- Gender: Male
- Color: Green and Yellow
- Occupation: Cement Mixer
- First Appearance: Tumbler and the Skate Park
- Performer: Rupert Degas
"Rollin' and a tumblin'!" - Tumbler's catchphrase
Tumbler is a concrete transport truck. He is the loudest machine on Bob's team.
Community content is available under CC-BY-SA unless otherwise noted.