Den is a diesel in charge of the Dieselworks when Diesel 10 is not around.
Bio
Den was introduced in the sixteenteenth season in Adventures on Rails with Dart. He was brought to help with moving parts around the Dieselworks. He is a slow thinker, usually leading to Dart completing or correcting his statements. However, he is a hard worker, and usually keeps Dart in order.
Appearences
Adventures on Rails
- Season 16 - Den and Dart and Thomas and the Great Railway Show Part 1 (non-speaking role).
- Season 17 - The Three Little Engines Part 3 and The Football Special
- Season 18 - Disappearing Diesels
Specials:
Sodor Adventures
- Season 1 - Dave the Diesel (cameo)
- Season 2 - Frozen Points, Fergus the Generator, The Peel Godred Branch Line, Dave's Scary Tale, and Diesel Day (does not speak)
- Season 3 - Homesickness, Sidney Helps Out, Bill, Ben and Derek, Derek Comes Home, Pompous Popularity (mentioned). and Jonathon and Stafford
Specials:
- Thomas and Percy
Livery
He is painted slate grey with orange detailing.
Trivia
- In Adventures on Rails, he was originally meant to be introducted with Dart in the seventeenth season.