Isobella

Isobella is a yellow steam lorry who works for the Sodor Construction Company

Personality
Isobella is very useful and works hard, however she like to stay clean and always takes the long way around if it means not getting dirty, as seen in Mud Glorious Mud. Isobella is very good friends with Kelly.

Trivia

 * Isobella is the same type of truck as Elizabeth
 * Her name is sometimes misspelled as Isabella