Diesel 10

Diesel 10 is a BR Class 42 and the main antagonist in Pooh's Adventures of Thomas and The Magic Railroad. He and IU7 tried to destory Lady the Lost Engine, seeing that steam engines are untrustworthy to today's standard's or railway industry. but Thomas, Lady, Burnet, Coker the Squirrel, Pooh and his friends managed to defeat them by making them falling of the viaduct and into a barge of slundge.

Trivia

 * Diesel 10, along with Den and Dart, than joined forces with  Lord Rothbart  in  Thomas the Tank Engine meets the Swan Princess  get his revnege on Thomas and his friends by kidnapping Thomas along with  Princess Odette.
 * Diesel 10 will return along with  Discord  and  Queen Chrysalis  to join forces with  Hexxus  in  Thomas and Twilight Sparkle Goes to FernGully: The Last Rainforest.
 * Diesel 10 returns in Pooh's Adventures of Thomas and Friends: Day of the Diesels - the Movie.
 * Diesel 10 is the leader of the Rough Gang.
 * Diesel 10 is the only diesel with a claw on his roof, his claw is nicknamed "Pinchy".
 * ​Diesel 10 is also Thomas the Tank Engine's main rival.
 * Diesel 10 is also best friends with Discord.