Elo Echo the Diesel Engine

"Elo Echo the Diesel Engine" is released and published in September 31st, 1943.
 * Duck and The Signal
 * Harvey Takes Charge
 * Duck and Byron
 * Duck's Promise

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Duck
 * Harvey
 * Other Railway Diesels
 * Sodor Scrap Engines
 * Other Foreign Engines
 * Annie and Clarabel
 * Henrietta
 * Harold
 * Byron
 * Sir Topham Hatt