Model number: ZGMF-X666S
Code name: Legend Gundam
Unit type: prototype attack mobile suit
Manufacturer: ZAFT (Zodiac Alliance of Freedom Treaty)
Operator: ZAFT
First deployment: C.E. 74
Accommodation: pilot only, in standard cockpit in torso
Dimensions: overall height 18.86 meters
Weight: max gross weight 86.02 metric tons
Armor materials: unknown
Powerplant: ultracompact hyper deuterion nuclear reactor, power output rating unknown
Equipment and design features: sensors, range unknown; Variable Phase Shift (VPS) armor; Neutron Jammer Canceler
Fixed armaments: 2 x MMI-GAU26 17.5mm CIWS, fire-linked, mounted in head; 2 x MX2351 “Solidus Fulgor” beam shield generator, mounted on wrists; 2 x MA-M80S “Defiant Kai” beam javelin, stored in legs, hand-carried in use
Optional hand armaments: MA-BAR78F high-energy beam rifle, power rating unknown
Remote weapons: DRAGOON (Disconnected Rapid Armament Group Overlook Operation Network): 2 x (beam spike equipment type): GDU-X7 assault beam machine gun, mounted on backpack; 8 x (general type): GDU-X5 assault beam machine gun, mounted on backpack and waist