The coaches are based on First Class roofed coaches from the Liverpool and Manchester Railway. Two of them, replicas, now work with the Stephenson's Rocket replica at the National Railway Museum. The Sodor and Mainland Railway Coaches are also based on this rolling stock.
The coaches are painted dark blue and cream with gold lining, they also have Sir Robert Norramby's crest on their sides. The wheels are black with blue lining.