- "One model, the WED-15-ST, is highly upgradable, allowing owners to fit it with specialized arms that enable various repair functions."
The WED 15 Septoid Treadwell, also known simply as the WED droid, was a model of WED Treadwell repair droid. The Galactic Empire used those droids to repair their turrets and structures on the battlefield because they were able to keep working at full efficiency until they were destroyed.
- Star Wars: Force Arena
- Star Wars Battlefront II
- Star Wars: Episode IV A New Hope (First appearance)
- Star Wars: A New Hope junior novelization
- Star Wars: Heroes Path
- "Tales from Wild Space: Gonk"—Star Wars Adventures 8
- Last Shot (Mentioned only)
- Ultimate Star Wars (First identified as WED-15 Septoid Treadwell)
- Star Wars: Complete Locations
- Star Wars Helmet Collection 11 (Weapons & Uniforms: Inhabitants of Tatooine) (Picture only)
- Star Wars: Absolutely Everything You Need to Know, Updated and Expanded
- Star Wars: Droidography
- Star Wars: How Not to Get Eaten by Ewoks and Other Galactic Survival Skills (Picture only)
- Ultimate Star Wars, New Edition (Picture only)