Scruff "the Scruncher" is a green box tank engine.
- TrackMaster model by Fisher-Price (2010-2014)
- TrackMaster model by Fisher-Price (redesigned body, new wheel rubber, and motor with enhanced performance) (2014-present)
- Scruff (TrackMaster [Fisher Price])
- Scruff with Troublesome Truck (TrackMaster [Fisher Price])
- Scruff is the only engine to have an extended rear coupling. Prior to Scruff's release, the same coupling was only ever used on the mail van included with the Plarail TT-04 Talking Edward.