A Warboss can instruct a particularly skilled Pigdok to upgrade his Cyboar into a monstrous combination of beast and machine. A Super Cyboar follows the same rules as a Cyboar, but it gives the Warboss a 3+ save due to the massive amount of metal and armour plate. In addition, the Cyboar is fitted with what is commonly known as Da Big Red Knob. This is essentially an injector system which pumps stimms into the Boar's system causing it to hurtle forward at an alarming rate. The Warboss will have the system linked up with all other Cyboars in his unit, so that when he presses the knob all the models in the unit advance with him. This allows the Cyboar riders to use the Fleet of Foot rules, advancing D6" instead of shooting during each Shooting phase.
Super Cyboar
Source: Chapter Approved: Feral Ork Warband, p. 3