These amazing machines tend to be pretty wild on the battlefield. With the biker girls blazing down an enemy's flanks leaving havoc and chaos in their wake, they distract their foes just long enough for the heavily armed trikes to roll up and mow down anyone left standing!
THE IRON EMPIRE (IE)
The Iron Empire is made up of exiled people that have somehow stumbled upon necromantic knowledge from alien pharaonic gods. They combine Prussian and Germanic influences with some kind of Aegyptian cyber necromancy that allow them to raise the dead and create bio-mechanical aberrations.