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Transmission is one of the most complex and expensive vehicle components, requiring systematic and high-quality maintenance. Despite this fact, some car owners do not attach proper importance to functional units, for which they are calculated later when they fail, with expensive repairs. In order to guarantee the transmission of flawless operation throughout the entire operational period, it is important to timely replace the oils in the functional units, while paying particular attention to the fluid being poured into the system. Based on the range of products on the modern market, even owners of cars with experience often find it difficult to decide which transmission oil is better to buy for your car in order to provide it with uninterrupted functionality. To facilitate the choice of the right lubrication will help the rating of the best automotive products in this category, provided in the article and compiled on the basis of consumer feedback and expert data.
TOP best gear oils.
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Synthetics: the best choices
Before proceeding to the selection of autooil, you should carefully study not only the range of products on the market, but also get acquainted with the requirements of the car manufacturer in terms of the parameters of the fluid to be filled. Each vehicle has a manual, which describes in detail the technical parameters of petroleum products that are suitable for the working units of a particular car. In the user manual, each automaker describes in detail the technical characteristics of consumable liquids that need to be poured into the system for the smooth and reliable operation of each mechanism.
When selecting a lubricant, the main criteria that should be paid attention to are the technical data, specifications, compliance with the viscosity of the lubricant, which are determined by generally accepted standards. When choosing a lubricant, it is also important to consider which modification of the gearbox is on your car, since the autooil for automatic and manual transmissions differ significantly from each other. Consider the best options for synthetic oils for automatic transmission and manual transmission.
Heads the rating of first-class gear oils for manual transmission on a synthetic basis product from the well-known South Korean manufacturer ZIC labeled G-F TOP 75W-90. Against the background of a budget price of approximately five hundred rubles per liter canister, the liquid has a lot of advantages over products of a similar class. The main feature of autooil is low-temperature fluidity, which makes it possible to operate in regions with critical temperature extremes and severe winters. Users note that when filling in the gearbox and the bridges of this lubricant, noise in transmissions during the operation of mechanisms is significantly reduced. ZIC TOP is positioned by manufacturers as a product that provides effective protection against wear, which affects the period of operation of the transmission, stable thermal-oxidative parameters, excellent antifriction performance and compatibility with polymeric materials used for the manufacture of sealing elements.
As the best oil in terms of efficiency for a manual transmission, Motul Gear 300 product is positioned by consumers with viscosity parameters 75W-90. It is specially designed by leading manufacturers of lubricating fluids for use in axles and boxes subjected to heavy loads during their operation. Excellent anti-wear performance and a high level of protection of parts under friction, including shock loads, a decent range of operating temperatures, stability of the oil film under pressure are the main positive qualities of autooil that put it on the leading positions of the rating list. The only lack of liquid car owners call its price, which varies within a thousand one hundred rubles per liter capacity, which does not fit the oil in the category of budget prices.
Not much cheaper (about a thousand rubles) will cost the domestic consumer a liter can of oil from the German manufacturer Liqui Moly with the label High performance transmission oil 75W-90. This product is among the top five as the best in protecting gears against wear. The lubricant has tolerances from many leading automakers, is characterized by compliance with all international requirements, differs from competitors' products with the most powerful anti-friction package, impact on fuel economy 
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Auto oil Castrol Syntrans Transaxle 75W90 buyers rated as the best in its class in terms of price and quality characteristics. The cost of a liter capacity is a little more than seven hundred rubles, while the consumer receives at the same time an emulsion for all transmission assemblies for which GL-4 class lubricants are suitable. Professionals claim that regular use of Castrol significantly prolongs the life of mechanisms, is distinguished by a prolonged operational period and allows, with regular replacements, according to the regulations, to keep important components in perfect order.
Total Trans SYN FE 75W90 is an autooil from a price heading similar to the previous product, positioned by manufacturers as a universal lubricant for transmission mechanisms that need protection. Among the positive characteristics of the experts highlight its excellent anti-foam performance, decent anti-corrosion criteria, thermal stability and prolonged period of service.
When choosing transmission oil for automatic transmissions, the consumer should take into account the purpose of the product for this type of gearbox, as indicated on the packaging ATF marking and the standard Dexron 1, 2 or 3, and the higher the number in the title, the better the lubricant according to quality criteria. The best choice in the case of automatic transmission oils are specific brands of lubricants recommended by car manufacturers, which are considered to be original for the car. In the absence of the possibility of buying the original autooil due to its absence in the free market or the high cost it is worth paying attention to the universal purpose lubricants.
The following options are considered to be the best in the class of universal fluids for automatic transmissions:
- Red Line D6 oil is positioned by professionals as the best option in 2018 for automatic type gearboxes. This universal product has tolerances for operation from many well-known automakers, is characterized by a maximum level of efficiency, corrosion protection, has optimal viscosity criteria, which is reflected in the functionality of the mechanism at the time of gear shifting in a positive direction.
- Royal Purple 01320 Max AT is included in the list of the best synthetic gear oils for automatic transmissions. This product has excellent compatibility with other synthetic oils ATF, good anti-wear properties, excellent performance.
- Mobil-1 Synthetic ATF is a good synthetic oil class, featuring a balanced tandem of affordable prices and excellent technical parameters.
The most effective semi-synthetic lubricants for transmissions
Semi-synthetic motor oils are a kind of hybrid or combined lubricant that combines the average variant between synthetics and mineral water. Characteristics of semi-synthetic petroleum products are significantly higher than the inherent indicators of mineral, while their cost is more democratic than that of one hundred percent "synthetics".
In a situation where synthetic materials are not heavy at the price for a car owner, or are not recommended for bay in transmission units due to age indicators of a car or its large mileage, semi-synthetics is an excellent alternative purchase option. It is worth noting that the assortment of semi-synthetic automotive oils on the market is very diverse, as they are most in demand among domestic buyers. To make the right choice from the range of semi-synthetic products will help rating, which includes the best products from this category, according to expert estimates and customer reviews.
Универсальный продукт от Liqui Moly под названием Hypoid transmission oil TDL 75W-90 является товаром синтетического класса, уверенно входит в ТОП-3 наилучших трансмиссионных масел в 2018 году. Его особенностью является применяемость к разным модификациям приводов, возможность использования как в КПП, так и для редукторов, что исключает необходимость приобретения разных видов смазок для обслуживания системы. Цена за литровую ёмкость нефтепродукта стартует с пятисот рублей, однако, эта стоимость оправдывается в процессе эксплуатации хорошими смазывающими и антикоррозийными показателями, термостабильностью на фоне достойного разброса рабочих температурных режимов, непревзойдёнными антифрикционными и защитными параметрами.
ELF Tranself NFJ 75w-80 gear oil is positioned by professionals as an excellent semi-synthetic type lubricant for machines with manual gearbox. It differs from similar products with the highest anti-seize properties, which makes it possible to use it in extreme conditions of the machine operation, while it is characterized by excellent low-temperature fluidity, constancy of technical quantities throughout the entire period of service.
THK semi-synthetic oil under the label Trans Gipoid Super 75w90 is positioned by professionals as the best in the category of price and quality indicators. It is possible to buy a liter canister in the domestic market for less than three hundred rubles, which is much cheaper than other representatives of products of this series. At the same time, the lubricant has excellent anti-foam and anti-corrosion properties, is applicable for boxes and gearboxes of various modifications, and is compatible with sealing materials for glands and anthers. It shows excellent results when used in difficult climatic and operating conditions, prolonging the life of transmission units.
Mineral oil for transmission: the best product rating
The most purchased in the domestic market are mineral oils of mineral species. This fact is explained in most cases by the budget cost of auto products of this class, since its production does not require significant capital investments. At the same time, mineral-based oils have decent technical parameters, which allow keeping the vehicle's mechanisms in perfect order, protecting them from premature wear. When choosing a mineral product in favor of a mineral product, the consumer should be ready for its more frequent replacement due to the shorter service life compared to the previous series of goods.
Despite the skepticism of some car owners to mineral oil products, under certain circumstances, such as high mileage cars or old years of its production, these products can be the best purchase option, both in terms of performance criteria and technical characteristics. The rating, which includes products that have earned the trust of consumers and positive feedback from experts, will help determine which mineral type of oil is better to buy for your car.
As the best transmission oil from the mineral oil product series by professionals, product Total 75W80 BV is positioned, which is characterized by excellent flow rates against the background of good viscosity, which guarantees the maximum level of protection of working mechanisms. At the same time, the lubricant is distinguished by a long (for mineral oil) operational period, resistance to temperature changes and oxidation, and stability of technical parameters throughout its entire service life. The price for a one-liter capacity in Russia varies from four hundred to five hundred rubles, depending on the region.
When choosing high-quality mineral gear oil, many professionals recommend to pay attention to products from the world-famous manufacturer of lubricants Castrol, namely, the oil product labeled Achilles EPX θ0W90 GL-5. It is designed specifically for machines that operate in difficult conditions, characterized by intensive use of working mechanisms. The oil product has high resistance to thermal oxidation, excellent viscosity criteria and excellent lubricating parameters. The price starts with two hundred and fifty rubles per liter of liquid, which can be called a democratic value against the background of its excellent characteristics.
Low-cost, however, quality oil is a mineral type Lukoil 80W90 TM-4 from a domestic producer. It has proven itself in the process of operation, among the advantages of consumers are its high-performance, decent heat resistance, large-scale operating temperature range, excellent lubricity and anti-wear performance. The cost of a liter canister Lukoil 80W90 is one hundred thirty rubles, which is fully justified by its technical characteristics and a long period of operation.
Let's sum up
Buying a lubricant for the working units of the machine is a responsible task for every car owner. Even the timely replacement of oil in functioning mechanisms, with a bay of poor-quality liquid, will not only not be able to provide them with high-quality protection, but also cause significant harm.
When selecting a transmission fluid, first of all, before buying, it is necessary to focus on the recommendations of the automaker on the technical parameters of the emulsion, since even very high-quality lubricant may be excellent for one car and be unsuitable for another vehicle. The rating provided, which describes the most efficient and reliable autooil from each group of sought-after products, which first-class positioned themselves in the process of operation, will help you decide on your purchase, choose the best transmission oil for your car.
