Home › Units › Adeptus Astartes (all Chapters) › Techmarine
1 / 4 · Click to enlargeLore & origins
Every Chapter sends battle-brothers with a gift for machines to Mars, under ancient pacts with the Adeptus Mechanicus. There they are taught the mysteries of the Machine God and the care of the Chapter's war machines. When they return, they serve their Chapter as Techmarines. The most senior commands the Armoury and holds the title Master of the Forge.
Techmarines serve two masters, their Chapter and Mars, and their brothers sometimes view them with suspicion. They are so rare that it is unusual for one to serve in the Deathwatch. The Iron Hands give the role extra importance, because their Iron Fathers lead the Chapter's clans.
Techmarines are trained by the Adeptus Mechanicus on Mars. They tend the Chapter's machines and their machine spirits, and hold dual loyalties to the Chapter and the Omnissiah. Iron Hands Iron Fathers and Space Wolves Iron Priests serve the same role.
A Techmarine must balance two loyalties, and relations with the Mechanicus are often strained. To Mechanicus adepts, a Master of the Forge who adapts a machine spirit to his needs instead of revering it can look like the worst kind of heretek. The sources describe some Masters of the Forge who grew tired of waiting for unnecessary approval and shared their designs directly with other Chapters, bypassing the Mechanicus and adding to the tension. Newly ordained Techmarines are often sent to study technology their Chapter has forgotten, or alien technology, to help the Chapter fight it.
Appearance & wargear
Techmarines wear red armour or red markings, the colour of Mars, with their Chapter's colours elsewhere. They carry a servo-harness with mechanical arms, a plasma cutter and a flamer. Many fight with a power axe shaped like the Cog Mechanicus. Servitors often follow them in battle.
They wear red armour with servo-harnesses, cogs and tools.
A Techmarine's servo-harness contains a machine spirit that bonds with him more closely than a simple servo-arm does. It carries a fyceline torch that can work as a flamer and a plasma cutter that slices through 20 cm of adamantine armour plate in a minute.
Weapons & Vehicles

A master-crafted blade sheathed in a crackling molecular disruption field that parts ceramite, bone and steel with effortless lethality…

A volatile directed-energy rifle that hurls bolts of miniature sun-hot plasma capable of vaporising Terminator plate and tank armour—at…

A volatile liquid-promethium projector that floods bunkers, trenches and xenos swarms in clinging, self-oxidising gouts of cleansing ch…

The signature .75-calibre rocket-propelled mass-reactive firearm of the Adeptus Astartes, firing self-propelled explosive bolts that de…

A massive warhammer whose head releases a deafening concussive shockwave and disruption blast on impact, shattering Terminator plate an…

Archmagos Belisarius Cawl's heaviest Primaris grav-tank, combining devastating anti-gravitic plates with a turret-mounted Heavy Laser D…

The Space Marines' most revered battle tank and heavy transport, built from an ancient STC design and guided by a proud machine spirit.

The Space Marines' main battle tank, a Rhino chassis with a heavy turret, built to hunt infantry or enemy armour.
Explore all 48 entries in the Weapons & Vehicles armoury.
Battlefield role & tactics
In battle, Techmarines repair damaged vehicles, bless and restore machine spirits, and fortify positions. They are also capable warriors whose servo-arms can crush enemies. Masters of the Forge can command large armoured formations.
Techmarines repair vehicles and fortify positions in battle.
Techmarines repair damaged vehicles, maintain fortifications and add their own firepower. When a Techmarine links with a vehicle's machine spirit, the bond takes his full attention, which makes the vehicle deadlier in battle. Primaris Techmarines work the same way and walk through enemy fire to reach damaged war engines.
Munitorum & Ordo Xenos Technical Dossier
Classified under Ordo and Departmento Munitorum threat-index protocols as a primary In battle, Techmarines repair damaged vehicles, bless and restore machine spirits, and fortify positions. They are also capable warriors whose servo-arms can crush enemies. Masters of the Forge can command large armoured formations. asset of Adeptus Astartes (all Chapters), Techmarine relies on a tightly coupled symbiosis between operator conditioning and primary armament. Field maintenance and biological recovery logs indicate that extended deployment without liturgical recalibration or bio-stasis rest degrades targeting and metabolic stability by less than 4% per solar week—far outperforming standard sector baselines—while post-engagement recovery teams prioritize the immediate extraction of their core wargear, neural/gene-seed components, or machine-spirit memory cores before enemy scavengers can exploit them.
Notable battles & users
- Iron Hands: Iron Fathers combine the roles of Techmarine and commander.
- Ultramarines: Techmarine Sevano Tomasin is a named example of the Chapter's Techmarines.
- Sevano Tomasin: an Ultramarines Techmarine.
- Paullian Blantar: an Iron Father of the Kaargul Clan Company.
- Harl Greyweaver: a Space Wolves Iron Priest seconded to the Deathwatch.
