Nelson is a transporter, who works for the Sodor Construction Company. He is accompanied with a low loader trailer.
Thomas & Friends
Nelson's job is to carry construction workers and the Pack vehicles to and from work sites. As the bearer of such weighty loads, he often feels overworked, but never complains.
In his first appearance, Jack asked Nelson if he was the most important, as Patrick boasted that he was the most important earlier. Nelson told Jack that he is the most important, as he is the main source of transportation. Later, when a fierce storm raged across Sodor, Nelson and Oliver were sent to clear Henry's Tunnel.
However, Nelson soon got tired of always having to carry the other machines to and from work. He began dreaming about being carried himself. The next day, Thomas came off the rails and broke a wheel. So Nelson was sent to take Thomas to the repair yard. When this was done, to his surprise, Percy carried Nelson back to the yards on a flatbed. Nelson had a splendid ride, and it was as magical as he had dreamed.
Nelson is a clever, intelligent, and wise ballast tractor who often feels overworked but never complains. He is proud of his paint and is happiest when he looks his best. Although he will never offer up a complaint, he is the first machine to comment on what is going wrong on the construction site.
Nelson's front strongly resembles a Scammell 15LA ballast tractor. His rear resembles a 1927 Scammell Pioneer tractor unit.
Nelson is painted black with cream and red lining, red wheel alloys and front beam. He has his name painted above his cab windows and has the number "10" painted on his cab doors, both in cream.
Thomas the Tank Engine & Friends
- Jack and the Sodor Construction Company - On Site with Thomas, Thomas and the Moles (does not speak) and Percy Helps Out
- In some concept art and promotional sketches, Nelson had a registration plate, "201 RGG", this was a reference to television series art director Robert Gauld-Galliers. He was also intended to carry the Scammell logo on his front. He would also have "Sodor" written next to his name.
- Strangely, both of Nelson's merchandise do not feature his trailer.
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