Nelson is a Ballast Tractor. He works Hard at The Construction Company and transports the other members of the Pack to and from sites.
Appearances:[]
- Season 10: Lorry's New Flatbed
- Season 11: Around the Railyard in 64 Seconds (cameo), The Great Western Way, Big City Rumor (cameo), Station Situation (cameo), Trembling Trevor (cameo), Wooden Brakes (cameo), and BoCo and the Cocoa (cameo)
- Season 12: Greetings, Montague! (not named; does not speak), Scottish Blues (cameo), The Importance of Being Billy (cameo) and Percy Gets a Promotion
- Season 13: Duck and the Quack Attack (cameo), Bert's Arlesdale Fail, The Duke of Hazard, Rust or Bust (cameo) and Oliver's Fossil Fright
- Season 14: Freddie at the Ready (cameo), Hugo Takes Flight and Flat Stanley (cameo)
- Season 15 (cameos): Roundhouse Roulette, For Whom The Belle Tolls, Ice Ice Daisy and The Island of Misfits Engines
- Season 16 (cameos): Painting the Rosie's Red, Knock It Off, Stanley and Ace in the Hole
- Season 17 (cameos): Unidentified Flying Scotsman, Dustin the Really Useless Engine, Oliver Confusion, Diesel Gets the Bronze, and Para-Norman Activity
- Season 18: Santa Claws (cameo), Choo-Choo-Déjà-Vu (cameo), Patrick Cements His Legacy
Specials:
Basis:[]
Nelson is Based on a Real Black Truck.