Full Synthetic Heavy-Duty Gear Oil GL-4 75W-80
Full Synthetic Heavy-Duty Gear Oil GL-4 75W-80
Full Synthetic Heavy-Duty Gear Oil GL-4 75W-80
A full synthetic GL-4 75W-80 heavy-duty gear oil designed for smooth shifting, load protection, synchronizer compatibility, and reliable manual transmission performance in trucks, buses, vans, and off-road equipment.
Key Highlights
Full Synthetic Gear Oil · SAE 75W-80 · API GL-4 · Heavy-Duty Manual Transmission · Smooth Shifting · Load Carrying Protection · Synchronizer Compatible · Anti-Wear & Anti-Rust
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 Full Synthetic Heavy-Duty Gear Oil GL-4 75W-80 provides:
- Full synthetic formulation for heavy-duty manual transmission lubrication
- SAE 75W-80 viscosity for smooth gear shifting and stable fluidity
- API GL-4 performance level for synchronized manual gearboxes
- Excellent anti-wear and extreme pressure protection for gears and bearings
- Strong load-carrying capability under moderate to severe operating conditions
- Good frictional properties to support shift comfort and transmission efficiency
- High resistance to oxidation, rust, corrosion, and oil degradation
- Reliable seal compatibility to help reduce leakage and seal deterioration
- Suitable for commercial vehicles, buses, vans, trucks, and off-road equipment
This product is recommended for manual transmissions requiring GL-4 gear oil. It should not be used where API GL-5 gear oil is specifically required unless confirmed by the equipment manufacturer.
| Application Category | Recommended Use |
| Usage Type | Heavy-duty manual transmission lubrication |
| Vehicle Type | Trucks, buses, vans, commercial vehicles, passenger cars |
| Equipment Type | Construction machinery, mining equipment, agricultural machinery |
| Gearbox Type | Synchronized manual transmissions requiring GL-4 gear oil |
| Viscosity Grade | SAE 75W-80 |
| Performance Level | API GL-4 |
| Key Function | Smooth shifting, wear protection, load carrying, rust and corrosion resistance |
| Operating Conditions | Heavy-duty transport, fleet operation, off-road use, high-load service |
| Not Recommended For | Applications requiring API GL-5 gear oil unless approved by the equipment manufacturer |
| Target Users | Fleet operators, lubricant distributors, workshops, commercial vehicle service centers, importers |
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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