Nigel is a lorry, who was originally intended to be a member of the Sodor Construction Company. He was developed by Robert Gauld-Galliers before writing for Jack and the Sodor Construction Comapny began, but was never utilized and was dropped from the series.
Nigel is based on a 1941 Ford Model 19T tractor lorry.
Nigel is painted forest green and cream with crimson and white lining. His hubcaps and fuel tanks are painted red, and his number, 21, is painted in green on the sides of his cab inside a green circle. His registration plate reads "136NGL" in white writing.
- Nigel may have been named after Nigel Permane, who worked as the director of photography for the Jack & The Pack series.