CI-4 5W-30 S10 Synthetic Diesel Engine Oil Manufacturer

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CI-4 5W-30 S10 Synthetic Diesel Engine Oil

Product Description

Enhanced Protection for Heavy-Duty Diesel Engines CI-4 5W-30 S10 Synthetic Diesel Engine Oil is formulated with premium synthetic base oils and advanced additive technology to deliver enhanced lubrication performance for medium and heavy-duty diesel engines operating under severe conditions. Compared with standard CI-4 5W-30 formulations, the S10 series offers improved oxidation resistance, engine cleanliness, and wear protection, making it ideal for long-haul trucks, construction equipment, agricultural machinery, and power generation systems. It meets API CI-4/SL specifications and is particularly suitable for diesel engines equipped with Exhaust Gas Recirculation (EGR) systems.

• Packaging: 18L, 200L

• Customized packaging available upon request.

CI-4 5W-30 S10 Synthetic Diesel Engine Oil

Specifications and Approvals

• API CI-4/SL

Performance Benefits

• Advanced Anti-Wear Protection

Helps reduce metal-to-metal contact, minimizing engine wear and extending engine life under heavy-duty conditions.
• Excellent Engine Cleanliness

Prevents sludge, soot, and deposit formation to maintain clean engine components and improve efficiency.
• Thermal and Oxidation Stability

Provides stable lubrication performance under high-temperature operations and reduces oil thickening.
• Cold Start Protection

Its 5W-30 viscosity grade ensures smooth oil flow and reliable engine protection during cold starts.
• Extended Drain Capability

Helps reduce maintenance frequency and lowers operational costs.

Applications of CI-4 5W-30 S10 Synthetic Diesel Engine Oil

Recommended Applications

CI-4 5W-30 S10 Synthetic Diesel Engine Oil is suitable for:

Heavy-duty trucks
Long-haul transportation fleets
Commercial buses
Construction machinery
Excavators
Loaders
Agricultural tractors
Mining equipment
Power generators

Recommended for operating conditions such as:

High-load operations
High-temperature environments
Dusty job sites
Extended service intervals
Continuous heavy-duty operations

Frequently Asked Questions

What is the difference between CI-4 5W-30 and CI-4 5W-30 S10?

CI-4 5W-30 S10 provides enhanced oxidation stability, improved cleanliness, and stronger wear protection compared to standard CI-4 5W-30 formulations.

Is CI-4 5W-30 S10 suitable for EGR diesel engines?

Yes. It is specifically formulated for engines equipped with EGR systems.

Can CI-4 5W-30 S10 be used in heavy construction machinery?

Yes. It is ideal for excavators, loaders, tractors, and mining equipment.

Is this oil suitable for long-haul trucks?

Yes. Its enhanced oxidation resistance makes it suitable for long-distance heavy-duty transportation.

Related Diesel Engine Oil Products

Get detailed product specifications and have our technical experts confirm whether this formulation is suitable for your equipment.

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Typical Test Data

Test Item	Result	Method
Density (20℃), kg/m³	855	ASTM D4052
Kinematic Viscosity (100℃) mm²/s	11.8	ASTM D445
Kinematic Viscosity (40℃) mm²/s	70	ASTM D445
Viscosity Index	165	ASTM D2270
Pour Point, ℃	-44	ASTM D97
Flash Point (COC), ℃	226	ASTM D92
Viscosity, Cold Crank (-30℃), mPa.s	5650	ASTM D5293
Base Number, mg KOH/g	12.8	ASTM D2896
Sulfated Ash, mass%	1.6	ASTM D874

Health, Safety & Environment

The product is unlikely to present any significant health or safety hazard when properly used in the recommended application, and good standards of personal hygiene are maintained.
Avoid contact with skin. Use impervious gloves with used oil. After skin contact, wash immediately with soap and water.
Take used oil to an authorised collection point. Do not discharge into drains, soil or water.

Storage

All packages should be stored under cover. Where outside storage is unavoidable, drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to direct sunlight or freezing conditions.

The indicated properties are typical of those obtained with normal production tolerance and do not constitute a specification. All the information contained in this document is considered accurate as of date of printing, and no warranty or representation, expressed or implied is made as to the accuracy of the data and information in this publication. The information contained herein is subject to change without notice.

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