Battlefortress
The Battlefortress Is what you'd expect a Battlewagon to be on steroids. They are used by richer and more powerful Ork Warbosses as super-heavy assault vehicles and mobile command centers. There are multiple variants, including the "Deathrolla" (equipped with a Deathrolla, of course), the "Skullhamma" (crafted from a Looted Baneblade and fast as fuck), the "Rokkitspitta" (a platform that mounts an insane array of Rokkits Chinese-style), and the "Flakk Battlefortress" (a normal Battlefortress mounting an insane array of Anti-Air dakka). The vanilla Battlefortress has 3 (!) Big Gunz, a crapton of bolt-on Rokkits and Big Shootas, a large transport capacity (30), and an impressive (not just by Orky standards) 14/13/11 AV and 9 Hull Points. Load one up with Burna Boyz, Nobz, or any such CC unit, charge this thing into the middle of the enemy's gun line and watch the rape commence.