SOLAR PREMIUM SERIES DIESEL ENGINE OIL 20W50 API CI-4

Description

SOLAR PREMIUM 20W50 is a high-performance fully synthetic diesel engine oil formulated to provide exceptional protection, durability, and thermal stability for heavy-duty diesel engines operating under extreme conditions. Meeting API CI-4 specifications, this premium oil offers enhanced oxidation stability, wear protection, and superior soot handling to maximize engine performance and longevity.

Manufactured with high-quality synthetic base oils and an advanced additive package, SOLAR PREMIUM 20W50 is designed to withstand high-temperature operations, heavy loads, and severe driving conditions. It is particularly suitable for older diesel engines, high-mileage commercial vehicles, and off-road equipment where higher viscosity is required for better protection.

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 trucks, buses, construction equipment, and agricultural machinery.
Recommended for off-highway vehicles, mining equipment, and industrial diesel generators.
Ideal for older diesel engines requiring a higher viscosity oil for added protection.
Compatible with turbocharged and naturally aspirated diesel engines meeting API CI-4 standards.
Suitable for high-mileage vehicles operating in extreme temperature conditions.

Features & Benefits

Superior Wear Protection – Ensures long-lasting engine durability.
Exceptional Oxidation & Thermal Stability – Prevents oil breakdown and deposits.
Enhanced Soot & Sludge Control – Keeps the engine clean and efficient.
Extended Drain Intervals – Reduces downtime and maintenance costs.
Excellent High-Temperature Protection – Ideal for hot climates and heavy-duty operations.
Enhanced Lubrication for Older Engines – Reduces oil consumption and maintains viscosity.
Resistant to Shear Breakdown – Maintains optimal performance under extreme conditions.

Recommended for Vehicles & Assemblies Requiring

API CI-4, CH-4, CG-4, CF-4, CF or equivalent.
ACEA E7, E5, E3 standards.
ILSAC GF-4 equivalent for fuel efficiency benefits.
Meets or exceeds OEM requirements for Cummins, Caterpillar, Detroit Diesel, MAN, Mercedes-Benz, Volvo, Renault Trucks, and other major diesel engine manufacturers.

Key Properties

Physical Properties
Properties	20W50
API / ACEA Classification	API CI-4, ACEA E7/E5/E3
Appearance	Bright & Clear
Specific Gravity @15°C	0.880
Flash Point °C	240
Pour Point °C	-27
Viscosity @40 °C, cSt	155.2
Viscosity @100 °C, cSt	19.2
Viscosity Index	135
Total Base No, mg KOH/g	10.5
Cold Cranking Viscosity (cP)	7000 @ -15°C
HTHS Viscosity @ 150°C (mPa.s)	4.5