Thumper is a Orange Quarry Machine That Works at The Sodor Construction Company.
So Salty moves out of the way, and Thumper is Working on The Wrong Rock, and Boulder falls onto The Ground Below, Thumper, However, is Sad, But he does work hard, and tries to make Sir Topham Hatt Proud.
- Thumper has made many cameos.
- Thumper is also Seen in Keekre24's Wooden Railway Collection Videos.
- Season 15: Flash Gordon (cameo), The Maron Station Makeover (cameo), The Island of Misfits Engines (cameo)
- Oliver's Eleven (original storyline only)