King James I
 was a GWR 6000 class 4-6-0 tender engine who worked alongside Duck in the days when he worked at Paddington. King James I was built in 1928, withdrawn in 1962, and was scrapped at Swindon Works in 1964. Duck once compared him to James. He is named after King James I of England.


  1. Season 2 - Crossed Lines (mentioned)
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