Universal Tractor Engine, Transmission & Hydraulic Oil 15W-40 (STOU) for Agricultural Equipment
Universal Tractor Engine, Transmission & Hydraulic Oil 15W-40 (STOU) for Agricultural Equipment
Universal Tractor Engine, Transmission & Hydraulic Oil 15W-40 (STOU) for Agricultural Equipment
Mineral 15W-40 Super Tractor Oil Universal for engines, transmissions, hydraulics and wet brakes in agricultural machinery, offering high detergency, EP performance, oxidation resistance and reliable all-season protection.
Key Highlights
Mineral STOU · 15W-40 Viscosity · Engine, Transmission, Hydraulic & Wet Brake Use · High Detergency & Dispersancy · Rust & Corrosion Protection · Excellent EP & Anti-Wear Properties · All-Season Agricultural Performance
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 Styx STOU 15W-40 provides:
- Universal mineral STOU formulation for use in tractor engines, transmissions, hydraulic systems and oil-immersed wet brakes, simplifying lubricant selection and inventory management.
- High level of detergency and dispersancy to maintain cleanliness in engines and gearboxes, reducing sludge and deposit formation under severe agricultural duty cycles.
- Excellent protection from rust and corrosion to safeguard internal components operating in humid, dusty and variable field conditions.
- Excellent Extreme Pressure (EP) properties to protect heavily loaded gears, final drives and transmission components in farm machinery.
- Excellent resistance against oxidation to help preserve oil stability, viscosity and performance over recommended drain intervals.
- Very good protection against wear for engines, gear sets, hydraulic pumps and wet brakes across a wide range of temperatures and loads.
- All-season usability with good cold-start behaviour and stable lubrication film for tractors and off-road agricultural equipment.
Typical specifications and performance levels:
- Engine applications: ACEA E3; API CG-4/CF-4/CE; API SF; MB 227.1.
- Transmission applications: Allison C-4; API GL-4; Case MS 1206/1207/1209; Caterpillar TO-2; CNH MAT 3525/3505; Ford M2C159B/C; Ford M2C86B/C; Ford M2C134D; John Deere J20C/J20D; John Deere J27; MF M1145/1144/1143; MF M1139/1135; NH 030C/024C/410B/420A; NH 82009201; ZF TE-ML 06B/06C/06R/07B.
- Hydraulic applications: Danfoss; Eaton M-2950S; Eaton I-280-S.
- SAE viscosity grade: 15W-40 (other Styx STOU grades available separately in 10W-30, 10W-40 and 15W-30).
Note: Not applicable in diesel engines equipped with Diesel Particulate Filters (DPF) that require low-SAPS engine oils.
| Application Category | Recommended Use |
| Equipment Type | Tractors, harvesters, combines and off-road agricultural machinery with or without turbocharged engines where a universal STOU 15W-40 is specified for engine, transmission and hydraulic systems. |
| System Coverage | Engines, manual transmissions, final drives, hydraulic circuits and oil-immersed wet brakes requiring a multi-functional Super Tractor Oil Universal. |
| Primary Segment | Agricultural oils for mixed-use lubrication across multiple systems in tractors and related equipment, reducing the need for separate engine, gear and hydraulic oils. |
| Usage Type | Daily farm operations, field cultivation, harvesting and transport tasks, including frequent stop-and-go driving and heavy pulling under varied load conditions. |
| Operating Conditions | All-season operation with cold starts, PTO work, heavy draft operations and extended use in dusty, muddy or humid agricultural environments. |
| Key Function | Provide universal lubrication, minimise friction and wear, maintain cleanliness, protect against rust and corrosion and ensure smooth hydraulic and wet brake performance. |
| Specification Requirement | Equipment requiring ACEA E3 and API CG-4/CF-4/CE/SF engine performance alongside API GL-4 and listed OEM transmission and hydraulic specifications for tractors and agricultural machinery. |
| Target Users | Farmers, agricultural contractors, machinery fleets and service workshops seeking one 15W-40 STOU product to simplify maintenance and stock management. |
| Available Packaging | 4L, 5L, 20L and 205L packs suitable for retail sale, workshop use and bulk distribution to agricultural fleets and equipment dealers. |
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.