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“Mind my paint!”
―Isobella, Jack Jumps In, sixth season

Isobella is a Sentinel steam lorry, who works for the Sodor Construction Company.


Thomas & Friends

Isobella once had to deliver a piano, but she lost control and ended up dangling over of the side of a retaining wall next to the railway line. Kelly had to rescue her. Once, Isobella had to collect diesel fuel for the other machines when they all ran out.


Isobella is a hard worker, but does not like getting dirty. She can also be rather cheeky and temperamental.

Technical Details


Isobella is based on a Sentinel DG4 steam lorry, fitted with a flatbed. Elizabeth is another member of this class.


Isobella is painted yellow with red lining. She has the number "22" painted on her sides in red.


Voice Actors


  • In the Wooden Railway range, her name is misspelled "Isabella".
  • In some promotional sketches of the Pack, Isobella is seen with a yellow four wheel trailer, which is not present in the show. However, this is present with her Wooden Railway toy.
  • Three of Isobella's faces were preserved by the Top Props preservation group.
  • Isobella is the only female member of the Pack, although Ned was referred to as a female in the Italian dub.



Non-rail vehicles

* RWS only | ** T&F only | *** Other Media only

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