LOCOMOTIVE POWER ATF DEXRON VI is a fully synthetic transmission fluid recommended for use in passenger cars and light truck automatic transmissions that require a GM Dexron VI or earlier generation fluid. Transmissions include the following Aisin Warner models: AW TF-80SC / SD, AWF21, AF40-6, AM6, AW6A-El, TF81SC, AF21, GA6F21WA (Mini).