Diesel Engine Oil CI-4 10W-30 S10 for Heavy-Duty Diesel Engines & EGR Equipment
Product Description
Specifications and Approvals
- • API CI-4/SL
Performance Benefits of CI-4 10W-30 S10 Diesel Engine Oil
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• Excellent anti-wear performanceHelps reduce wear on pistons, camshafts, bearings, and valve train components under heavy-load working conditions, extending engine service life and reducing unexpected downtime.
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• Strong Soot & Deposit ControlKeeps engine internals cleaner by controlling soot thickening, sludge formation, and carbon deposits commonly found in EGR diesel engines.
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• Stable High-Temperature PerformanceMaintains lubrication stability during long operating hours in hot climates, construction sites, mining areas, and heavy transportation applications.
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• Improved Cold Start FlowThe 10W-30 viscosity grade provides faster oil circulation during cold starts, helping reduce startup wear and improve engine response.
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• Oxidation ResistanceHelps maintain oil viscosity stability and reduces oil degradation during continuous heavy-duty operation.
Applications of CI-4 10W-30 S10 Diesel Engine Oil
Applications
CI-4 10W-30 S10 diesel engine oil is recommended for heavy-duty trucks, logistics fleets, construction machinery, earthmoving equipment, agricultural tractors, buses, commercial diesel vehicles, and power generation equipment. It is especially suitable for diesel engines equipped with EGR systems operating under high-load and high-temperature conditions.
In demanding working environments such as long operating hours, stop-and-go transportation, dusty mining sites, and heavy construction projects, this heavy-duty diesel engine oil helps reduce engine wear, sludge buildup, piston deposits, and lubrication instability. It improves engine cleanliness, operational reliability, fuel efficiency, and maintenance efficiency for industrial diesel equipment requiring API CI-4 engine oil.
For more lubrication solutions, explore our diesel engine oil product range, including CI-4 15W-40 diesel engine oil and synthetic diesel engine oil solutions.
FAQ
What engines is CI-4 10W-30 S10 suitable for?
It is suitable for medium and heavy-duty diesel engines used in trucks, buses, construction machinery, agricultural equipment, generators, and industrial diesel equipment requiring API CI-4 diesel engine oil.
Is this oil suitable for EGR diesel engines?
Yes. The formulation is designed for diesel engines equipped with EGR systems and helps control soot-related deposits, sludge formation, and engine wear.
What are the advantages of 10W-30 viscosity?
10W-30 provides excellent cold-start fluidity while maintaining reliable lubrication protection under heavy-duty operating conditions and high engine temperatures.
Can this oil help reduce engine deposits?
Yes. Its detergent and dispersant additive system helps reduce sludge, piston deposits, soot buildup, and carbon accumulation inside diesel engines.
Do you provide OEM or private label services?
Yes. We support OEM and private label solutions, including customized packaging, branding, labeling, and bulk supply services for global distributors and wholesalers.
Where can I learn more about diesel engine oil standards?
You can refer to the official API diesel engine oil specifications for engine oil classifications and performance standards.
Looking for a Reliable CI-4 Diesel Engine Oil Supplier?
YUANGEN Petrochemical supplies high-performance CI-4 10W-30 diesel engine oil for distributors, wholesalers, contractors, fleet operators, and industrial users worldwide.
✔ Stable bulk supply capacity for global markets
✔ OEM / Private Label diesel engine oil solutions
✔ International logistics and export support
✔ Technical guidance for heavy-duty diesel engines
✔ Customized packaging solutions for distributors
Contact us today for pricing, technical specifications, or customized lubrication solutions for trucks, construction machinery, agricultural equipment, and industrial diesel engines.
Learn more about diesel lubrication technology from the SAE International and American Petroleum Institute (API).
Typical Test Data
Test Item | Result | Method |
Density (20℃), kg/m³ | 862 | ASTM D4052 |
Kinematic Viscosity (100℃) mm²/s | 11.5 | ASTM D445 |
Kinematic Viscosity (40℃) mm²/s | 77 | ASTM D445 |
Viscosity Index | 142 | ASTM D2270 |
Pour Point, ℃ | -39 | ASTM D97 |
Flash Point (COC), ℃ | 230 | ASTM D92 |
Viscosity, Cold Crank (-25℃), mPa.s | 6250 | ASTM D5293 |
Base Number, mg KOH/g | 12.8 | ASTM D2896 |
Sulfated Ash, mass% | 1.6 | ASTM D874 |
Health, Safety & Environment
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.