Diesel Engine Oil CK-4 15W-40 – Heavy-Duty Protection for Modern Diesel Engines
Product Description
Specifications and Approvals
- • API CK-4
- • ACEA E9/E11
- • Cummins CES 20086
- • Volvo VDS-4.5
- • Renault RLD-4
- • MB 228.31
- • Cat ECF-3
- • DQC Ⅲ-10 LA
- • Mack EO-S 4.5
- • MTU Type 2.1
- • DFS 93K222
- • JASO DH-
Performance Benefits
-
• Emission System CompatibilityAdvanced low-ash technology ensures compatibility with modern emission systems including DPF and SCR.
It meets extended oil drain interval requirements of major OEMs such as Mercedes-Benz, MAN, DAF, and Volvo,
helping reduce maintenance costs and improve operational efficiency. -
• Outstanding Engine CleanlinessHigh-performance detergent additives effectively prevent carbon deposits and sludge formation,
maintaining engine cleanliness and ensuring stable long-term performance. -
• Superior Anti-Wear ProtectionAdvanced anti-wear additives protect critical engine components including pistons, cylinder liners, and valve trains,
significantly extending engine service life under heavy-duty conditions.
Applications Of Diesel Engine Oil CK-4 15W-40
Applications
This diesel engine oil is designed for modern heavy-duty diesel engines requiring reliable lubrication performance under high load and severe operating conditions.
Heavy-duty trucks and buses
Ideal for long-haul transportation and commercial fleets requiring stable engine protection and extended drain intervals.
Construction and mining equipment
Suitable for excavators, loaders, and mining machinery operating in extreme dust and load conditions.
Agricultural machinery
Provides reliable lubrication for tractors, harvesters, and farm equipment under variable field environments.
Power generation systems
Ensures stable performance in diesel generator sets and stationary engines operating continuously.
Recommended for engines requiring API CK-4 / ACEA E9 / E11 performance level and low-SAPS lubrication technology.
FAQ
What is CK-4 15W-40 diesel engine oil used for?
It is designed for modern four-stroke diesel engines used in trucks, buses, construction machinery, and industrial equipment, providing excellent protection under heavy-duty conditions.
Is CK-4 15W-40 suitable for heavy-duty applications?
Yes, it is formulated for high-load and long-distance operations including mining, logistics, and industrial engines.
Is it compatible with DPF and SCR systems?
Yes, its low-SAPS formulation ensures safe use with modern aftertreatment systems such as DPF and SCR.
Do you support OEM or private label services?
Yes, we offer OEM and private label solutions including customized packaging and branding.
Can I order in bulk?
Yes, bulk supply is available in 18L, 200L, and customized packaging for distributors and industrial buyers.
Looking for a Reliable Diesel Engine Oil Supplier?
YUANGEN provides high-performance CK-4 15W-40 diesel engine oil for global distributors, wholesalers, and industrial users.
✔ Stable quality for bulk supply
✔ OEM / Private Label service available
✔ Fast international delivery
✔ Technical support for application selection
Contact us today to get a customized quotation and technical support for your diesel engine oil requirements.
Related Diesel Engine Oils
CK-4 10W-30 Diesel Engine Oil
CK-4 10W-40 Diesel Engine Oil
CK-4 15W-40 Diesel Engine Oil
CK-4 20W-50 Diesel Engine Oil
Typical Test Data
Test Item | Result | Method |
Density (20℃), kg/m³ | 868 | ASTM D4052 |
Kinematic Viscosity (100℃) mm²/s | 15.3 | ASTM D445 |
Kinematic Viscosity (40℃) mm²/s | 111.5 | ASTM D445 |
Viscosity Index | 144 | ASTM D2270 |
Pour Point, ℃ | -36 | ASTM D97 |
Flash Point (COC), ℃ | 236 | ASTM D92 |
Viscosity, Cold Crank (-20℃), mPa.s | 6050 | ASTM D5293 |
Base Number, mg KOH/g | 10 | ASTM D2896 |
Sulfated Ash, mass% | 0.98 | 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.