The company "Lukoil" is a domestic brand that produces lubricants at a competitive level. Its oils are designed for a variety of mechanisms. The cost of Lukoil products is significantly lower than that of foreign analog companies. This explains the high demand for lubricants presented by the manufacturer.
Lukoil 75W90 transmission oil, reviews of which are provided by experts and experienced users, will allow you to make the right decision about the need to purchase the tool for the gearbox of your car. What features the presented product has will be discussed in detail below.
Application area
The Lukoil 75W90 transmission oil, reviews of which are provided by users and experts in various sources, is intended for the gearbox of passenger cars. The tool contributes to the sliding of gears, reducing their abrasion and wear.
The transmission transmits rotational motion to the wheels of the machine from the crankshaft of the motor. This car system element includes a gearbox, differentials and transfer boxes. When they work, the temperature rises. To prevent overheating and reduce friction, Lukoil developed the TM-4 75W90 series (corresponds to API GL-4 class) and -5 (corresponds to API GL-5 class).
The presented product is widely used in mechanical gearboxes of domestic and foreign cars.
Lubrication Functions
The TM series of Lukoil oils performs several important functions in the vehicle's transmission system. The presented tool protects friction surfaces from premature wear. Metal surfaces are coated with a thin layer of lubricating film. This prevents the appearance of scoring, mechanical damage, as well as jamming of rubbing pairs.
With a decrease in the friction force, more energy is saved. This allows the mechanisms to work with greater efficiency. Also, lubricants are designed to remove excess heat from rubbing parts. This reduces the noise level. Elements of the system do not overheat, work fully.
Another important function of the oils is the prevention of oxidative processes. They do not allow corrosion to form. An Lukoil oil test, conducted in an independent laboratory, showed that this product is fully consistent with the above statements.
Characteristic
Presented oil is a semi-synthetic product. It is used throughout the year, regardless of the ambient temperature. The tool is intended for mechanical gearboxes of cars and trucks, as well as vans and buses. Lukoil oil, the synthetics and mineral base of which are connected by deep hydrocracking, has high performance characteristics.
The mineral base helps to reduce the cost of technology through which Lukoil oil is produced . Synthetics increases the durability of the lubricant, increases its resistance to adverse operating conditions.
The presented product can be used in almost any mechanical gearboxes, including hypoid type ones. The transmission functions fully at low and high ambient temperatures.
Varieties
Presented grease is of two types. The first corresponds to the GL-4 class according to the API system. The price of Lukoil 75W90 oil in this category is about 300 rubles. for 1 liter On sale are cans with a capacity of 4, 18, 50, 216.5 liters. This allows you to apply the presented product both for a single transmission, and in the industrial production of automotive equipment.
The TM-5 series, which corresponds to the GL-5 class by API system, costs a little more. For a canister with a capacity of 1 liter, it will be necessary to give about 320-350 rubles.
The presented varieties of gear oil have a different additive package. These components are manufactured by world leading manufacturers. Such components may contain phosphorus, sulfur. The difference between TM-4 and TM-5 is the number of such additives. In the first variety they are determined up to 4%, and in the second - about 6.5%. The more additives the product contains, the greater the load the transmission can withstand.
The use of oil TM-5
Mineral oil “Lukoil” also contains synthetic components. This allows you to use it in both old and new cars. However, it is recommended that you study the instructions that accompany the vehicle system before operating the facility. The manufacturer indicates what type of gear oil may be used in its gearbox.
If the transmission operates at high loads, high heating temperatures, it is recommended to use the oil “Lukoil” TM-5 series. Its main applications are transfer cases, differentials, and final drives. For domestic cars, oil of the TM-5 series is not used. Its composition is not compatible with the design of the synchronizer. If this requirement is not met, this part will fail.
The Lukoil company investigated the transmission features of foreign cars. Based on the data obtained, the formula for TM-5 was derived. It fully meets the requirements of foreign engineering companies.
Application of TM-4 oil
Transmission oil "Lukoil 75W90" GL-4 has a lower content of phosphorus and sulfur. The TM-4 series was designed specifically for use in gearboxes. Especially often this product is used in domestic cars. Their synchronizers are susceptible to a large number of additives.
Under normal vehicle operating conditions, the TM-4 series fits perfectly. Lubricant of this category fully complies with international standards and requirements, ensures the normal functioning of the gearbox.
When choosing a particular type of lubricant, it is necessary to study the instructions of the manufacturer of the transmission. World engineering industries test various oils under the conditions of their mechanisms. Based on the test results, you can determine whether a particular type of lubricant is suitable for the transmission or not. TM-4 is considered a more versatile tool, so it is used more often.
Technical specifications
The Lukoil oil test, which was conducted by independent laboratories, as well as the data provided by the manufacturer, allow us to draw conclusions about the appropriateness of using the product in the transmission of a particular car.
Consumers often use oil of the TM-4 series. According to the results of the studies, it was found that the viscosity of the oil at 100 ° C is 16.79 units. Experts say that such a result is slightly lower than that of the products of competing companies. However, this indicator is fully consistent with the norm.
The acid number of the lubricant is 0.99. This indicates a long life of the substance. The oil will not oxidize quickly.
Scientists also investigated the dynamic viscosity of the TM-4 lubricant at -40 ° C. The result of the analysis showed that the tool for this parameter is fully consistent with the standard. Dynamic viscosity amounted to 118.7 thousand units (the norm is up to 150 thousand units).
Laboratory research
Oil "Lukoil 75W90", the characteristics of which were studied by scientists in the laboratory, showed good results. For almost all indicators, the result is normal.
Normal during the study was recognized load before welding. The oil showed an excellent result in determining the diameter of wear. It is 0.38 units. Such a result is rare even for a fully synthetic oil.
The composition of the product includes many additives based on sulfur and phosphorus. They contribute to the long-term operation of the transmission. Also, in a laboratory study of the transmission oil presented, a fairly large number of esters were revealed. These components also inhibit the rapid oxidation of oil. This indicates a long period of use of the tool. Its replacement will be carried out quite rarely.
Expert opinion
Oil "Lukoil 75W90" -5 and -4 are recognized by the expert examination as high-quality means that correspond to all standards for servicing the transmission. The study of the infrared spectrum showed that the oil has the basic basis of a hydrocracking product. Both mineral and synthetic components are present.
The main component that prevents the wear of rubbing elements is sulfur. Therefore, when choosing this tool for the transmission of your car, you must find the recommendations of the equipment manufacturer about the possibility of using such service materials in this system.
After the studies, experts agreed that Lukoil oil is a high-quality product with pronounced anti-wear characteristics.
Oil selection
The selection of Lukoil oil must be made in accordance with the requirements of the car manufacturer. The durability and usefulness of the transmission depends on this.
Oil with viscosity characteristics according to SAE 75W90 is intended for operation in the European part of our country. The product tolerates the conditions of hot summers and severe frosts in winter. For a more severe type of climate, it is necessary to select lubricants of a different viscosity class.
The presented grease fully complies with international requirements regarding starting properties and duration of operation. The tool is able to provide complete lubrication of transmission systems at temperatures from +150 to -60º. Under conditions of increased loads, the composition of the product does not lose its characteristics, it provides reliable protection for the transmission system.
Negative reviews
Among the reviews on the presented gear oil, there are many positive comments. However, there are also negative ones. Experts argue that the correct selection of Lukoil oil can protect against many adverse effects.
Some users claim that the oil presented begins to thicken even in frosts of -15 ° C. In this case, a strong noise appears, the gears are difficult to switch. Experts say that today there are many fakes of the presented grease. Therefore, it is necessary to purchase such funds in specialized large stores.
Also, the lubricant will work fully only in the system that is designed for products with a similar composition. Otherwise, the result of the lubrication will be unsatisfactory.
Positive reviews
Lukoil 75W90 transmission oil, which users submit reviews , is marked by an overwhelming number of votes as a quality product. Its fluidity in cold weather is in no way inferior to more expensive imported varieties of consumables. At the same time, Lukoil has an acceptable cost.
In winter, as noted by drivers, this grease ensures stable operation of the transmission. The mechanisms operate quietly and fully. It is extremely rare to change the oil presented. It does not foam, does not fade. The transmission does not wear out, does not corrode and does not overheat. According to many drivers, this is a quality, decent product.
Having examined the features that Lukoil 75W90 gear oil has , expert and consumer reviews , we can note the high quality of the presented product. This lubricant has an optimum ratio of price and quality.