Synthetic API CI-4 15W-40 Heavy Duty Diesel Engine Oil
Synthetic API CI-4 15W-40 Heavy Duty Diesel Engine Oil
Synthetic API CI-4 15W-40 Heavy Duty Diesel Engine Oil
A high-performance 15W-40 heavy-duty diesel engine oil designed for Euro V commercial vehicles requiring extended drain capability and strong soot control performance.
Key Highlights
API CI-4 · SAE 15W-40 · ACEA E4/E7 · Extended Drain Capability · GTL + Chevron Additives
YEFE Synthetic API CI-4 15W-40 Diesel Engine Oil is formulated for heavy-duty diesel engines operating under high load and extended service conditions. Developed with a combination of GTL base oil, Group III base stocks, and Chevron additive technology, this formulation delivers strong soot control, oxidation resistance, and long-term wear protection.
Designed to meet the performance requirements of Euro V diesel vehicles, this oil supports extended drain intervals of approximately 40,000–60,000 km under normal operating conditions. It provides stable viscosity performance and durable oil film strength for commercial vehicles and heavy-duty transport applications.
Packaging & Branding Support
YEFE offers affordable and adaptable customization solutions based on the package solutions and branding presentation that distributors and brand owners can introduce lubricant products easily and in a professional manner.
We plan to offer our customization services as a way of minimizing time-to-market with no compromise in the quality of the products and supply reliability.
Packaging Size Options
To facilitate its presence in the market through various sales channels, YEFE has several sizes of its packaging. The customers have the freedom to use appropriate bottle, drum or bulk oil forms depending on the retail strategy, the scale of distribution as well as the logistics needs.
The packaging is in the form of small retail jars, medium sized containers, large drums and bulk oil supply in workshops or industrial customer use. The combination of the packaging sizes will be manipulated based on the volume of orders and positioning in the market.
Packaging Size Options
To facilitate its presence in the market through various sales channels, YEFE has several sizes of its packaging. The customers have the freedom to use appropriate bottle, drum or bulk oil forms depending on the retail strategy, the scale of distribution as well as the logistics needs.
The packaging is in the form of small retail jars, medium sized containers, large drums and bulk oil supply in workshops or industrial customer use. The combination of the packaging sizes will be manipulated based on the volume of orders and positioning in the market.
This synthetic 15W-40 diesel engine oil meets API CI-4 and ACEA E4/E7 performance standards for heavy-duty diesel engines. The GTL and Group III base oil system provides enhanced oxidation stability and thermal resistance, while the Chevron additive package supports advanced soot dispersion, wear protection, and piston cleanliness.
The formulation is optimized for high-load operation, long-distance transport, and fleet maintenance programs requiring reliable performance and extended oil change intervals.
Industry Standards:
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API CI-4
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ACEA E4 / E7
Selected OEM Specifications:
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DTFR 15B110
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MTU Type 2
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Volvo VDS-3
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Mack EO-N / EO-M Plus
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Renault RLD-2
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Deutz DQC III-18
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Cummins CES 20076 / 20077 / 20078
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Caterpillar ECF-2
| Application Category | Recommended Use |
|---|---|
| Vehicle Type | Heavy-duty diesel trucks |
| Emission Level | Euro V diesel vehicles |
| Engine Type | Turbocharged and naturally aspirated diesel engines |
| Service Interval | 40,000–60,000 km (under standard operating conditions) |
| Operating Conditions | Long-distance transport and high-load commercial operation |
| Target Users | Fleet operators and commercial vehicle owners |
About YEFE | Manufacturer Behind the Product
YEFE (Shenzhen) Lubricating Oil Co., Ltd. is a professional lubricant manufacturer and global supplier based in Guangdong, China. We specialize in the formulation, blending, filling, and private label production of automotive and industrial lubricants.
With automated production lines, standardized operating procedures, and full-process quality traceability, YEFE delivers stable and consistent lubricant products to distributors, importers, and brand owners across South America, Southeast Asia, the Middle East, and Africa.
Every product is supported by laboratory testing and controlled manufacturing processes to ensure viscosity accuracy, oxidation stability, and long-term performance reliability.
Automated blending & filling production lines
Full SAE grades & API standards coverage
In-house quality testing & batch traceability
OEM / ODM support from formula to packaging
Export experience across emerging markets
Frequently Asked Questions
MOQ depends on the product type, packaging size, and customization requirements. YEFE offers flexible MOQs to support market testing, regional launches, and long-term supply programs. Please contact us with your target packaging and market to receive a tailored quotation.
Yes. YEFE provides multiple packaging size options, including small retail bottles, medium containers, large drums, and bulk oil supply. Packaging size combinations can be adjusted based on your sales channel and logistics needs.
Yes. YEFE offers free bottle design and brand packaging design support for OEM and private label customers. This includes label layout and packaging appearance to help ensure a professional, market-ready presentation.
Production lead time varies depending on order volume, packaging selection, and customization requirements. Standard orders typically require several weeks for production. Exact lead time will be confirmed after order details are finalized.
Yes. YEFE provides complete export-ready documentation, including TDS, MSDS, COA, and other required shipping documents. We support international shipments to multiple global markets.
All YEFE products are manufactured using standardized production processes and automated blending systems. Each batch undergoes laboratory testing and quality verification to ensure consistent performance and stable supply.
Yes. YEFE supports trial or initial orders to help customers evaluate product quality, packaging suitability, and market response before scaling up.
You can contact YEFE through the website inquiry form or by email. Our team will assist you with product selection, packaging options, quotation, and order confirmation.