Buster is a hard working steamroller with heart and commitment in what he does and he is a good dreamer. He goes about his job with glee and pride knowing all is right with the world. What Buster lacks in imagination, he makes up for with heart, commitment, and hard work. He is liked by all the machines for his wonderful enthusiasm and kindness to help with everything.
- Buster will appear in the series soon
Buster is based on an Aveling and Porter R10 class steamroller named "Thistledown" formerly owned by the Reverend Teddy Boston. George shares this basis.