"Hooterville Cannonball" is a fictional steam locomotive featured in the television series Petticoat Junction. The train serves as a vital mode of transportation for the residents of the fictional town of Hooterville, connecting them to nearby areas and providing a link to the outside world. The locomotive is operated by Sam Drucker, the local storekeeper, and Charley Pratt, the engineer. The train is known for its quirky adventures and the charming characters that ride it, contributing to the show's lighthearted and comedic atmosphere.