Diesel 10 is a Evil diesel and the main villain of Thomas and the magic railroad, day of the diesels and in season 17 cgi episode "The Missing Christmas Decorations".

bio: diesel 10 hates the steam engines and want to destroy a magic engine named lady and her magic railroad. he used Percy to take over the steam works and he steals the Christmas decorations.


  • Diesel 10 is very similar to head wolf from alpha and omega 4 because they both want a female charther to kill\ destroy (like head wolf wants to kill Daria and diesel 10 wants to destroy lady.)

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