|This article is about Ben. You may be looking for Bill and Ben or Bill.|
Ben is a tank engine who works with his twin, Bill, in the clay pits near Brendam.
- 1992 (nameplates and lining sticker details, flat magnets, staples, and undated wheels)
- 1992-1993 (painted on nameplates and lining)
- 1993 (beveled funnel)
- 1994 (larger black arch, no staples)
- 1994 (round magnets, wheels dated)
- 1996 (smaller magnets, rounded funnel)
- 1997 (larger magnets, thicker wheels)
- 2002 (back ledge)
- 2002 (back ledge removed)
- 2014 (blue wheels, blue paintwork)
- The prototype 1992 Ben used James' face. His eyes looked towards his left instead of his right.
- All individual versions of Ben are identical to Bill, apart from their nameplates depicting their respective names and Ben's eyes looking towards his right.