|Iron 'Arry and Iron Bert|
|Color: Green & Yellow|
|Occupation: Sodor Ironworks Diesels|
|First Appearance: Stepney Gets Lost|
| Performer: Kerry Shale ('Arry; UK/US)|
William Hope (Bert; UK/US)
Iron 'Arry and Iron Bert are two diesel engines who work at the scrapyards.
These twin brothers are diesels that work at the scrap yards and smelting shed. They enjoy breaking down steamies whenever they get a chance.