Medium Speed Diesel Engine Oil for Marine Trunk Piston Engines – YEFE Marlub 1240
Medium Speed Diesel Engine Oil for Marine Trunk Piston Engines – YEFE Marlub 1240
Medium Speed Diesel Engine Oil for Marine Trunk Piston Engines – YEFE Marlub 1240
Premium medium speed diesel engine oil for marine trunk piston engines running on distillate or light residual fuels up to 1.5% sulfur, offering enhanced engine cleanliness, reduced wear, excellent thermal and oxidative stability, effective corrosion protection and advanced water separation.
Key Highlights
Premium Marine Diesel Engine Oil · Designed for Medium-Speed Trunk Piston Engines · Suitable for Distillate & Light Residual Fuels up to 1.5% Sulfur · Enhanced Piston & Crankcase Cleanliness · Reduced Engine Wear · Outstanding Thermal & Oxidative Stability · Effective Corrosion Protection · Advanced Water Separation & Anti-Corrosion Performance in Saltwater Environments
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.
YEFE Marlub 1240 provides:
- Premium paraffinic base oil formulation tailored for medium-speed trunk piston marine diesel engines.
- Enhanced detergency to promote a higher level of piston and crankcase cleanliness, contributing to overall engine health.
- Improved anti-wear properties to minimise wear on engine components and support prolonged engine life.
- Outstanding thermal and oxidative stability, ensuring consistent and reliable performance at elevated temperatures and under demanding operating conditions.
- Effective corrosion protection against corrosive combustion byproducts, helping maintain the integrity of critical engine parts.
- Advanced water separation (demulsibility) characteristics that efficiently separate water from the oil, while specialised inhibitors deliver anti-corrosion protection in harsh saltwater environments.
Typical specifications and performance levels:
- Performance level: API CF.
- OEM recommendations: Suitable for marine engines from manufacturers such as Daihatsu and Yanmar where this class of lubricant is specified.
- Fuel type: Distillate and light residual fuels containing up to 1.5% sulfur.
- Base oil type: High-quality paraffinic mineral base stocks with marine diesel engine oil additive technology.
| Application Category | Recommended Use |
| Engine Type | Medium-speed trunk piston marine diesel engines operating on distillate or light residual fuels requiring premium CF-level lubrication. |
| Fuel Type | Engines running on distillate and light residual fuels with up to 1.5% sulfur content, typical of marine fuel usage for medium-speed diesel installations. |
| Operating Segment | Marine propulsion and auxiliary engines in vessels using medium-speed trunk piston engines, as well as selected reduction gear systems where this oil class is specified. |
| Operating Conditions | High-output service with sustained medium-speed operation where cleanliness, wear protection, oxidation stability and corrosion resistance are critical. |
| Key Function | Provide reliable lubrication, enhance piston and crankcase cleanliness, minimise wear, protect against corrosion and separate water effectively in marine environments. |
| Protection Requirements | Applications demanding superior detergency, improved anti-wear performance, outstanding thermal and oxidative stability and robust anti-corrosion behaviour. |
| Target Users | Ship owners, fleet operators, marine engineers and shipyards seeking high-quality medium-speed diesel engine oil for trunk piston engines and specified reduction gears. |
| Packaging Availability | Available in 205L drums to support shipboard storage, engine room operations and bulk supply logistics for marine fleets and maritime service providers. |
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
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