2024 Author: Erin Ralphs | [email protected]. Last modified: 2024-02-19 11:42
Lukoil is a domestic brand that produces competitive lubricants. Its oils are designed for a variety of mechanisms. The cost of Lukoil products is much lower than that of foreign analogue companies. This explains the high demand for lubricants from this manufacturer.
Gear oil "Lukoil 75W90", reviews of which are provided by experts and experienced users, will allow you to make the right decision about the need to purchase the presented tool for the gearbox of your car. What features the presented product has will be discussed in detail below.
Scope of application
Transmission oil "Lukoil 75W90", reviews of which are provided in various sources by users and experts, is intended for gearboxes of passenger cars. Helps gears slide, reducing wear and tear.
Transmission transmitsrotational movement to the wheels of the machine from the crankshaft of the motor. This element of the vehicle system includes a gearbox, differentials and transfer boxes. As they work, the temperature rises. To prevent overheating and reduce friction, Lukoil has developed the TM-4 75W90 series (corresponds to API GL-4) and TM-5 (corresponds to API GL-5).
The presented product is widely used in manual transmissions of domestic and foreign cars.
Lubrication functions
The Lukoil TM oil series performs several important functions in the vehicle transmission system. The presented tool protects the rubbing surfaces from premature wear. Metal surfaces are covered with a thin layer of lubricating film. This prevents scoring, mechanical damage, and jamming of rubbing pairs.
When friction decreases, more energy is stored. 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. The elements of the system do not overheat, they work fully.
Another important function of the presented oils is the prevention of oxidative processes. They do not allow corrosion to form. A test of Lukoil oils, conducted by an independent laboratory, showed that this product fully complies with the above statements.
Characteristic
The presented oil is semi-syntheticproduct. It is used throughout the year, regardless of the ambient temperature. The product is intended for manual transmissions of cars and trucks, as well as minibuses and buses. Lukoil oil, whose synthetics and mineral base are combined by deep hydrocracking, has high performance characteristics.
The mineral base helps to reduce the cost of technology, thanks to which Lukoil oil is produced. Synthetics increase the durability of the lubricant, enhances its resistance to adverse operating conditions.
This product can be used in almost any manual transmission, including hypoid type. The transmission functions fully at low and high ambient temperatures.
Varieties
The 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 canisters with a capacity of 4, 18, 50, 216.5 liters. This allows the presented product to be used both for one transmission and in the industrial production of automotive equipment.
The TM-5 series, which corresponds to the GL-5 class according to the API system, costs a little more. For a canister with a capacity of 1 liter, you will need to pay about 320-350 rubles.
Presented varieties of gear oil have a different package of additives. These components are madeleading global manufacturers. Such components may contain phosphorus, sulfur. The difference between TM-4 and TM-5 lies in the amount 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.
Using TM-5 oil
Mineral oil "Lukoil" contains in its composition and synthetic components. This allows it to be used in both old and new cars. However, before operating the presented vehicle, it is recommended to study the instructions that came with the vehicle system. The manufacturer specifies which type of gear oil is allowed to be used in its gearbox.
If the transmission operates under increased loads, high heating temperatures, it is recommended to use Lukoil oil of the TM-5 series. Its main areas of application 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.
Company "Lukoil" investigated the features of the transmission of foreign cars. Based on the data obtained, the formula of the TM-5 agent was derived. It fully meets the requirements of foreign engineering companies.
Using TM-4 oil
Transmission oil "Lukoil 75W90" GL-4 contains lessphosphorus and sulfur content. The TM-4 series has been developed specifically for use in gearboxes. Especially often this product is used in domestic cars. Their synchronizers are susceptible to a lot of additives.
Under normal driving conditions, the TM-4 series is ideal. The lubricant in this category fully complies with international standards and requirements, ensures the normal functioning of the gearbox.
When choosing one or another type of lubricant, you must study the instructions of the transmission manufacturer. World machine-building industries test various oils in the conditions of operation of their mechanisms. Based on the test results, it can be established whether a particular type of lubricant is suitable for the transmission or not. TM-4 is considered a more versatile remedy, so it is used more often.
Technical parameters
The test of Lukoil oils, which was carried out by independent laboratories, as well as the data provided by the manufacturer, allow us to draw conclusions about the advisability of using the product in the transmission of a particular car.
Consumers use TM-4 series oil more often. Based on the results of the studies, it was found that the viscosity of the oil at 100ºС is 16.79 units. Experts say that such a result is somewhat lower than that of the products of competing companies. However, this indicator is fully in line with the norm.
The acid number of the lubricant is0.99. This indicates a long service life of the substance. The oil will not oxidize quickly.
The scientists also investigated the dynamic viscosity of the TM-4 lubricant at -40ºС. The result of the analysis showed that the tool in this parameter fully complies with the standard. Dynamic viscosity was 118.7 thousand units (the norm is up to 150 thousand units).
Laboratory studies
Lukoil 75W90 oil, the characteristics of which were studied by scientists in the laboratory, showed good results. In almost all indicators, the result corresponds to the norm.
Normal in the course of the study was recognized as the load before welding. The oil showed excellent results in determining the wear diameter. It is 0.38 units. This result is rare even for a fully synthetic oil.
The composition of the product includes a lot of additives based on sulfur and phosphorus. They contribute to the long life of the transmission. Also, in a laboratory study of the presented gear oil, a fairly large amount of esters was revealed. These components also prevent the rapid oxidation of the oil. This indicates a long period of operation of the tool. It will be rarely replaced.
Expert Opinion
Lukoil 75W90 TM-5 and TM-4 oils are recognized by the expert examination as high-quality means for servicing transmissions that meet all standards. An infrared spectrum study showed that the oil has a hydrocracking product as its base. There are both minerals andsynthetic components.
The main component that prevents wear of rubbing elements is sulfur. Therefore, when choosing this tool for the transmission of your car, you need to look for recommendations from the equipment manufacturer on the possibility of using such service materials in this system.
After the research, experts agreed that Lukoil oil is a high-quality product with pronounced anti-wear characteristics.
Oil selection
Lukoil oil must be selected 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 tool 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 grade.
The presented lubricant fully complies with international requirements regarding starting properties and duration of operation. The tool is able to provide full lubrication of transmission systems at temperatures from +150 to -60ºС. Under conditions of increased loads, the composition of the product does not lose its characteristics, provides reliable protection for the transmission system.
Negative reviews
Among the reviews of the presented transmission oil, there are many positive statements. However, there are also negative ones. Experts say that the correct selection of Lukoil oil can savefrom many adverse effects.
Some users claim that the presented oil begins to thicken even at a frost of -15ºС. At the same time, there is a strong noise, the gears are hard to switch. Experts say that today there are many fakes of the presented lubricant. 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 Feedback
Transmission oil "Lukoil 75W90", reviews of which are submitted by users, was marked by an overwhelming number of votes as a quality product. Its fluidity in frost is in no way inferior to more expensive imported varieties of consumables. At the same time, Lukoil has an acceptable cost.
In winter, as drivers note, this lubricant ensures stable operation of the transmission. Mechanisms function quietly and fully. It is extremely rare to change the presented oil. 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, worthy product.
Having considered the features that Lukoil 75W90 transmission oil has, the reviews of experts and consumers, we can note the high quality of the presented product. This lubricant has the best value for money.
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