An American Tail: The Treasure of Manhattan Island
Tiger accidentally pulls a lever which starts the fan that propels Jacob, causing him to rush down the tracks crushing all the debris in its path & Fievel and Tony run for their life when Tony helps Fievel when his shirt is stuck on a nail. Tony is able to help Fievel and they barely survive.
Jacob Pneumatic is of a freelance design. Therefore, he is not based on a specific prototype.
Jacob is bright yellow and emerald green. His windows and air intake have red frames.
- Train Bult: Diesel Engine
- Appearance: An American Tail 3 and Casey Jr. & Friends.
- Gender: Male
- Agliment: Good
- Allies: Casey Jr., Toots, Tillie, Tootle, Montana, Emma, Pufle, Ivor, Jebediah, Georgia, Pete, Farnsworth, Alfred, Melissa, Tom Jerry, Blue, Greendale Rocket, Johnny , Doc, Huey, Silver Fish, Rasmus, Jason, Sir Reginald, Katy Caboose, Alan (steam engine), Piper, Tracy, Rusty (The Little Engine That Could "2011 film"), Humphrey, Rodrick, Minerva, Shelbert, Mary, Calley, Bonnie, Sasha, Wartime, Sir Norramby, Evening Express, Cardean, Chugs, Big Tim, Yaemon
- Enemies: Cerberus