Thomas The Tank Engine Series Wikia
"You'll be laughing on the other side of your boilers soon, silly steamies."
— Diesel 10, Misty Island Rescue, hinting his return in Day of the Diesels

Diesel 10
  • Class: BR Class 42 "Warship"
  • Designer: British Railways
  • Builder: BR Swindon Works
  • Built: 1959
  • Configuration: Bo-Bo
  • Top speed: 90 mph

Diesel 10 is an evil diesel with a roof-top, hydraulic claw, which he calls "Pinchy".

Diesel 10 will be helping to DESTROY the wiki!!!!! Hahahahaha!