The Dyson Lorries are used to help whenever there is an accident where the rails can't reach. They are also used for carrying cars and engines - one was once used to carry Duke to the Skarloey Railway.
- Season 4 - Sleeping Beauty and Thomas and the Special Letter
- Season 5 - Cranky Bugs, Horrid Lorry, James and the Trouble with Trees, Haunted Henry, Double Teething Troubles, Thomas and the Rumours, Sir Topham Hatt's Holiday, Busy Going Backwards, and Rusty and the Boulder
- Season 6 - No Sleep for Cranky (stock footage)
- ERTL (discontinued)