The American Petroleum Institute API service designations are based on the type of service in which components will be used. The designations are utilized by manufacturers to select lubricants for particular gear types and operating conditions. No attempt is made by the API classification system to classify gear oils by physical properties or test performance.
It also recognizes that some lubricants are suitable for a wide range of operating conditions and may be recommended for more than one service designation. Although API designations may be very useful when making general recommendations, manufacturer recommendations should always be consulted to ensure that the lubricant being considered is not prohibited by that manufacturer.
Following are the automotive gear oil classifications:. Designates the type of service characteristics of automobile spiral bevel and worm gear axles as well as some manually operated transmissions operating under such mild conditions of low unit pressures and sliding velocities in which straight mineral oil can be used satisfactorily.
Oxidation and rust inhibitors, defoamers and pour-point depressants may be utilized to improve the characteristics of lubricants for this service. Frictional modifiers and extreme pressure EP agents are not used. This designation is recommended for use in some manual truck transmissions.
Refers to the type of service characteristics of automotive type worm gear axles operating beyond GL It may contain anti-wear and very mild EP agents, and usually includes fatty additives for worm gears.
This service designation is obsolete. Describes the type of service characteristic of manual transmissions and spiral bevel axles operating under moderately severe conditions of speed and load beyond GL-2 but below GL Athena Progear FS 75W offers unsurpassed load carrying capacity, which is […]. Lubetech SAE 90 is an oil blended from carefully selected highly refined paraffinic base oils, which exhibit superior oxidation stability and excellent rust protection.
Athena Multigear 75W Semi-synthetic manual transmission fluid with multiple applications Product code: G Product Description: Athena Multigear 75W is a premium semi-synthetic manual transmission fluid recommended for use in a wide range of passenger cars and vans on the road today. Products search. My Account Sign in Register. Additional information Weight 0.
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