Product Introduction
Medium Load Vehicle Gear Oil GL-4 is a high-performance lubricant designed for medium-load vehicle gearboxes and transmission systems, meeting API GL-4 specifications. Formulated with premium mineral base oils and advanced extreme pressure additives, it delivers exceptional wear protection, load-carrying capacity, and thermal stability for gear systems operating under medium loads and moderate temperatures. This gear oil forms a stable lubricating film to protect gear teeth from wear, scuffing, and pitting, ensuring smooth gear shifting and extending transmission service life. It is widely used in passenger cars, light commercial vehicles, and small trucks with manual transmissions, transaxles, and differential systems, providing reliable lubrication and optimal performance.
Key Features & Material Description
Base material: Refined mineral oil with high viscosity index and thermal stability, maintaining film strength under medium-load conditions.
Additive system: Blended with extreme pressure anti-wear agents, anti-oxidation agents, and corrosion inhibitors to enhance performance in medium-load gear systems.
Technical Parameters
|
Parameter |
Specification |
Test Method |
|
Viscosity Grade |
SAE 80W90 |
SAE J306 |
|
API Classification |
GL-4 |
API 1509 |
|
Kinematic Viscosity (40°C) |
140~160 mm²/s |
GB/T 265 |
|
Flash Point (Open Cup) |
≥ 200°C |
GB/T 3536 |
|
Pour Point |
≤ -15°C |
GB/T 3535 |
|
Load-Carrying Capacity (PB Value) |
≥ 900 N |
GB/T 3142 |
|
Corrosion Resistance (Copper Strip, 100°C, 3H) |
≤ 1 Grade |
GB/T 5096 |
Product Advantages
Excellent wear protection for medium-load gear systems, reducing gear tooth wear, scuffing, and pitting by 30% compared to standard gear oils.
Superior load-carrying capacity and extreme pressure performance, withstanding medium loads and shock loads during gear shifting.
Good thermal stability and oxidation resistance, extending gear oil service life and reducing transmission maintenance costs.
Application Fields
Passenger cars
Manual transmissions and transaxles of passenger cars and hatchbacks.
Light commercial vehicles
Manual transmissions of light trucks and vans.
Small trucks
Gearboxes and differential systems of small pickup trucks and utility vehicles.
Production Process
The production of Medium Load Vehicle Gear Oil GL-4 adheres to strict quality control standards: high-quality mineral base oil is refined through hydrofinishing and solvent extraction to improve viscosity index and thermal stability. The refined base oil is then mixed with a precise ratio of extreme pressure anti-wear agents, anti-oxidation agents, and corrosion inhibitors in a closed blending system. The mixture undergoes vacuum dehydration and multi-stage filtration (3μm precision) to remove impurities and moisture. Each batch is tested for wear protection, load-carrying capacity, and thermal stability to meet API GL-4 and SAE J306 standards.
Packaging & Shipping
Available in 4L plastic canisters, 18L iron drums, 200L standard barrels, or bulk tankers (50-200 tons). All packages are labeled with API certification, product specifications, and MSDS. Shipped via sea, land, or air, with full customs clearance documents provided for international orders. For automotive manufacturers and fleet operators, we offer bulk packaging for cost savings. Store in a cool, dry, well-ventilated warehouse (temperature -5°C~40°C) away from direct sunlight and heat sources. Shelf life: 5 years in unopened packaging.
FAQ
Q: Is this oil suitable for manual transmissions of passenger cars?
A: Yes, it is specifically formulated for manual transmissions and transaxles of passenger cars, providing smooth gear shifting and reliable protection.
Q: Can it be used for light commercial vehicles with manual transmissions?
A: Yes, its medium-load capacity makes it ideal for light commercial vehicles operating under moderate loads.
Q: What is the recommended oil change interval for vehicle gearboxes?
A: For passenger cars, the interval is 60,000 km or 4 years; for light commercial vehicles, it is 40,000 km or 3 years.
Customer Feedback"We use Medium Load Vehicle Gear Oil GL-4 in our fleet of light commercial vehicles with manual transmissions. The oil's wear protection and load-carrying capacity ensure smooth gear shifting, and transmission maintenance costs have decreased by 25% compared to using standard gear oils!" - A logistics company in Zhejiang, China.
Company Services
Professional technical consultation to determine the right gear oil for your vehicle transmission system.
On-site support for oil change training and transmission maintenance guidance.
Bulk order discounts and flexible payment terms (T/T, L/C) for automotive manufacturers and fleet operators.
Customized formulations for specific medium-load transmission requirements.
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