Scruff is a green boxy tank engine who works at Whiff's Waste Dump.
- Take-n-Play version (black running board, painted buffers, uni-polar magnets, made in China) (2011-2012)
- Take-n-Play version (minor changes, made in Thailand) (2012-2014)
- Take-n-Play version (red running board, unpainted buffers, shorter cab, bi-polar magnets) (2015-2016)
- Collectible Railway version (hook and loop couplings) (2015-present - Europe/Asia)
- Color Changing Scruff from Scruff's Dirty Mess (Take-n-Play)
- Smelly Scruff (Take-n-Play)
- Smelly Scruff from Sodor's Green Team (Take-n-Play)
- Smelly Scruff from Clean-Up Crew (Adventures) (hook and loop couplings)
- The prototype Collectible Railway Scruff features a Take-n-Play Scruff with hook and loop couplings.