Diesel Engine Oil CK-4 20W-50 | Heavy-Duty Diesel Engine Oil for Trucks & Machinery

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Diesel Engine Oil CK-4 20W-50 – Heavy-Duty Engine Protection

Product Description

Diesel Engine Oil CK-4 20W-50 is a premium heavy-duty diesel engine oil formulated with highly refined base oils and advanced additive technology to provide outstanding wear protection, oxidation resistance, and engine cleanliness. Designed for modern diesel engines equipped with DPF and SCR aftertreatment systems, this low-SAPS CK-4 engine oil helps reduce deposits, extend engine life, and support longer oil drain intervals. Suitable for heavy-duty trucks, buses, construction machinery, mining equipment, agricultural machinery, and diesel generator sets, CK-4 20W-50 delivers reliable lubrication performance under high-load and high-temperature operating conditions. It meets API CK-4 and major OEM requirements, making it an ideal choice for fleet operators, distributors, and industrial customers seeking dependable diesel engine protection. YUANGEN CK-4 20W-50 diesel engine oil is available in 18L pails and 200L drums, with OEM and private label solutions available for global distributors and wholesale markets.

• Packaging: 18L, 200L

• Customized packaging available upon request.

Diesel Engine Oil CK-4 20W-50 – Heavy-Duty Engine Protection

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-2

Performance Benefits

• Compatibility with Emission Systems

Meets the long oil change interval requirements of mainstream automobile manufacturers such as Mercedes-Benz, MAN, DAF, Volvo, etc. Allows maintainers to optimize maintenance schedule and control maintenance costs by extending oil drain interval.
• Outstanding Cleaning Performance

The advanced formulation guarantees engine cleanliness and effectively prevents carbon deposits in cylinders, thereby extending oil change intervals whilst ensuring engine durability.
• Low wear

Unique anti-wear additives help to meet the anti-wear requirements of most European, American and Japanese engine manufacturers, helping to reduce the wear of piston cylinder liner and valve mechanism to extend the engine life.

Applications of Diesel Engine Oil CK-4 20W-50

Applications

This diesel engine oil is designed for modern heavy-duty diesel engines equipped with aftertreatment systems, providing reliable lubrication under severe operating conditions.

Heavy-Duty Trucks & Buses

Ideal for long-haul transportation, fleet trucks, and buses requiring extended oil drain intervals and stable engine protection.

Construction & Mining Equipment

Suitable for excavators, loaders, and mining machinery operating under high load and harsh environments.

Agricultural Machinery

Provides reliable lubrication for tractors, harvesters, and other farm equipment, ensuring durability in severe conditions.

Power Generation Systems

Ensures stable performance for diesel generator sets and stationary engines under continuous operation.

FAQ

What is CK-4 diesel engine oil used for?

CK-4 diesel engine oil is formulated for high-speed, four-stroke diesel engines in trucks, buses, construction equipment, and industrial machinery, providing superior wear protection and emission compliance.

Which viscosity grade is recommended?

CK-4 20W-50 is ideal for high-temperature, heavy-load diesel engines requiring extended oil drain intervals.

Is this oil suitable for heavy-duty industrial applications?

Yes, CK-4 20W-50 is formulated for long-haul transportation, mining, agricultural, and stationary engines.

Do you provide OEM or private label services?

Yes, YUANGEN offers OEM and private label solutions, including customized packaging and branding for global distributors.

Can I purchase in bulk?

Bulk supply is available in 18L and 200L drums, suitable for distributors and industrial use.

Looking for a Reliable Diesel Engine Oil Supplier?

YUANGEN provides high-performance CK-4 diesel engine oils for distributors,
wholesalers, fleet operators, and industrial customers worldwide.
Whether you need bulk supply, OEM manufacturing, or private label solutions,
our team can help you find the right lubricant for your market and equipment requirements.

✔ OEM & Private Label Solutions
✔ Bulk Supply Available
✔ Stable Quality Assurance
✔ Global Export Support
✔ Technical Consultation

Explore our complete CK-4 product range:CK-4 10W-30 Diesel Engine Oil,CK-4 10W-40 Diesel Engine Oil,CK-4 15W-40 Diesel Engine Oil,
andCK-4 20W-50 Diesel Engine Oil.

Learn more about ourOEM & Private Label Engine Oil Servicesor visit ourContact Uspage to request a quotation.

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	878.7	ASTM D4052
Kinematic Viscosity (100℃) mm²/s	20.16	ASTM D445
Kinematic Viscosity (40℃) mm²/s	189.9	ASTM D445
Viscosity Index	124	ASTM D2270
Pour Point, ℃	-27	ASTM D97
Flash Point (COC), ℃	236	ASTM D92
Viscosity, Cold Crank (-15℃), mPa.s	8272	ASTM D5293
Total Base Number, mg KOH/g	9.6	ASTM D2896
Sulfated Ash, mass%	0.99	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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For data security, YUANGEN does not disclose detailed product information on this website. Please briefly describe your equipment and application, and our technical team will review your request, provide accurate product specifications, and offer guidance on equipment compatibility.

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