The locomotive and the tender are constructed of die-cast metal. The locomotive has a powerful can motor with a bell-shaped armature and a flywheel. The motor and the gear drive are built into the boiler. The locomotive has a digital connector in the tender. There is a close coupling between the locomotive and tender, and there is a close coupler mechanism on the rear of the tender. 5 axles powered through side rods. Traction tires.