Diesel 10, or simply Diesel, is an evil diesel engine with an excavator claw arm, which he has named "Pinchy". He once had two minions named Splatter and Dodge, but they eventually turned on him. He is one of the main antagonists of the show alongside with Diesel.
He primarily works on Sodor collecting scrap metal from the trackside.
his model is a based on a British Rail Class 42
