There’s a reason why Capcom Vancouver made the main character in Dead Rising 3 a mechanic. Nick can create combo weapons like Chuck Greene, but doesn’t need a work bench to do so. Nick can also make combo vehicles.
The Roller Hawg shown below is a motorcycle with a steamroller attachment and flamethrowers. Nick isn’t the only one that can ride combo vehicles. Siliconera hears one of the psychopaths we revealed, the motorcycle gang leader, uses the Roller Hawg.