- DK-9007: Gordon
- DK-9006: Annie and Clarabel
- DK-9004: Bertie
- Clarabel's prototype has the guard compartment at the front instead of the back.
- James is the tallest locomotive in the range so far. This was likely done to match his CGI model, as he has increased in size since the thirteenth series.
- Thomas and James are the only engines to have inside motion underneath their chassis.
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