Diesel Engine Oil CI-4 5W-40 for Heavy-Duty Diesel Engines
产品说明
Specifications and Approvals
- • API CI-4/SL
- • ACEA E7
- • Cummins CES- 20078
- • Volvo VDS-3
- • JASO DH-1
- • Caterpillar ECF-2
- • MAN M 3275
- • MB Approval 228.3
Performance Benefits of CI-4 5W-40 Diesel Engine Oil
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• Excellent anti-wear protectionReduces engine wear and extends service life.
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• Outstanding soot dispersancyControls sludge and deposits, keeping engines clean.
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• Superior oxidation stabilityMaintains oil performance under high temperatures.
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• Extended oil drain intervalReduces maintenance frequency and operating costs.
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• Excellent low-temperature fluidityEnsures fast startup and reduces cold-start wear.
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• High thermal stabilityMaintains viscosity under extreme operating conditions.
Applications of CI-4 5W-40 Diesel Engine Oil
Applications
CI-4 5W-40 Diesel Engine Oil is recommended for
high-speed four-stroke diesel engines requiring
API CI-4 performance level.
Suitable for: heavy-duty trucks, buses, logistics fleets, construction machinery, mining equipment, agricultural machinery, and power generation systems.
Ideal for engines operating in
severe working conditions including high load, high temperature, long operating hours, and extended oil drain intervals.
FAQ
What is CI-4 5W-40 diesel engine oil used for?
It is designed for heavy-duty diesel engines operating under severe conditions and extended oil drain intervals.
What are the advantages of 5W-40 viscosity?
5W-40 offers excellent low-temperature startup performance and strong high-temperature protection.
Is CI-4 better than CH-4 or CF-4?
Yes, CI-4 provides improved soot control, oxidation resistance, and wear protection compared to earlier API grades.
Can it be used in construction and mining equipment?
Yes, it is ideal for heavy-duty applications such as construction machinery, mining equipment, and industrial engines.
Do you support OEM or private label?
Yes, we provide OEM and private label solutions with customized packaging and branding.
Looking for a Reliable CI-4 Diesel Engine Oil Supplier?
YUANGEN Petrochemical supplies premium
CI-4 5W-40 full synthetic diesel engine oil worldwide.
✔ Bulk supply with stable quality
✔ OEM / Private Label customization
✔ Fast global delivery
✔ Professional technical support
Contact us today to get a quotation.
Related Diesel Engine Oils
Typical Test Data
Test Item |
Result |
Method |
Density (20℃), kg/m³ |
0.855 |
ASTM D4052 |
Kinematic Viscosity (100℃) mm²/s |
14.3 |
ASTM D445 |
Kinematic Viscosity (40℃) mm²/s |
87.1 |
ASTM D445 |
Viscosity Index |
171 |
ASTM D2270 |
Pour Point, ℃ |
-45 |
ASTM D97 |
Flash Point (COC), ℃ |
228 |
ASTM D92 |
Viscosity, Cold Crank (-30℃), mPa.s |
5850 |
ASTM D5293 |
Base Number, mg KOH/g |
10.5 |
ASTM D2896 |
Sulfated Ash, mass% |
1.2 |
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.