Mavis is a black and yellow diesel engine who works at the Ffarquhar Quarry. She sometimes doesn't listen to advice, and gets into trouble for this. Mavis' best friend is Toby.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.