Umbaran mobile heavy cannon (UMHC) was a model of walker used by Umbarans during the Clone Wars, and later by the Imperial Army during the Galactic Civil War. It was heavily armored, and had an articulated electromagnetic plasma cannon mounted on top of its dome-like body.
- Star Wars: The Clone Wars – "The General" (First appearance)
- Star Wars: The Clone Wars – "Plan of Dissent" (Appears in flashback(s))
- Star Wars: Commander
- (First identified as Umbaran mobile heavy cannon)