Ben (also known as Classic Ben) is an engine in the Classics theme.
- Dino Ben
- Advent Ben (from Advent Calendar (2015, 2016, and 2017))
- Ben as Plastic Man (from DC Super Friends 9-Pack 3)
- Giraffe Ben
- Clown Fish Ben
- Lime Ben
- Ben as Casey Jones (from Teenage Mutant Ninja Turtles 9-Pack; cancelled)
- Light-Up Ben (from Light-Ups 4)
- Booger Ben
- Ben has a moulded face, while other engines have computer printed ones. Gator, Scruff, Flynn, Bill, Diesel 10, Duck and Diesel also have this feature.
- Bill and Ben share the same mould, since they have the same basis.
- Ben is one of six engines in the 2016 series to not have any variants.