This quartet has an independence streak that runs as long as the Appalachian Trail. Experts at covert operations. Always work well together in any combat situation. Specialize in going where no one's ever gone and doing what no one's ever done. Continually caught up in some sort of enemy intrigue. Autobot Command trusts them to come up with brilliant counter-measures to be sprung on the Decepticons.
Powertrain appeared in the following 9 comic books: