Jack in one of the episodes.

"I'm Jack the front loader! I can load, and unload, and carry lots of things!" — Jack.

Jack is a friendly and enthusiastic front loader, who owns a team that does work. The ream that Jack works in is some times called "Jack and the Pack." 

Appearances Edit

Jack appeared in the seventh and twelfth season, and in Thomas' Trusty Friends"/"On Site With Thomas" and "The Great Discovery".