STP 512 was a compilation of the automotive gear lubricant tests used to define API services GL-4, GL-5 , and GL-6. ... The API Lubricant Service Designations for Automotive Manual Transmissions and Axles allows matching performance ... The API designations as well as other items of information are published in the SAE Handbook under aquot;Axle and Manual Transmission Lubricantsaquot; - SAE J308 Nov.
|Title||:||Laboratory Performance Tests for Automotive Gear Lubricants Intended for API GL-5 Service|
|Publisher||:||ASTM International - 1987|