Gender: Male
Color: Black
Occupation: Diesel shunter
First Appearance: Duck and the Diesel Engine
Performer: Kerry Shale (UK/US)

Diesel believes that Steamies are no match for Diesels. Oily, scheming and ever ready to stir up trouble in the shed, Diesel's characteristic smirk is a sure sign that some Steamie, somewhere is in for a bit of trouble.