Structure

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A structure is a term used to define the body of a Transformer. Without a Personality component, the structure is a lifeless shell. The superstructure is the outer portion of the structure, generally containing components for the transformer's alternate mode, and is often changed during reformatting in accordance with disguise protocols. The substructure contains a transformer's inner workings, and usually includes any special equipment or weapon systems.

A Transformer's structure varied depending on which form their personality inhabited. The Renegade Decepticons when freed by Starscream developed new structures when their personality components were placed in Earth vehicles.

Fiction

Generation 1 cartoon continuity

After being captured, the Renegade Decepticons had their personality components removed from their structures which were destroyed. Starscream's Brigade

From Teletraan I: The Transformers Wiki, a Wikia wiki.