RX-81ST G-Line Standard Armor — Specifications, Lineage & Appearances
RX-81ST

The RX-81ST G-Line Standard Armor is a prototype general-purpose mobile suit from the Universal Century timeline of the Gundam franchise. It was manufactured by Earth Federation. Within the franchise it is considered canon.
Within the story, the RX-81ST G-Line Standard Armor first appears in 0081 U.C.
The RX-81ST G-Line Standard Armor was developed from RX-81 G-Line. It in turn led to 1 derived unit — RX-81FC G-Line Full Custom. Both directions are mapped on the interactive tree above.
The RX-81ST G-Line Standard Armor has appeared in 6 Gundam releases across 1990–2018, debuting in Kunio Okawara Collection (1990). Later appearances include Mobile Suit Gundam Battlefield Record U.C. 0081 -The Wrath of Varuna-, Mobile Suit Gundam: Battlefield Record U.C. 0081, Mobile Suit Zeta Gundam Define and Mobile Suit Gundam: Battle Operation and 1 more.
It was fielded by Earth Federation Forces and Phantom Sweep Corps.
2 Gunpla model kits have been catalogued for the RX-81ST G-Line Standard Armor.
Specifications
- Model number
- RX-81ST
- Classification
- Prototype General-Purpose Mobile Suit
- Manufacturer
- Earth Federation
- Universe
- Universal Century
- Canon status
- canon
- Weight
- 88.50 t
- Power source
- Minovsky Ultracompact Fusion Reactor
- Power output
- 1580 kW 2,118.815 hp
- Armor
- Luna Titanium
- First seen
- 0081 U.C.
Special Equipment & Features
- Parachute Pack
Production Timeline
The RX-81ST G-Line Standard Armor has appeared in 4 releases from 1990 to 2011.
Games featuring the RX-81ST G-Line Standard Armor
The RX-81ST G-Line Standard Armor is playable in 2 Gundam games.
Development Lineage
Developed from
Develops into & variants
RX-81ST G-Line Standard Armor Model Kits
2 catalogued model kits for the RX-81ST G-Line Standard Armor:
See all RX-81ST G-Line Standard Armor kits, prices and community builds
Frequently asked questions about the RX-81ST G-Line Standard Armor
- What is the RX-81ST G-Line Standard Armor?
- The RX-81ST G-Line Standard Armor is a prototype general-purpose mobile suit from the Universal Century timeline of the Gundam franchise. It was manufactured by Earth Federation. It is considered canon within the franchise.
- What was the RX-81ST G-Line Standard Armor developed from?
- The RX-81ST G-Line Standard Armor was developed from RX-81 G-Line. Its full development lineage is mapped on the RX-81ST G-Line Standard Armor evolution tree.
- What mobile suits were developed from the RX-81ST G-Line Standard Armor?
- 1 unit was developed from or built as variants of the RX-81ST G-Line Standard Armor: RX-81FC G-Line Full Custom.
- Which factions operated the RX-81ST G-Line Standard Armor?
- The RX-81ST G-Line Standard Armor was operated by Earth Federation Forces and Phantom Sweep Corps.
- How big is the RX-81ST G-Line Standard Armor?
- The RX-81ST G-Line Standard Armor weighs 88.50 t, produces 1580 kW 2,118.815 hp, is armoured in Luna Titanium.
- Which Gundam series does the RX-81ST G-Line Standard Armor appear in?
- The RX-81ST G-Line Standard Armor appears in 4 Gundam releases, debuting in Kunio Okawara Collection (1990): Kunio Okawara Collection, Mobile Suit Gundam Battlefield Record U.C. 0081 -The Wrath of Varuna-, Mobile Suit Gundam: Battlefield Record U.C. 0081 and Mobile Suit Zeta Gundam Define.
- Which Gundam games is the RX-81ST G-Line Standard Armor in?
- The RX-81ST G-Line Standard Armor is playable in 2 Gundam games: Mobile Suit Gundam: Battle Operation and Mobile Suit Gundam: Battle Operation 2. It originally appeared in Kunio Okawara Collection (1990), not in a game.
- Are there Gunpla model kits of the RX-81ST G-Line Standard Armor?
- Yes — 2 model kits are catalogued for the RX-81ST G-Line Standard Armor, listed with grade, scale and release year on its Gunpla page.
Explore the full interactive development tree for the RX-81ST G-Line Standard Armor above, or browse every Gundam mobile suit. Browse RX-81ST G-Line Standard Armor Gunpla kits & merchandise (2). Reference: Gundam Wiki.