The Works Diesel is a diesel engine who once came from Crovan's Gate to rescue James.
The Works Diesel is a Class 47 Engine who is known to live at the works, thus the Name the Works Diesel, He is a Friendly and Helpful diesel engine. He came to James' rescue after his Tank Froze over and was then taken to the Works where diesel helped him into the Works sheds so the men could fix his problem, James likes this diesel.
The Works Diesel brought the Christmas tree for Thomas from the Other Railway. He was later seen talking to Gordon at Barrow-in-Furness. He was later seen talking to Gordon at Barrow-in-Furness.
Although the Works Diesel has not spoken as of yet, he is described as being friendly and is impossible to not like - even James, who retained a hearty dislike of diesels, couldn't help but befriend him before the two had even reached the Works.
The Works Diesel is based on a BR Class 47 "Brush" Co-Co.
- The Works Diesel is painted in a British Rail "Rail Blue" livery with yellow warning panels.