in commercial, industrial, and off-road applications.
  • Ideal for trucks, buses, agricultural machinery, construction equipment, and mining vehicles.
  • Suitable for stationary engines, generators, marine engines, and industrial plants requiring SAE 15W40.
  • Compatible with turbocharged, naturally aspirated, and multi-fuel diesel engines.
  • Designed for engines operating in extreme temperature variations that require multi-grade lubrication.
Features & Benefits

  • Superior Wear Protection – Extends engine life under high-load conditions.

  • Enhanced Oxidation & Thermal Stability – Prevents oil breakdown at elevated temperatures.

  • Effective Sludge & Soot Control – Maintains engine cleanliness for better efficiency.

  • Excellent Lubrication & Friction Reduction – Contributes to improved fuel economy and performance.

  • Outstanding Shear Stability – Ensures consistent viscosity and long-lasting protection.

  • Versatile Application – Suitable for diesel engines in commercial vehicles, generators, and industrial equipment.

  • Comprehensive Acid & Corrosion Protection – Shields engine components from premature wear and damage.

Recommended for Vehicles & Assemblies Requiring

  • Designed for engines operating in extreme temperature variations that require multi-grade lubrication.

    Meets or exceeds API CH-4, CG-4, CF-4 or equivalent standards.

  • Compatible with ACEA E3, A3/B3, A3/B4 classifications.

  • Suitable for OEM specifications from Cummins, Caterpillar, Detroit Diesel, MAN, Mercedes-Benz, Volvo, Renault Trucks, and other major manufacturers.

Key Properties

Physical Properties

Properties

15W40

API / ACEA Classification

API CH-4 / SL, ACEA E3/A3/B4

Appearance

Bright & Clear

Specific Gravity @15°C

0.885

Flash Point °C

235

Pour Point °C

-27

Viscosity @40 °C, cSt

110.0

Viscosity @100 °C, cSt

14.8

Viscosity Index

135

Total Base No, mg KOH/g

10.2

Cold Cranking Viscosity, cP

7000 @ -20°C

HTHS viscosity @ 150 °C, mPa.s

4.0

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