Gear oil

Maxtop offers a diverse range of ‌20+ high-performance gear oils‌ designed for industrial and automotive applications, ensuring optimal protection and efficiency.

‌Key Product Categories:‌

‌Industrial Gear Oils‌
- Medium-duty (L-CKC): Ideal for general industrial gearboxes, providing balanced wear protection.
- Heavy-duty (L-CKD): Enhanced extreme-pressure (EP) additives for high-load and shock-load conditions.
- Worm Gear Oils (L-CKE/P): Specially formulated for high-slip worm gear applications.
‌Automotive Gear Oils‌
- GL-5 (Heavy-duty): Superior protection for hypoid gears and high-stress differentials.
- GL-4 (Medium-duty): Designed for manual transmissions and moderate-load axles.
‌Specialty Gear Lubricants‌
- Synthetic & semi-synthetic options for extreme temperatures.
- Food-grade and biodegradable variants for sensitive environments.

‌Performance Advantages:‌

✔ ‌Exceptional wear protection‌ – Minimizes friction and extends gear life.
✔ ‌Thermal & oxidation stability‌ – Resists sludge formation under harsh conditions.
✔ ‌Corrosion & rust inhibition‌ – Protects metal surfaces in humid or wet environments.
✔ ‌Global compliance‌ – Meets ‌ISO, AGMA, API, and OEM specifications‌.

Maxtop gear oils are trusted by industries worldwide for ‌reliable performance, reduced downtime, and cost-effective maintenance‌. Whether for heavy machinery, wind turbines, or automotive drivetrains, we provide the right lubrication solution.

Medium Duty Industrial Gear Oil (L-CKC)

Medium Duty Industrial Gear Oil

L-CKC medium load industrial gear oil developed and produced by Maestor has good lubricity.
The use of electric heating rod to directly heat oil products in high cold areas will not produce coke, and there will be no sediment in the oil.
It is suitable for various types of industrial gear boxes and has no corrosion effect on gear materials.
Excellent anti-oxidation stability, reduce oil aging, prolong oil change cycle, reduce maintenance costs.
Reduce foam generation, improve lubrication effect and prevent foam from affecting equipment operation.
Stable at high temperatures to prevent sludge and oxide formation.

Applications

Chemical, steel and energy industries: Provide reliable lubrication protection for industrial gearboxes to ensure the normal operation of equipment.
General industrial equipment: such as fans, pumps, etc., to provide lubrication support.
Small construction machinery: provide lubrication protection for reducer and gearbox to ensure the normal operation of equipment.
Vehicle-type reduction gear box: provides lubrication support to improve equipment life.
Paper machinery: suitable for high temperature, requiring high resistance to emulsification gear. Suitable for gear transmission in ships with large temperature changes. Suitable for high temperature, extreme pressure performance requirements of mining machinery.

Heavy Duty Industrial Gear Oil (L-CKD)

Heavy Duty Industrial Gear Oil

Good bearing capacity, ensure smooth gear operation, reduce gear abrasion, effectively reduce running noise.
Good thermal stability, strong oxidation resistance, can reduce the production of various harmful oxides and sludge.
Effectively inhibit the corrosive wear of components.
Good oil-water separation ability and foam resistance, long service life.
In winter, the use of electric heating rod to assist the heating of gear oil will not form carbon deposits around the electric heating rod, nor will mud and sediment form in the gear oil.
Stable at high temperatures to prevent sludge and oxide formation.

Applications

Suitable for gears with tooth surface contact stress less than 1100N/mm² and heavy-duty gears requiring oil with excellent anti-emulsification properties; Suitable for steel, cement, electric power, mining and other industries in the working conditions are extremely harsh, high temperature impact water parts of the closed gear transmission system; Suitable for spur gear, helical gear, spiral bevel gear, bearing and so on as a whole circulation lubrication system.

Synthetic heavy duty industrial gear oil

Superior viscosity-temperature performance‌ – Ensures smooth operation across extreme temperatures.‌
Excellent thermal & oxidation stability‌ – Extends oil life and reduces harmful deposits.
Enhanced anti-corrosion & anti-foaming‌ – Protects gears from rust and wear damage.
Exceptional load-carrying capacity‌ – Minimizes gear scuffing and noise under heavy loads.‌
No carbon deposits with electric heating‌ – Maintains cleanliness in ultra-cold conditions.

Applications

It is suitable for gear equipment in various harsh working conditions, especially in situations where low-temperature fluidity and water separation performance are required to be higher, such as heavy-load closed gear transmission systems in mining, metallurgy, cement and other industries. The operating temperature range is: -20℃~120℃, and can reach 130℃ in a short period of time.

Fully synthetic heavy-duty industrial gear oil

Excellent viscosity-temperature performance, extremely low cold start protection.
Excellent low-temperature fluidity performance protects the gearbox from starting and operating normally at low temperatures.
Excellent heat resistance and stability to prevent oil from deteriorating at high temperatures.
Good extreme pressure and anti-wear performance, reducing gearbox wear.
It will not coke or deposit when used for a long time at high temperature.
When used in high-cold areas, no coking products will form on the surface of the auxiliary electric heating rod heater, and no sediment, colloid or asphalt will be produced in the oil, which has an extremely long.

Applications

Heavy industry transmission system
Steel/mining: mill gearbox, car drive axle (load >100 tons), to cope with high impact loads.
Cement/paper: mill gears, dryer bearings to prevent oil film oxidation failure.
extreme environment device
Polar operations: Port cranes to ensure low temperature mobility.
High temperature furnace: glass production line transmission device to provide long-term lubrication protection.
Precision machinery
Wind power generation: yaw reducer, spindle gear box (vibration load), reduce tooth surface micro-pitting.
Rail transit: Locomotive gear transmission system (high precision), compatible with sputtering lubrication and circulation systems.
Long cycle lubrication requirements
Closed gear box (oil change cycle 4-6 years), reduce downtime maintenance frequency

Heavy-duty vehicle gear oil (GL-5)

Heavy-duty vehicle gear oil

This product has outstanding anti-wear properties and can quickly form a durable super-hard protective film on the gear surface, effectively reducing wear and providing comprehensive lubrication protection for vehicles traveling on various road conditions.
Highly active extreme pressure additives provide effective protection for the front and rear axles and wheel gears of heavy-loaded vehicles.
Prevent gear wear and scratches and extend equipment service life.
Prevents corrosion of ferrous and non-ferrous parts.
Avoid premature failure and equipment damage due to seal wear and oil leakage caused by deposits.

Applications

Heavy-duty trucks: Provide lubrication protection for rear axle gears to ensure proper operation of equipment.
Construction machinery: such as excavators, loaders, etc., to provide lubrication support.
Mining vehicles: provide lubrication protection for the gearbox to ensure the normal operation of the equipment.
Off-road vehicle: lubricates the front and rear drive axle and power output system.

Gear bearing circulating oil (PAG type)

Gear bearing circulating oil

Excellent viscosity-temperature performance.
Oil status can be measured: through oil detection (such as iron content, viscosity changes) to predict equipment failure.
Excellent low-temperature fluidity ensures the normal start-up and operation of the gearbox at low temperatures. Excellent heat-resistant stability prevents oil from deteriorating at high temperatures. Good extreme pressure and anti-wear properties reduce gearbox wear. No coking or sedimentation when used for a long time at high temperatures.
Compared with mineral oil gear oil, it can improve efficiency, reduce power consumption, reduce wear, extend service life and oil change cycle, thereby reducing maintenance costs and energy consumption.

Applications

Gearboxes, bearings, circulating oil systems, hydraulic systems, high temperature applications, low temperature start-up, food and beverage industry, automotive industry, paper industry, textile industry, chemical industry.

ATF automatic transmission fluid

It has excellent friction improvement performance and outstanding shear stability.
Maintains stable friction characteristics.
Reduces the operating resistance of the transmission system.
Ensures smooth speed shifting of the vehicle under various harsh environments.
Significantly improves the effectiveness of oil changes.
Comprehensively protects the transmission, and ensures efficient power output.

Applications

It is suitable for various luxury cars and light trucks with automatic transmissions, as well as for the transmission cases of large loaders, power steering systems, transfer cases of agricultural machinery, and as the working medium for various torque sensors, hydraulic couplings, power regulating pumps, manual gearboxes and power steering gears.

Anti-coking Heat Transfer Oil (MTD300)

Anti-coking Heat Transfer Oil

‌Superior thermal performance‌ – Outstanding stability prevents coking, maintains conductivity, ensures long service life at high temperatures.
‌Self-cleaning & maintenance-free‌ – Eliminates deposits/clogs, negligible acid/carbon increase, over 10 years without system cleaning.
Energy-saving solution‌ – Excellent cold flow properties, ideal viscosity for efficient heat transfer, minimal oil replenishment.
System protection‌ – Prevents corrosion, maintains stable pressure, compatible with other brands to improve performance.
Ready-to-use convenience‌ – New installations require no pre-heating, simply gradual temperature increase for operation.

Applications

Closed heat transfer oil heating system or open heat transfer oil heating system can be used: the maximum oil film temperature of 320℃, the maximum main body temperature of 300℃. It is recommended that the air contact temperature of the upper slot in the open system be less than 100 ° C.

CVT stepless transmission oil

It has excellent friction improvement performance and outstanding shear stability.
Maintains stable friction characteristics.
Reduces the operating resistance of the transmission system.
Ensures smooth speed shifting of the vehicle under various harsh environments.
Significantly improves the effectiveness of oil changes.
Comprehensively protects the transmission, and ensures efficient power output

Applications

Family economy models: Suitable for compact cars and SUVs equipped with CVT (e.g., Honda, Toyota, Nissan).
Hybrid models: Compatible with CVT systems of hybrid electric vehicles (HEV) and plug – in hybrid electric vehicles (PHEV).
New energy and intelligent driving: Suitable for intelligent CVT systems (e.g., shift – by – wire, AI power distribution).
Commercial vehicles and special vehicles: CVT transmissions for light – duty commercial vehicles (e.g., urban logistics vehicles) to handle frequent starts and stops and load changes. High – torque impact conditions for special vehicles such as all – terrain vehicles (ATV) and snowmobiles.

DCTF dual clutch transmission oil

It has excellent friction improvement performance and outstanding shear stability.
Maintains stable friction characteristics.Reduces the operating resistance of the transmission system.
Ensures smooth speed shifting of the vehicle under various harsh environments.
Significantly improves the effectiveness of oil changes.
Comprehensively protects the transmission, and ensures efficient power output.

Applications

High-performance models in the passenger car field: Suitable for vehicles equipped with dual-clutch transmissions, such as sports cars and coupe sedans (e.g., Porsche PDK, Audi S-Tronic), supporting high-load scenarios like launch control and track driving.
Family and business models: Suitable for the frequent gear-shifting needs in congested urban traffic, optimizing low-speed smoothness and reducing jerks and abnormal noises.
Hybrid and new energy models: Compatible with the DCT system of plug-in hybrid (PHEV) models, coping with the high-torque impact when the motor and engine work together to ensure the stability of the electric drive system.
Special driving environments: In high-temperature and high-humidity areas: Prevent oil oxidation and performance degradation caused by clutch overheating.
Mountainous and hilly roads: Maintain the response speed of the hydraulic system under continuous gear-shifting conditions to avoid power interruption. In extremely cold regions: Quickly build up oil pressure at -30°C to ensure smooth cold starts.

MTF Commercial Vehicle Manual Transmission Fluid

It has excellent gearbox synchronization and shear resistance.
Saves fuel, and can meet the needs of all-weather lubrication in different temperature areas.
Synchronizer compatible formula: Optimized friction coefficient for copper based synchronizer material to avoid copper component corrosion and excessive wear, suitable for mainstream commercial vehicle transmissions such as Fast, Eaton and ZF.
Long-term oil change cycle: the antioxidant performance is increased by 50%, and the recommended oil change cycle is 150,000 kilometers or 2 years (80,000 kilometers for ordinary mineral oil), reducing the cost of fleet operation and maintenance.

Applications

Long-distance freight trucks: to cope with continuous high torque output and complex road conditions, to ensure the reliability of the gearbox in mountainous areas, high-speed and other scenarios. Urban sludge truck/cement tank truck: adapt to frequent start and stop, heavy climbing and dusty environment, prevent abnormal gear wear and oil pollution.
Bus/bus: Optimize the ride comfort under frequent shifting and passenger load changes to reduce driver fatigue. School buses and tour buses: Ensure stable operation of transmissions under high safety requirements and reduce failure rates.
Mine dump truck/loader: withstand high vibration and high impact conditions to prevent gear pitting or spalling caused by oil film rupture. Fire trucks/emergency vehicles: maintain lubrication performance in extreme environments (high temperature, wading) to ensure the execution of emergency tasks.

Hydraulic retarder oil

Suitable viscosity and good viscosity-temperature performance.
Good wear resistance.
Good thermal stability and antioxidant stability.
Good low temperature fluidity.
Reduce brake dust emissions by more than 80%, and some models can save 0.1-0.3L of fuel per 100 km, which is in line with the trend of low-carbon transportation.
Good anti-foaming properties.

Applications

Heavy commercial vehicles
Long downhill sections: When the mountain road continues to brake, it replaces the water spraying device to avoid the risk of brake pad heat decay and tire high temperature puncture.
Urban working conditions: Reduce brake pad wear and reduce maintenance costs in frequent start-stop scenarios.
High-speed cruise: auxiliary engine braking, improve driving safety and comfort.
Engineering vehicle
Mining cars, excavators and other special vehicles in high-load operation, provide stable brake assistance, extend the life of the brake system.
Demand for environmental protection upgrading
Meet the demand for low emission and slow speed solutions for National six emission standard vehicles to reduce brake dust pollution.

Applications

Axle oil

Good oiliness: Axle oil has good oiliness and can work under the conditions of rough journal surface and boundary friction.
Low freezing point: Since trains travel from north to south and the temperature changes greatly, the axle oil is required to have a lower freezing point.
High Viscosity Index:Axle oil has a higher viscosity index to suit different operating temperatures.
Good anti-wear performance: Provides good protectionfor mechanical systems.
High Viscosity Index:Axle oil has a higher viscosity index to suit different operating temperatures.
Excellent anti-rust,anti-corrosion, anti-wear and repair properties:increase the service life of mechanical moving parts

Applications

Rail transport
Train axle: used for lubrication and protection of train axle, improve the durability and safety of train axle.
Subway
Subway axle: used for the lubrication and protection of subway axle, enhance the structural stability and safety of subway vehicles.
Trams
Tram axle: used for the lubrication and protection of tram axles, extending the service life and safety of tram axles.

Bearing oil

Good anti-oxidation stability, long service life; good lubrication performance, effectively reducing wear.
Good anti-rust and anti-corrosion properties, protecting equipment from rust.
Good anti-foaming property, no foaming is easy to be generated during recycling.
Protect the bearing surface to prevent water and corrosive gases from eroding the bearing.
Prolong service life, reduce oil deterioration, reduce equipment failure and maintenance costs caused by oil deterioration.
Reduce foam formation, improve lubrication effect, and ensure the best performance of bearing oil in various working conditions.

Applications

The steel industry
Hot mill: provides good lubrication and cooling under high temperature and high load working conditions.
Cold rolling machine: to ensure the stable operation of the rolling mill, to ensure the rolling accuracy of steel.
Non-ferrous metal processing
Aluminum and copper rolling: provides reliable lubrication for bearings and forms a stable oil film.
Large motor
High-speed rotating parts: A uniform and stable oil film is formed in the bearing system.
Other industries
Textile machinery: lubricates high speed spindles.
Precision machine tools: Provide lubrication for high-speed rotating shafts.