Arry and Bert

'Arry and Bert are two diesel engines who work at the smelters.

=Appendices=

Major Appearances
Season 5 Season 6 Season 7 Season 8 Calling All Engines! Season 9
 * "Stepney Gets Lost"
 * "Middle Engine"
 * "Fergus Breaks the Rules"
 * "Thomas to the Rescue"
 * "Percy's New Whistle"
 * "Halloween"
 * "Thomas and the New Engine"

Cameos
Season 7 Season 8
 * "Bill, Ben and Fergus"
 * "Percy and the Magic Carpet"
 * "Percy's Big Mistake"