Zack

ZACK is a small construction vehicle who works in the Sodor Construction Sites.

Appearance
Zack is a small yellow construction vehicle with a giant scoop on one side, and a chain on the other.

Personality
Zach is a small, eager vehicle who can run on road and rails. He likes to rush into jobs, and make new friends. Like Thomas, when he first arrived on Sodor.

History
When Zack first arrived on Sodor, he became quick friends with Thomas, Percy, and Ryan. But James and Gordon hated him. Thomas played a cheeky trick on Gordon, so only Zack could save him. Once Zack saved Gordon, he earned the respect of the tender engines.

Trivia

 * Zack has two stoppers which keep him still while he's not at work.