Daisy and the character referred to as "10751" are not Diesel locomotives, they are Diesel Multiple Units/Diesel railcars. D5702 03:33, November 21, 2011 (UTC)

What's the difference? Thomasfan Peep! Peep! 04:02, November 21, 2011 (UTC)
In railway terms, railcars are always categorised seperately to locomotives, ask any rail enthusiast or worker. If you look at Wikipedia, for example, railcars/multiple units are categorised seperately to locomotives. Perhaps the best solution would be simply to rename the category as "Diesels" - that way it covers both without needing to create a seperate railcar category.D5702 04:23, November 22, 2011 (UTC)