2 Chapter Specific Dreadnought Close Combat Weapons.1.3 Leviathan Pattern Siege Dreadnought.1 Known Dreadnought Close Combat Weapons.The term is also used to encompass the myriad Battle-Automata ( robots) of the Adeptus Mechanicus' Legio Cybernetica and other Imperial combat walkers armed with massive close combat weapons. The term Dreadnought Close Combat Weapon is also sometimes applied to non-human constructed vehicles that fit into the Dreadnought class of combat walkers that are shorter than an Imperial Knight, such as Chaos Daemon Engines, Aeldari Wraithlords and Ork Killa Kans.

These weapons, depending on the Dreadnought Close Combat Weapon's size and shape as well as the Dreadnought's chassis pattern, may be built into the weapon arm, attached to the outside of the weapon arm, or fixed onto the Dreadnought's hull. The vast majority of Dreadnought Close Combat Weapons feature built-in ranged weapons such as Storm Bolters or Heavy Flamers. The weapons attach to the end of the Dreadnought's weapon arms, or in some cases take up the entirety of the arm itself. These massive weapons are specialised in destroying enemies at close quarters, and take the form of massive fists, claws, hammers, shields, drills or blades. The term Dreadnought Close Combat Weapon refers to a wide variety of over-sized close combat weapons that are used by the various Dreadnought patterns employed by the Adeptus Astartes, their erstwhile kin, the Chaos Space Marines and the Adeptus Custodes. A Relic Contemptor Dreadnought of the Minotaurs Chapter armed with a Kheres Pattern Assault Cannon and a Dreadnought Close Combat Weapon with built-in twin-linked Bolter.

Warhammer 40k inside a dreadnought