90, Ravenol | Manual Transmission Fluid
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Gear oils are abbreviated with GL which stands for Gear Lubricant. Furthermore gear oil is called transmission fluid. It describes the various transmission oil classes with numbers from one to six representing the resistance of the oil. These classes were introduced shortly API by the American Petroleum Institute. The class API GL - 1 includes gear oils for light applications that are not mixed with additives. They are used in bevel gears, worm gears and non-synchronized manual. Oils class API GL - 2 are suitable for use in moderate applications, they usually contain additives that protect against wear. API GL - 3 oils have also been developed for moderate applications, are not recommended for hypoid gears.
Gear oil for matching application
Gear oils with API GL-4 classification, can be used under several conditions. They are suitable for bevel and hypoid gears with small axial offset and are also recommended for non-synchromesh gearboxes. For synchronized manual transmission oils class four is the minimum standard in Europe. API GL-5 gear oils are classified suitable for use under harsh conditions. They are used for lubricating bevel and hypoid gears with large axial offset. In addition they are suitable for use in differentials. Frequently manufacturers use in this type of gear oils various approvals that appropriate oil may be used in this case only in the approved by the manufacturer Gear. This is often found particularly in limited-slip differentials (LS). The specification API GL-6 had been withdrawn, since it was found that API GL-5 gear oils meet the requirements sufficiently.
Ravenol is a trademark of Ravensberger Schmierstoffvertrieb GmbH, located in Werther. High quality lubricants are produced in Germany and sold in the domestic as well as worldwide. After the founding in 1946 Ravenol developed and produced only single-grade engine oils and various cleaning agents. In 1964, after the company's expansion, multigrade oils of SAE classes 10W-30 and 20W-50 have been added to the product range. In the 90s, began the global orientation of the brand Ravenol and the products "Made in Germany" have been distributed internationally. The high product quality is thereby certified by 3 certifications. This is, the ISO / TS 16949 certificate, which includes DIN EN ISO 9001. The ultra-modern Laboratium of Ravenol is certified by DIN EN ISO / IEC 17025. With this high quality standard there are multiple approvals by various OEMs such as Daimler, Chrysler, VW, BMW, Porsche, MAN, Volvo, MTU, Deutz, ZF, Steyr Motors, Cummins, and many other. Furthermore the products of Ravenol are listed in NMMA (National Marine Manufacturers Association) and API (American Petroleum Institute).
A special feature of Ravenol is the CleanSynto formulation. For this purpose, synthetic base oils are blended with premium additives of CleanSynto technology so soot and dirt deposits are reduced. The oils of Ravenol extend the oil change intervals and engine life while reducing operating costs. In addition, the company from East Westphalia has been able to land another technological coup in recent years. With the unique USVO technology the quality of some engine oils could be raised to an even higher level. USVO stands for Ultra Strong Viscosity Oil. Primarily the new technology achieves an extreme stability of the viscosity, which protects the engine even more. This is particularly interesting for high power peaks and longer operation.