Long Life Diesel Engine Oil CK-4 15W-40 HP | Low SAPS Engine Oil for Euro VI Trucks & Heavy Equipment

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Long Life Diesel Engine Oil CK-4 15W-40 HP

Product Description

Long Life Diesel Engine Oil CK-4 15W-40 HP is a premium heavy-duty diesel engine oil formulated with high-performance synthetic base oils and advanced low-SAPS additive technology. Designed for modern low-emission diesel engines, it provides excellent engine protection while maintaining compatibility with advanced exhaust after-treatment systems. The low-ash formulation helps extend the service life of Diesel Particulate Filters (DPF), Selective Catalytic Reduction (SCR), and Exhaust Gas Recirculation (EGR) systems. It delivers superior wear protection, piston cleanliness, soot control, oxidation resistance, and long-drain performance under severe operating conditions. Suitable for Euro VI and Euro V heavy-duty diesel engines, this product meets the latest API CK-4 and ACEA E6/E9/E11 specifications required by leading global OEMs.

• Packaging: 18L, 200L

• Customized packaging available upon request.

Long Life Diesel Engine Oil CK-4 15W-40 HP

Specifications and Approvals

• API CK-4
• ACEA E6/E9/E11
• Cummins CES 20100/20086
• Volvo VDS-4.5
• MAN M 3775
• MB 228.31/228.51
• Cat ECF-3
• DQC IV-18 LA
• MTU Oil Category 2.1/3.1
• JASO DH-2

Performance Benefits

• Save maintenance costs

Supports extended oil drain intervals specified by leading manufacturers including Mercedes-Benz, MAN, Volvo, and Cummins, helping reduce maintenance frequency and overall operating costs.
• DPF, SCR & EGR System Compatibility

Advanced low-SAPS technology helps minimize ash accumulation and prevents premature blockage of DPF, SCR, and EGR systems, ensuring reliable long-term performance of emission control equipment.
• Comprehensive protection

Provides excellent piston cleanliness, wear protection, sludge control, and oxidation resistance to help extend engine life under demanding working conditions.
• Fuel Economy

Optimized additive technology helps reduce internal engine friction and contributes to improved fuel efficiency while maintaining strong protection under heavy loads.

Applications of Long Life Diesel Engine Oil CK-4 15W-40 HP

Applications

Long Life Diesel Engine Oil CK-4 15W-40 HP is recommended for:

Euro VI heavy-duty trucks
Euro V commercial vehicles
Long-haul transportation fleets
Construction machinery
Excavators
Wheel loaders
Mining equipment
Dump trucks
Diesel generators
Vehicles equipped with DPF, SCR and EGR systems

Suitable for engines manufactured by Mercedes-Benz, MAN, Volvo, Cummins, Caterpillar, Renault Trucks, Scania, Mack and other major OEMs requiring API CK-4 and ACEA E6/E9/E11 performance levels.

Why Choose YUANGEN CK-4 15W-40 HP?

Built for Modern Low-Emission Engines

Designed to protect Euro VI and Euro V diesel engines while maintaining the efficiency of advanced after-treatment systems, including DPF, SCR, and EGR technologies.

Reliable Protection Under Heavy Loads

Provides excellent lubrication performance for transportation fleets, construction machinery, mining equipment, and other heavy-duty applications operating under severe conditions.

Long Drain Performance

Supports extended oil change intervals, helping fleet operators reduce maintenance frequency, minimize downtime, and lower overall operating costs.

Global OEM Compatibility

Meets the performance requirements of leading European, American, and Asian engine manufacturers, making it suitable for a wide range of commercial vehicles and heavy equipment.

Frequently Asked Questions

Is CK-4 15W-40 suitable for Euro VI engines?

Yes. Long Life Diesel Engine Oil CK-4 15W-40 HP is specifically formulated for modern Euro VI and Euro V low-emission diesel engines and meets the latest API CK-4 and ACEA E6/E9/E11 performance requirements.

Can this oil be used in engines equipped with DPF?

Yes. Its low-SAPS formulation is designed to help protect Diesel Particulate Filters (DPF), Selective Catalytic Reduction (SCR), and Exhaust Gas Recirculation (EGR) systems while maintaining engine performance.

What are the benefits of low-SAPS technology?

Low-SAPS technology reduces sulfated ash, phosphorus, and sulfur levels, helping extend the service life of emission control systems while minimizing deposits and maintaining engine cleanliness.

Does CK-4 15W-40 support extended drain intervals?

Yes. The advanced synthetic formulation provides excellent oxidation stability, soot control, and wear protection, supporting extended oil drain intervals according to OEM recommendations.

What equipment can use CK-4 15W-40 HP?

This product is suitable for heavy-duty trucks, long-haul fleets, construction machinery, excavators, wheel loaders, mining equipment, diesel generators, and commercial vehicles requiring API CK-4 performance levels.

Is CK-4 15W-40 suitable for hot climate operation?

Yes. The SAE 15W-40 viscosity grade provides excellent protection in high-temperature environments, making it suitable for demanding operating conditions in the Middle East, Africa, Central Asia, and other hot regions.

Related Products

Need help selecting the right lubricant for your trucks, construction machinery, mining equipment, or diesel generators?Contact our technical team for professional recommendations.

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	15.6	ASTM D445
Kinematic Viscosity (40℃) mm²/s	115.1	ASTM D445
Viscosity Index	143	ASTM D2270
Pour Point, ℃	-36	ASTM D97
Flash Point (COC), ℃	236	ASTM D92
Viscosity, Cold Crank (-20℃), mPa.s	6250	ASTM D5293
Base Number, mg KOH/g	9.9	ASTM D2896
Sulfated Ash, mass%	0.96	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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