- "Aw, shucks!"
- ―Sam, Penn Pals
Sam is a massive articulated American tender engine that can pull very heavy loads.
Sam is a super-sized and super-strong locomotive. He came to the Island of Sodor to help Thomas and Percy with the construction of the Sodor Museum. He collected the heavy loads of rails and stone for the museum. He helped Percy and the bell for the museum back on the rails when Percy fell into a ditch. Afterwards, Sam pulled the bell up to the clock tower when Rocky could not. As a reward for his help, Sir Topham Hatt allowed Sam to lead the first group of people into the museum.
Hailing from the United States of America, Sam is the largest, strongest steam engine to ever visit the Island of Sodor. With a big heart to match his massive size, Sam is super-strong and will travel far and wide to help an engine in need.
- Season 3: Samson, BoCo, and the Man in the Hills (cameo), Culdee Fell (cameo), Penn Pals
- Web Clips: Mike and Frank Banter: SLOTLT, ScarletFire, and EE93's Return (cameo)