Kusan Gravy Train
This was a special promotional set made by Kusan for Gravy Train dog food.
Sixteen pieces of curved plastic track also came with the set.
Kusan Gravy Train battery-operated general-purpose four-wheel switcher. Battery compartment access, for two C-cell batteries, is on the bottom of the engine. The black switch on top of the engine controls power and direction - forward, off and reverse. Other four-wheel battery-powered switchers may be seen at this link.