Diesel Engine Oil CI-4 5W-40 S10 for Heavy-Duty Diesel Engines
产品说明
Specifications and Approvals
- • API CI-4/SL
Performance Benefits
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• Excellent Cold Start Performance5W rating ensures smooth engine start in low temperatures
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• Superior Wear ProtectionExtends engine life under heavy load conditions
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• Outstanding Engine CleanlinessReduces sludge and carbon deposits
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• Wide Temperature PerformanceStable viscosity in both cold and hot environments
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• Improved Fuel EfficiencyHelps reduce fuel consumption
Applications
Applications of CI-4 5W-40 Diesel Engine Oil
CI-4 5W-40 diesel engine oil is a high-performance synthetic heavy duty engine oil suitable for diesel engines operating in cold climates and variable temperature conditions.
- Heavy-duty trucks and long-haul transport vehicles
- Construction machinery such as excavators and loaders
- Agricultural equipment including tractors and harvesters
- Industrial diesel generators and power systems
Recommended for engines requiring API CI-4 engine oil, providing reliable protection and stable performance.
Which Engines Use CI-4 5W-40 Diesel Engine Oil?
CI-4 5W-40 diesel engine oil is suitable for modern diesel engines used in trucks, construction equipment, and industrial applications.
It is especially ideal for engines operating in cold climates or environments with frequent temperature changes, where reliable cold start and stable lubrication are required.
CI-4 5W-40 vs 15W-40 Diesel Engine Oil
Compared with 15W-40 diesel engine oil, 5W-40 engine oil provides better low-temperature performance and improved cold start capability.
- Better cold start – Suitable for low-temperature environments
- Wider temperature range – Stable performance in varying climates
- Improved fuel efficiency – Reduced internal friction
Therefore, 5W-40 engine oil is more suitable for cold regions and modern diesel engines requiring higher performance lubrication.
FAQ – CI-4 5W-40 Diesel Engine Oil
What is CI-4 5W-40 diesel engine oil used for?
It is used for heavy-duty diesel engines such as trucks, construction machinery, and industrial equipment.
Is 5W-40 engine oil suitable for cold climates?
Yes, 5W-40 provides excellent cold start performance and is ideal for low-temperature environments.
Can this oil be used in excavators?
Yes, it is widely used in excavators, loaders, and heavy equipment.
Are you a diesel engine oil manufacturer or supplier?
Yes, we are a professional diesel engine oil manufacturer providing OEM and bulk supply services.
Looking for a Reliable Diesel Engine Oil Supplier?
YUANGEN Petrochemical is a professional diesel engine oil manufacturer and supplier providing CI-4 5W-40 diesel engine oil for global distributors and industrial clients.
- ✔ Bulk supply with stable quality
- ✔ OEM / Private Label services
- ✔ Fast international delivery
- ✔ Technical support
Contact us today to request a quotation.
Related Diesel Engine Oil Products
- CI-4 15W-40 Diesel Engine Oil
- CI-4 20W-50 Diesel Engine Oil
- CF-4 15W-40 Diesel Engine Oil
- CH-4 15W-40 Diesel Engine Oil
Explore more diesel engine oil products for different applications and operating conditions.
Typical Test Data
Test Item | Result | Method |
Density (20℃), kg/m³ | 855 | ASTM D4052 |
Kinematic Viscosity (100℃) mm²/s | 12.5 | ASTM D445 |
Kinematic Viscosity (40℃) mm²/s | 77 | ASTM D445 |
Viscosity Index | 161 | ASTM D2270 |
Pour Point, ℃ | -40 | ASTM D97 |
Flash Point (COC), ℃ | 228 | 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
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.