Jack

Jack is a friendly and enthusiastic front loader, who works for the Sodor Construction Company. He is Alfie's best friend.

Personality
Jack is brave and will not take any hassle, as seen whenever he stands up to Max and Monty when they bully him and Alfie, or when he rescued Thomas and Stephen. He is also kind and caring but tends to be rather impulsive. Despite being one of the younger members of the Pack, Jack has the makings of a good leader.

Trivia

 * Jack has had a few modifications in the SC Shorts.
 * James the Splendid Stupid Stuck-up Stunt Engine:
 * His hydraulics became silver.
 * His wheels gained silver and black bolts.
 * Bulgy Breaks The Law:
 * His entire roof was painted orange.
 * His bucket was repainted silver.
 * He gained holes on his exhaust pipe.
 * His wheel arches on either side of his cab were painted silver.
 * Joy To The Rails Part 2
 * His roof was repainted Burnt Sienna.
 * His voice became higher pitched in "A Tender New Year".