Longhai Heavy-Duty Gear Oil – Ultimate Protection for Extreme Conditions
Key Features and Benefits
1. Exceptional Thermal Stability
High-Temperature Resistance: Prevents oil breakdown and sludge formation even under sustained heavy loads.
Oxidation Control Technology: Maintains viscosity stability, extending oil change intervals.
Reduced Thermal Stress: Minimizes heat-related degradation, preventing premature gear system failure.
2. Extreme Pressure (EP) Protection
Advanced EP Additives: Form a durable protective film on gear surfaces to prevent metal-to-metal contact.
Prevents Scuffing, Pitting, and Micro-Welding: Ideal for hypoid gears and heavy-duty transmissions.
Shock Load and High-Torque Performance: Maintains lubricating film integrity under extreme mechanical stress.
3. Superior Anti-Wear Performance
Specialized Anti-Wear Additives: Significantly reduce friction between metal components.
Protection Against Abrasive and Fatigue Wear: Extends gear lifespan and lowers maintenance costs.
4. Limited-Slip Differential (LSD) Compatibility
Friction Modifiers: Eliminate chatter and shudder in limited-slip differentials.
Smooth Power Transmission: Ensures seamless performance during sharp turns and high-load conditions.
5. Comprehensive Corrosion Protection
Rust and Corrosion Inhibitors: Shield metal surfaces from moisture and acidic byproducts.
Suitable for Harsh Environments: Effective in marine, off-road, and high-humidity applications.
Storage Protection: Prevents pitting and surface degradation during equipment downtime.
6. Enhanced Efficiency and Longevity
Optimized Viscosity: Reduces fluid friction and energy losses for improved fuel efficiency.
Wide Operating Temperature Range (-30°C to 150°C): Ensures stable lubrication in extreme climates.
Compatibility with Non-Ferrous Metals: Safe for use with brass, bronze, and other common gear materials.
Technical Specifications
API GL-5 Performance Rating
Complies with MIL-PRF-2105E Standards
Available Viscosity Grades: 75W-90, 80W-90, 85W-140
Applications: Manual transmissions, differentials, final drives, and industrial gearboxes.
Recommended Applications
✔ Heavy-Duty Truck and Bus Axles
✔ Mining and Construction Equipment
✔ Agricultural Machinery and Off-Road Vehicles
✔ Industrial Gearboxes Subject to Shock Loading
Why Choose Longhai Heavy-Duty Gear Oil?
Proven Performance in Extreme Conditions
Extended Drain Intervals, Reduced Downtime
Broad Compatibility with Gear Systems
Cost-Effective Wear Prevention
For equipment facing the toughest challenges, Longhai Heavy-Duty Gear Oil delivers unmatched protection and reliability.
Additional Information
Packaging Options: 1L, 4L, 20L, 200L
Shelf Life: 3 years in unopened, original containers
Expanded Technical Insights
Longhai Heavy-Duty Gear Oil is formulated with synthetic base oils and high-performance additives to meet the rigorous demands of modern machinery. Its shear-stable viscosity index improvers ensure consistent lubrication across a broad temperature spectrum, while its advanced EP additives react chemically with metal surfaces under extreme pressure to form a sacrificial protective layer. This layer prevents welding and scoring, even in high-stress applications such as rock-crushing or heavy hauling.
Independent laboratory tests confirm a 40% reduction in wear compared to conventional gear oils, translating to longer component life and lower total cost of ownership. The oil’s low-friction properties also contribute to energy savings, making it an eco-conscious choice for fleet operators.
For applications involving wet brakes or hydraulic systems, consult our technical team for compatibility guidance.
Environmental and Safety Compliance
Biodegradable Additives: Minimize environmental impact in case of leaks.
Non-Toxic Formulation: Safe for use in ecologically sensitive areas.
RoHS and REACH Compliant: Free from hazardous heavy metals.










