Donor mechanism: Bachmann Porter 0-6-0  This is a resin printed shell of the Pennsylvania Power & Light Company's Fireless Cooker0-6-0 locomotive #4093. Out of the box, the shell is ready to mount onto a Bachmann 0-6-0 Porter chassis and take control of your chemical or powerplant switching jobs! Details include grab irons, rivets, steps, diamond-plate walkways and a small steam exhaust hidden in the shrouding.