The Tidmouth Milk Tanker (also known as Milk Tanker) is a freight car meant to haul milk. It is white with a dome on top, and blue lettering on the side that reads "TIDMOUTH MILK".
- 1993 (flat magnets, staples, undated wheels)
- 1993 (nails on top)
- 1994 (round magnets, dated wheels)
- Milk Tanker Thomas' Birthday Surprise Set (cow logo, no nails or dome)
- The German version displays the word "MILCH" rather than "TIDMOUTH MILK".