|Color: Ochre with tan stripes|
|Occupation: Leader of the Diesels|
|First Appearance: Thomas and the Magic Railroad|
|Performer: Matt Wilkinson (UK/US)|
Diesel 10 is the master of mischief on Sodor. He likes trying to outwit the Steamies, often causing confusion and delay. When Diesel 10 is around...there will be trouble.