XM-X1 Crossbone Gundam X-1 Full Armor — Specifications, Lineage & Appearances
XM-X1
XM-X1 Crossbone Gundam X-1 Full Armor at a glance
- Timeline
- Universal Century
- Developed from
- XM-X1 Crossbone Gundam X-1
- Gunpla kits
- None catalogued yet — know one? suggest it
Interactive development tree and full data sheet: www.mobilesuit.dev/mobile-suit/xm-x1-crossbone-gundam-x-1-full-armor

The XM-X1 Crossbone Gundam X-1 Full Armor is a custom heavy armored general-purpose mobile suit from the Universal Century timeline of the Gundam franchise. It was manufactured by Strategic Naval Research Institute. Within the franchise it is considered canon.
The XM-X1 Crossbone Gundam X-1 Full Armor (nicknamed "X4") is a prototype mobile suit that appeared in Yuuichi Hasegawa's artbook Gundam Weapons F91 & Crossbone and manga Super Robot Taisen Dai Gaiden.
The XM-X1 Crossbone Gundam X-1 Full Armor was developed from XM-X1 Crossbone Gundam X-1. Both directions are mapped on the interactive tree above.
It was fielded by Crossbone Vanguard.
Specifications
- Model number
- XM-X1
- Classification
- Custom Heavy Armored General-Purpose Mobile Suit
- Production type
- Custom
- Weapon class
- Gundam
- Manufacturer
- Strategic Naval Research Institute
- Universe
- Universal Century
- Canon status
- canon
- Power source
- Minvosky Ultracompact Fusion Reactor
- Power output
- 5280 kW 7,080.596 hp
- Armor
- Gundarium Alloy-Ceramic Composite
Special Equipment & Features
- Bio — Computer
- Precision Shooting Support Device
Development Lineage
Developed from
Frequently asked questions about the XM-X1 Crossbone Gundam X-1 Full Armor
- What is the XM-X1 Crossbone Gundam X-1 Full Armor?
- The XM-X1 Crossbone Gundam X-1 Full Armor is a custom heavy armored general-purpose mobile suit from the Universal Century timeline of the Gundam franchise. It was manufactured by Strategic Naval Research Institute. It is considered canon within the franchise. In the alternate events of Super Robot Taisen Dai Gaiden, Umon Samon has retired from an active pilot role and instead works as the Crossbone Vanguard's field engineer.
- What was the XM-X1 Crossbone Gundam X-1 Full Armor developed from?
- The XM-X1 Crossbone Gundam X-1 Full Armor was developed from XM-X1 Crossbone Gundam X-1. Its full development lineage is mapped on the XM-X1 Crossbone Gundam X-1 Full Armor evolution tree.
- Which factions operated the XM-X1 Crossbone Gundam X-1 Full Armor?
- The XM-X1 Crossbone Gundam X-1 Full Armor was operated by Crossbone Vanguard.
- How big is the XM-X1 Crossbone Gundam X-1 Full Armor?
- The XM-X1 Crossbone Gundam X-1 Full Armor produces 5280 kW 7,080.596 hp, is armoured in Gundarium Alloy-Ceramic Composite.
Explore the full interactive development tree for the XM-X1 Crossbone Gundam X-1 Full Armor above, or browse every Gundam mobile suit. Reference: Gundam Wiki.