Diesel Engine Oil CI-4 20W-50 for Heavy-Duty Diesel Engines
产品说明
Specifications and Approvals
- • API CI-4/SL
- • ACEA E7
- • Cummins CES- 20078
- • Cummins CES- 20077
- • Cummins CES- 20076
- • Volvo VDS-3
- • JASO DH-1
- • CAT ECF-2
- • MAN M 3275
- • MB Approval 228.3
- • Mark EO-N
- • Renault RVI RLD-2
- • MTU Type 2
- • DEUTZ DQC III-18
- • Detroit Diesel DDC 93K215
- • |Global DHD-1
Performance Benefits
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• Excellent Wear ProtectionProtects engine components under heavy load conditions
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• Superior Soot ControlMaintains viscosity stability and reduces sludge formation
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• Improved Fuel EfficiencyReliable performance in extreme heat environments
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• Improved Fuel EfficiencyHelps reduce fuel consumption and operating costs
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• Outstanding Engine CleanlinessPrevents deposits and extends engine life
Applications
Applications of CI-4 20W-50 Diesel Engine Oil
CI-4 20W-50 diesel engine oil is a high-performance heavy duty engine oil designed for diesel engines operating under high load, high temperature, and harsh working conditions.
Heavy-duty trucks and long-haul transport vehicles
Construction machinery such as excavators and loaders
Mining equipment operating under extreme conditions
Agricultural machinery including tractors and harvesters
Industrial diesel generators and power systems
Recommended for engines requiring API CI-4 performance level, ensuring reliable protection and long service life.
This diesel engine oil is widely used in construction machinery applications and heavy-duty diesel engines.
Which Engines Use CI-4 20W-50 Diesel Engine Oil?
CI-4 20W-50 diesel engine oil is suitable for heavy-duty diesel engines used in trucks, construction equipment, mining machinery, and industrial applications.
It is especially ideal for engines operating in high-temperature environments or under continuous heavy loads, where stronger oil film protection is required.
CI-4 20W-50 vs 15W-40 Diesel Engine Oil
Compared with 15W-40 engine oil, 20W-50 diesel engine oil provides higher viscosity and stronger oil film protection.
Higher viscosity – Better protection under extreme temperatures
Stronger oil film – Suitable for heavy-load engines
Improved durability – Ideal for harsh working environments
Therefore, 20W-50 engine oil is more suitable for high-temperature regions and severe operating conditions.
FAQ – CI-4 20W-50 Diesel Engine Oil
What is CI-4 20W-50 diesel engine oil used for?
It is used for heavy-duty diesel engines such as trucks, construction machinery, and mining equipment.
Is 20W-50 suitable for hot climates?
Yes, 20W-50 provides excellent high-temperature stability and is ideal for hot environments.
Can this oil be used in excavators?
Yes, it is widely used in excavators and heavy equipment.
Are you a diesel engine oil manufacturer or supplier?
Yes, we are a professional diesel engine oil manufacturer offering OEM and bulk supply services.
Looking for a Reliable Diesel Engine Oil Manufacturer?
YUANGEN Petrochemical is a professional diesel engine oil manufacturer and supplier providing CI-4 20W-50 diesel engine oil to global distributors and industrial clients.
✔ Bulk supply with stable quality
✔ OEM / Private Label services
✔ Fast international delivery
✔ Technical support
Contact us now to get quotation and product details.
Explore More Diesel Engine Oil Products
Discover our full range of diesel engine oil products, including CI-4, CF-4, and CH-4 engine oils designed for trucks, construction machinery, and industrial applications.
Typical Test Data
Test Item | Result | Method |
Density (20℃), kg/m³ | 878 | ASTM D4052 |
Kinematic Viscosity (100℃) mm²/s | 20.6 | ASTM D445 |
Kinematic Viscosity (40℃) mm²/s | 184 | ASTM D445 |
Viscosity Index | 131 | ASTM D2270 |
Pour Point, ℃ | -32 | ASTM D97 |
Flash Point (COC), ℃ | 242 | ASTM D92 |
Viscosity, Cold Crank (-15℃), mPa.s | 7850 | ASTM D5293 |
Base Number, mg KOH/g | 11.5 | ASTM D2896 |
Sulfated Ash, mass% | 1.39 | 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.