The High Grade Universal Century (HGUC) YMS-15 Gyan is a 1/144 Scale kit released in 1999. First 1/144 scale kit to use a detachable clear colored beam effect part for its beam saber.

  • Classification: High Grade Universal Century
  • Lineup no: 002
  • Scale: HG 1/144
  • Franchise: Mobile Suit Gundam 0079

Gunpla Manual / PDF File

Gunpla Information: Gyan

The YMS-15 Gyan is a mobile suit introduced in the anime Mobile Suit Gundam.

Art Box

High Grade 1/144 YMS-15 Gyan
High Grade 1/144 YMS-15 Gyan

Release Info

Release Date: July 16, 1999
Price: ¥800

Principality of Zeon Prototype Close-Combat Mobile Suit

Color Guilde


Gunpla Manual / PDF File

Kit Features

HGUC YMS-15 Gyan (1999)
HGUC YMS-15 Gyan (1999)


  • The head can only rotate on a single ball-joint neck.
  • The arms can Swing on a rod joint and Raise horizontally.
  • The upper elbows can turn.
  • Elbow joints can be bent up to 90 degrees.
  • The manipulators can rotate on a pin-and-socket joint.
  • The waist can only rotate in a very limited manner.
  • The hip joint axis can slightly pull down for some additional leg articulation.
  • The hips are ball-jointed.
  • The Knees are double-jointed.
  • The ankles can slightly tilt.
HGUC 1/144 YMS-15 Gyan
HGUC 1/144 YMS-15 Gyan

Weapons/Other Gimmicks

  • The right hand is swappable.
  • The Beam Saber can be wielded by either the normal or pose-specific right hand.
  • When mounted on the forearm, the shield can be rearranged to face forward.

Tips & Tricks

  • For better results, some or most of the details are needed to be applied/panel-lined with Gundam Markers and/or Mr. Color paints.
  • Topcoat (Mr. Hobby recommended) can be used to protect applied stickers and if any, marking decals and painted details.

If using matte/flat-finish top coat, it is advisable not to spray on the clear/translucent parts can be done by masking or spraying top coat while the said parts are separated

Gundam Information: YMS-15 Gyan

YMS-15 Gyan
YMS-15 Gyan

As the One Year War was coming to an end, the Principality of Zeon stepped up development of a new generation of high performance mobile suits in a last ditch act of desperation. Zeonic Company began development of its powerful MS-14 Gelgoog line, and in response, Zimmad Company designed its own next generation mobile suit. Codenamed the YMS-15 Gyan, Zimmad’s latest entry was intended to complement its already well-performing MS-09R Rick Dom space combat suits. The Gyan’s development was supervised by Zeon’s M’Quve, and he took one of the three YMS-15 prototypes built as his personal mobile suit. However, the Gyan only saw combat once at Side 5’s Texas Colony, as M’Quve used his unit in a one-on-one fight against the Earth Federation Forces’ powerful RX-78-2 Gundam – and lost. With Rick Doms to provide the heavy long-range firepower, the Gyan was built with close combat in mind. Its primary weapon was a powerful beam sword, backed up by a large shield containing 56 individual missile launchers and carrying various bombs and space mines. Despite its high performance as a close combat unit, the Zeon military favored the more well-rounded Gelgoog – particularly since the Gelgoog incorporated the long-range firepower the Gyan lacked – and the Gyan project was dropped. Years later, the Gyan and its knight aesthetic inspired Neo Zeon’s AMX-104 R-Jarja from the First Neo Zeon War in UC 0088.

Technical Data

  • Model number: YMS-15
  • Code name: Gyan
  • Unit type: Prototype general purpose mobile suit
  • Manufacturer: Zimmad Company
  • Operator: Principality of Zeon
  • Accommodation: Pilot only, in standard cockpit in torso
  • Dimensions: Overall height 19.9 meters
  • Weight: Empty 52.7 metric tons; max gross 68.6 metric tons
  • Armor materials: Super hard steel alloy
  • Powerplant: Minovsky type ultracompact fusion reactor, output rated at 1,360 kW
  • Propulsion: Rocket thrusters: 56,200 kg total
  • Equipment and design features: Sensors, range 4,400 meters
  • Fixed armaments: Beam saber, Storage location/Recharge rack unknown, Hand-carried in use
  • Optional fixed armaments: Shield, Mounts 56 x Missile Launcher and 12 x Hide bomb/Space Mine

General information

  • Pilot(s): M’Quve
  • First appearance: Mobile Suit Gundam 0079
  • Original mechanical designer: Kunio Okawara


Beam Saber

Though the Principality military lagged behind the Federation in terms of beam weapon development, it developed numerous excellent beam weapons late in the war. The Gyan’s beam saber had higher output than the standard Federation beam saber, and was specialized for piercing attacks rather than slashing.

Missile Shield

The Gyan is equipped with a large circular shield that not only defend it from beam weapons, but also has offensive capabilities in the form of needle missiles and hide bombs stored within. However, the storing of weapons does lower the shield’s defensive capabilities, making it weaker than other standard mobile suit-use shields.

Needle Missile

A type of micro missile stored in the outer rims of the missile shield, which held a total of 60. They were effective for distraction and intimidation, and could disable an enemy mobile suit with direct hits to the joints.

Hide Bomb

A type of floating mine stored in the middle of the missile shield, which held a total of 25.

Official Images

HGUC YMS-15 Gyan (1999)
HGUC YMS-15 Gyan (1999)
HGUC YMS-15 Gyan (1999)


Tagged in: