DEXRON-VI Archives - Transmission Digest
The Path of Least Resistance: The Future of Transmission Fluids

The company goes on to say that the development of DEXRON-VI was the first time an automotive company worked so closely with petroleum and additive companies to develop a new fluid. The companies GM was referring to are Petro-Canada Lubricants, which provides the base stock of the fluid, and Afton Chemical Corp., which supplies the fluid’s additive package.