Developed with the encouragement of the LYR, the three box wagon became popular for bunker coal traffic to the ports of Liverpool and Fleetwood. The Ince Waggon & Ironworks Company appear to have been the principal builder for private owners, although some built their own fleets with minor differences to the boxes.
The boxes were lifted off wagons by the hooks with the door chains taut, and brought over a ship’s bunker. The door chains were then released, emptying the coal into the bunker beneath. Some nine companies are known to have used such wagons around the time of the Great War. With the change in ship’s fuel from coal to oil these wagons gradually became surplus to requirements. Some were converted or broken up. However it is known that many survived and joined the National Coal Board fleet, running into the 1950s.
This model is based on Ince Waggon practice although with modifications other examples could be built.