S.C. Ruffey, also known as Scruffey, is a ballast truck and the ring leader of the Troublesome Trucks.
S.C. Ruffey is a ballast truck who likes to play tricks on engines.
- Season 1: The Trouble With Trucks,Frank and the Trucks, and A Scottish Tale (cameo)
- Season 3: Double Trouble (does not speak), and Mercy for Percy
- Season 4: S.C. Ruffey and The Foolish Freight Cars and Rickety's Revenge
- Season 10: Scruff and S.C. Ruffey
- Season 12: Truckus Ruckus
- Season 13: Sam I Am (mentioned)
- Season 14: Dirty 'Arry (cameo), S.C.Ruffey's Sweet Tooth, and Flat Stanley (does not speak)
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