SAE J647 – Automatic Transmissions – Schematic Diagrams

The following schematic diagrams reflect various methods of illustrating automotive transmission arrangements. These have been developed to facilitate a clear understanding of the functional interrelations of the gearing clutches hydrodynamic drive unit and other transmission components.

Two variations of transmission diagrams are used: in neutral (clutches not applied) and in gear. For illustrative purposes some typical transmissions are shown.

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