Gear Lubricant

Gear lubricants protect gears, bearings, and cross-shafts from premature failure, assure reliable equipment operation and increased transmission and differential service life. Gear lubricants achieve this by performing the following vital functions:

Automatic Transmission Fluid

Automatic Transmission Fluids (ATF’s) are among the most complex multifunctional fluids available because they serve many purposes within an automatic transmission. First, it lubricates the gears, bearings and clutch packs. Second, it acts like a fluid coupling inside the torque converter to transmit drive torque from the engine to the transmission input shaft. It also carries hydraulic pressure through the valve body to engage and disengage the clutch packs that change gears.

Engine Lubricant

The main purpose of engine lubricant is to prevent as much metal on metal contact as possible. An engine contains hundreds of moving parts that must be kept separated from each other. If metal surfaces come in contact, wear may occur and friction will increase. With friction comes heat, and heat will warp and distort moving parts. Engine lubricant creates a slick film between metal parts that lets them glide over each other.


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SAE J2360

Increasingly, original equipment manufacturers and end-users are seeking lubricant performance qualities that exceed those of API GL-5. The SAE J2360 is an example of a standard that defines a level of performance beyond API GL-5.

By far the premier standard in common use today, SAE J2360 is a global quality standard specified by many North American OEMs and by growing numbers elsewhere in the world.


American Petroleum Institute (API)

The following information describes API’s automotive gear lubricant, service designations. This system of standards is designed to assist manufacturers and users of automotive equipment in the selection of transmission, transaxle, and axle lubricants based on gear design and operating conditions.


Japanese Automobile Standard Organization (JASO)

In Japan, it has been common practice to use the API Service Classification Standard for quality assurance of automotive diesel engine lubricants products. However, it has been discovered that the API Service Classification Standards are not always applicable to diesel engines designed and manufactured in Japan, due to differences in design between Japan and North American engine manufacturers.

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