Thomas the Tank Engine Wikia


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"He must be very full of himself!"
"Racing about like that and surprising other engines.
— Bill and Ben referring to Connor, Bill or Ben?, seventeenth season


  • Class: NYC J-3a Hudson
  • Designer: Henry Dreyfuss
  • Builder: Alco-Schenectady
  • Built: 1938
  • Configuration: 4-6-4

Connor is a fast streamlined engine from the Mainland Railway, who is designed for speed. He also has his own rake of coaches painted in a similar colour scheme to his own.


Connor is excitable and energetic and, like Caitlin, loves to race the other engines. Connor, however; is better at being patient, unlike Caitlin. Although it's probably unintentional, he can come across as being somewhat smug. Both Caitlin and Connor run regularly between the Mainland and Ulfstead Castle via the Vicarstown Bridge.

Connor helped with the search of Stephen, when the old engine went missing.

Connor was tricked by Bill and Ben when they challenged him to a race and he almost collided with Henry's goods train after he was trying to beat them.

Connor later had the challenge of bringing his last passengers from Sodor home in time for Christmas. With the help of Thomas, Edward, Henry, James, Percy, Emily, Hiro and the Slip Coaches, he succeeded at getting everyone home for Christmas.

In the nineteenth season, Connor was one of the engines told about the rumour of Toby being scrapped, and later raced through Kellsthorpe Road Station, but didn't see the red paint spilled onto the rails, and ended up covering Gordon's face with red spots. Connor has also been seen racing with Caitlin when the latter was taking Emily to the Steamworks for repairs.

In the twentieth season, he broke his coupling rod and decided that he should go slowly.

In The Great Race, he almost crashed into Thomas who was on his way to The Great Railway Show.


Connor is a streamlined engine, designed for speed. Along with his friend Caitlin, Connor is an excitable and energetic character, who likes to be busy and loves to race. Both Connor and Caitlin are friendly and eager to get other engines to join in the fun with them.


Connor is based on a New York Central Railroad J-3a Hudson built by Alco of Schenectady, New York. Ten J-3a Hudsons were built with streamlined shrouds designed by Henry Dreyfuss in 1938 in order to do heavy hauling at a greater speed, most famously hauling the Twentieth Century Limited between New York City and Chicago. All of the NYC Hudson locomotives were scrapped.


Connor is painted teal blue with aquamarine and yellow lining and has golden nameplates.


Voice Actors


  • In real life, Connor would be too large for the British loading gauge. However, it seems that he has been re-scaled to avoid animation issues.
  • Connor and Caitlin's Irish-American accents may be references to how the New York Central and Baltimore & Ohio employed Irish immigrants in their early years.
  • Connor's Wooden Railway prototype is Spencer's model repainted to Connor's paint scheme with the tender coupled backwards.
  • Connor has been modified to work on British railways: he has a screwlink coupling and buffers on the back of his tender. He retains a streamlined cowcatcher on the front, so he is unable to shunt. His headlamp has also been moved to accommodate his face. 
  • Unlike his basis, Connor has four axles on his tender instead of six.
  • Connor's steam pipes (on top of his cylinders) appear disconnected from his boiler.
  • In the twentieth season, Connor gains a tail-lamp.



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