ATF HD 389 is a high performance automatic transmission fluid designed for use in Allison on-highway heavy-duty transmissions, which require a TES-389 Schedule One ATF. ATF HD 389 is also suitable for use in passenger car, light truck and bus transmissions requiring a DEXRON®-III H fluid.
ATF HD 389 is formulated with Group II base stocks in combination with advanced additive technologies designed to deliver robust oxidation and thermal stability; reliable friction control; good load carrying capability and long-term wear and corrosion protection. ATF HD 389 is formulated to protect against harmful deposit, sludge and varnish formation, offering a long, low maintenance system service life under severe operating conditions.
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