GMNA GMN10055 PDF

1 Scope 1.1 Material Description. This specification covers DEXRONtm-III, H Revision, Automatic Transmission Fluid [referred to as DEXRONtm-III (H) throughout this document] primarily for use in General Motors automatic transmissions. This specification describes, in terms of laboratory and simulated service test results, the requirements for a minimum-performance fluid. The primary requirement is satisfactory performance in normally functioning transmissions under normal and severe conditions.