Who BoCo is
BoCo is a green mixed-traffic diesel locomotive identified by number D5702. On the North Western Railway, the character can handle both passenger and goods work.
BoCo is a mixed-traffic diesel locomotive. Power or category: diesel powered. This distinction helps separate engines, coaches, road vehicles, aircraft and people with similar names.
How to recognise BoCo
Look for BoCo's green colour scheme, mixed-traffic diesel locomotive and visible number D5702. The character design is associated with British Rail Class 28. Faces and small details change between physical models, CGI animation and newer reinterpretations, but the main silhouette and identity remain the most useful clues.
When comparing a toy or an image, check BoCo's name, colour, number and production era together. This character is mainly associated with the physical-model era of the original television series. A matching character does not by itself guarantee that two toys use the same track, coupling or scale.
BoCo in the books and television eras
BoCo first appeared in The Diseasel (1986) in the continuity described on this page. This character is mainly associated with the physical-model era of the original television series.
Search results often mix Railway Series illustrations, the classic model production, the CGI television series and All Engines Go. Adding the era or episode title to BoCo's name makes it easier to find the intended version.
Characters connected with BoCo
BoCo is closely connected in stories and searches with Edward, Bill & Ben and Diesel. Their individual profiles show the differences in number, colour, job and production era.
For collectors and parents, the safest way to identify a BoCo product is to use both the character name and the exact product line. Wooden Railway, push-along toys, motorised systems and model railways can portray the same character at incompatible sizes.
- Continuity
- This character is mainly associated with the physical-model era of the original television series.
- Design inspiration
- British Rail Class 28
- Railway or workplace
- On the North Western Railway







