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A standard , if less streamlined, Imperial designbased upon [[Eldar]] vehicles, {{Fn|3}} Grav-Attacks are produced by the [[Adeptus Mechanicus]] in their weapon-shops on [[Terra]] and other worlds throughout the [[galaxy]]. Some of these are modified for use by [[Chapter|Space Marine Chapters]], though most Astartes Grav-Attacks are manufactured by the Space Marines themselves. Grav-Attacks can also be produced in support and variants, troop carrier variants,{{Fn|2}} assault variants, medical variants or communication variants.{{Fn|23}}

The Grav-Attack is kept afloat through use of a standard gravitic-reaction motor that includes gravitational counter-thrust engines and [[suspensor]]s. The vehicle is capable of high speeds with the help of a single jet engine, especially when travelling on roads and other equally flat surfaces.{{Fn|2}} Upon such suitable worlds, the Grav-Attack replaces the [[Land Raider]] in its battlefield role.{{Fn|3}}

The Grav-Attack is capable of mounting a single Imperial heavy weapon or a combination of lighter armaments, but is most often equipped with a turreted, auto-aimed [[lascannon]] and an auto-aimed [[missile launcher]] firing [[Frag Missile|frag]] and [[Krak Missile|krak missiles]]. It {{Fn|2}} Otherwise, it can mount an auto-aimed [[multi-laser]] in the turret and two forward firing auto-aimed [[boltgun]]s on a fixed mount.{{Fn|3}} The Grav-Attack also features an auto-drive system and , a [[Vox|communicator]],{{Fn|2}} a [[targeter]] and an [[scanner|energy scanner]].{{Fn|23}}

*{{Endn|1}}: [[White Dwarf 252 (UK)]], pg. 71 — ''Chapter Approved: Vehicle Design Rules''