- Volume: 1,000L | 208L | 5L
- Quality level: API GL-5
REPSOL NAVIGATOR GL-5 80W-90
Repsol Navigator GL-5 80W-90 is a premium-quality multi-grade gear oil designed to offer exceptional protection and efficiency for heavy-duty transmission systems. With its excellent load-bearing capacity, wear resistance, and oxidation stability, this gear oil meets the stringent requirements of top manufacturers. It provides superior lubrication, ensures smooth gear changes, and extends the lifespan of gear systems, making it an ideal solution for heavy-duty vehicles and industrial machinery
| No | Information | Unit | Method | Index |
| 1 | SAE viscosity grade | - | - | 80W-90 |
| 2 | Density at 15°C | g/cm3 | ASTM D4052 | 0.894 |
| 3 | Viscosity at 100°C | cSt | ASTM D445 | 13.8 |
| 4 | Viscosity at 40°C | cSt | ASTM D445 | 133 |
| 5 | Viscosity at -40°C | cP | ASTM D2983 | Below 150,000 |
| 6 | Viscosity index | - | ASTM D2270 | 100 |
| 7 | Flash point, open cup | ºC | ASTM D92 | 200 |
| 8 | Freezing point | ºC | ASTM D97 | -30 |
Description
Repsol Navigator GL-5 80W-90 – Optimal Performance for Heavy-Duty Transmissions
Repsol Navigator GL-5 80W-90 is a high-quality multi-grade gear oil developed specifically for hypoid and spiral bevel gear systems requiring API GL-5 standards. This product is formulated to meet the stringent requirements of leading vehicle manufacturers, offering outstanding load-carrying capacity, excellent thermal resistance, and enhanced component protection against wear, ensuring longer gearbox life. It is the ideal choice for heavy-duty transport vehicles, providing smooth and reliable drivetrain operation.
Excellent Load-Bearing and Thermal Resistance
Repsol Navigator GL-5 80W-90 is enriched with Extreme Pressure (EP) additives, allowing the oil to endure high loads and temperatures, making it suitable for hypoid gear systems and differentials. Its high load-bearing capacity ensures optimal protection and minimizes wear, even under challenging conditions.
Enhanced Synchronization for Manual Gearboxes
With a multi-grade formulation, Repsol Navigator GL-5 80W-90 provides better synchronization for manual gearboxes compared to single-grade oils. The low friction between gears, especially in low temperatures, ensures smoother shifting and an improved driving experience, particularly in cold climates.
Superior Wear and Rust Protection
This gear oil offers excellent anti-wear properties, protecting gears and bearings from wear, which extends the gearbox’s lifespan. Additionally, its rust-preventing properties help keep internal components corrosion-free, which is essential in high-humidity and harsh environments.
Outstanding Anti-Aging Properties
The special formulation of Repsol Navigator GL-5 80W-90 provides excellent resistance to aging and oxidation, even under high temperatures. This helps maintain oil quality, reduces the frequency of oil changes, and saves maintenance costs for the user.
Benefits of Using Repsol Navigator GL-5 80W-90
1. Extended Gearbox Lifespan: This oil combines Extreme Pressure additives with anti-wear properties, effectively extending the lifespan of gearboxes and drivetrain components. It reduces scuffing and pitting, offering greater stability and durability for the system.
2. Improved Fuel Efficiency: Reduced friction within the transmission system results in lower energy consumption, improving fuel efficiency. This is especially beneficial for transportation businesses looking to save fuel and reduce operational costs and emissions.
3. Smooth Operation: With stable viscosity and excellent thermal resistance, Repsol Navigator GL-5 80W-90 ensures smooth operation for manual gearboxes and heavy-duty transmission systems. Stable viscosity provides effective lubrication across various temperatures.
4. Reduced Maintenance Costs: The oil’s rust and anti-aging properties help keep gearboxes clean, minimizing deposit formation. This reduces maintenance frequency, ensuring the drivetrain system operates at peak efficiency.
Practical Application
Repsol Navigator GL-5 80W-90 is suitable for various drivetrain systems, especially hypoid gears, differentials, and heavy-duty applications.
- Heavy-Duty Trucks. Designed for trucks requiring load-bearing and optimal protection for transmission and differential systems.
- Industrial Equipment. Protects heavy-duty transmission systems in industrial environments.
- Manual Gearboxes. The friction-reducing properties enhance synchronization for manual gearboxes, reducing wear and increasing longevity.




