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MS-12 Gigan

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MS-12 Gigan

Gigan - Front


Gigan0 - Front

Unit Type

Limited Production Artillery Mobile Suit


Model Number
  • MS-12
First Seen
Last Seen

General Characteristics

Overall Height
  • 16.2 meters53.15 ft
    637.795 in
Head Height
  • 13.9 meters45.604 ft
    547.244 in
Max Weight
  • 101.3 metric tons
Standard Weight
  • 71.1 metric tons
Power Output
  • 736 kW986.992 hp
Pilot Accommodations
  • Pilot only (in standard cockpit in torso)


Max Acceleration
  • 0.47 G
Max Speed
  • 90 km/h55.923 mph (Ground)
  • 3 x Wheels
Rocket Thrusters
  • 48000 kg105,821.856 lb
    52.911 tons
  • 180mm Recoilless Gun
  • 120mm 4-barrel Machine Gun
  • 2 x Vulcan Gun
Special Equipments and Features
  • 2 x Propellent Booster (Sleeves Use)
Optional Equipment
  • Mega Gatling Gun (Sleeves Use)

The MS-12 Gigan was a Principality of Zeon prototype artillery mobile suit from the official MS-X mobile suit variations.

Technology & Combat Characteristics

One of the many mobile suits built under the Pezun Project at Zeon's Pezun space asteroid base, the bizarre MS-12 Gigan was oddly similar in design to the Earth Federation's own RX-75-4 Guntank. Much like the Guntank, the Gigan did not have legs to provide mobility as the vast majority of standard mobile suits did. However, instead of relying on twin caterpillar tracks for locomotion like the Guntank, the Gigan had three large wheels which granted the unit a much higher ground speed.

The Gigan was designed mostly as an anti-air and artillery mobile suit. Its main and most prominent weapon was the 180mm recoilless cannon mounted on the top of the Gigan's head, which served as the weapon of choice for long-range bombardment. For use in close to mid-range combat the Gigan also featured a 120mm four-barrel machine gun mounted in the place of its right forearm, as well as two Vulcan guns mounted in the top of the main body.

In the year U.C. 0096, the surviving Gigan units were modified by The Sleeves for their own use. The Gigans would be reconfigured into a space use variant, this was accomplished by mounting a pair of propellent boosters on the Gigan allowing it to effectively maneuver in a zero gravity environment for an extended period of time. The 120mm 4-barrel Machine Gun was also replaced with the newer Mega Gatling Gun, that was also equipped on their customized MS-21C Dra-C.


  • 180mm Recoilless Gun
  • 120mm 4-barrel Machine Gun
  • Mega Gatling Gun
  • Vulcan Gun

Special Equipment & Features

  • Propellent Boosters


The Gigan was one of the few Pezun Project mobile suits to actually be produced and see use outside of Pezun. The Gigan was mass-produced in small quantities and sent to many of the Principality of Zeon's bases for use as guard and defense units. In U.C. 0096, a number of these mobile suits survived and would be used by "The Sleeves" during the third of the major Neo-Zeon Movements. Due to the fact that The Sleeves lacked the resources to compete with the Earth Federation's production capabilities, they deployed any mobile suit they could get a hold of, even outdated machines as far back as the One Year War. These mobile suits would be refitted for outer space combat, repainted in a new green color scheme and given the distinctive markings featured on many of the mobile suits used by The Sleeves.

Picture Gallery

Notes & Trivia

  • It should be noted that the Gigan was originally slated to appear in the original Mobile Suit Gundam anime, but was cut out when the series was reduced from 52 episodes to 43. In one of Tomino's trademark ironic twists, the original script for the series called for a Gigan with an unnamed pilot to destroy the RX-78-2 Gundam, rather than Char Aznable's MSN-02 Zeong as depicted in the final animated version.


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