Although synonymous with the Manchester area and the routes to Buxton and Blackpool, the units worked across a wide area of northern England and the Midlands and towards the end of their career ventured further afield to Scotland and the south-east of England.
The new Heljan OO Scale Class 104 will feature a low profile mechanism powering one car per set, switchable interior and exterior lighting features, a 21-pin DCC decoder interface and provision for DCC sound.
External features will include authentic detail variations appropriate to period and livery, a highly-detailed interior and underframe, separate handrails, sprung buffers.