CK-4 15W-40 Heavy-Duty Diesel Engine Oil

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Heavy-Duty Diesel Engine Oil for Mining and Construction Equipment

Product Description

CK-4 15W-40 is a heavy-duty diesel engine oil designed for modern diesel engines used in construction machinery, mining trucks, dump trucks, loaders, excavators and long-haul fleets. It is formulated to maintain oil film strength, engine cleanliness and wear protection when engines operate under high load, dust, heat and long working hours. For distributors, fleet operators and OEM lubricant programs, this grade is suitable for customers who need a reliable CK-4 diesel oil for mixed heavy-equipment fleets, on-road trucks and off-road machinery. It supports stable performance in severe-duty service while helping control maintenance cost and equipment downtime.

• Packaging: 18L, 200L

• Customized packaging available upon request

CK-4 15W-40 Heavy-Duty Diesel Engine Oil

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 for Mining and Construction Equipment

• Application Fit for Heavy Equipment

Suitable for excavators, wheel loaders, bulldozers, mining trucks, generators and heavy-duty diesel fleets working in dusty, hot or high-load jobsites.
• Protection Under High Load

Low-SAPS additive technology, detergency and anti-wear performance help protect pistons, liners, valve trains and aftertreatment systems under severe operating conditions.
• Maintenance and Uptime Value

Helps reduce unplanned downtime by supporting stable lubrication, cleaner operation and predictable maintenance intervals in demanding fleet environments.
• OEM and Bulk Supply Support

Available for OEM/private label, drums and bulk supply, with technical support for distributors, contractors and fleet maintenance teams.

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

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

Get detailed product specifications and have our technical experts confirm whether this formulation is suitable for your equipment.

ACCESS PRODUCT DATA

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

The product is unlikely to present any significant health or safety hazard when properly used in the recommended application, and good standards of personal hygiene are maintained.
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.

Storage

All packages should be stored under cover. Where outside storage is unavoidable, drums should be laid horizontally to avoid the possible ingress of water and damage to drum markings. Products should not be stored above 60°C, exposed to direct sunlight or freezing conditions.

The indicated properties are typical of those obtained with normal production tolerance and do not constitute a specification. All the information contained in this document is considered accurate as of date of printing, and no warranty or representation, expressed or implied is made as to the accuracy of the data and information in this publication. The information contained herein is subject to change without notice.

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