A total of 5,263 of these wagons were built by British Railways from 1954 for transporting coal and coke throughout Britain until their withdrawal in the mid-1980s.
The model is of the 3121 (1958), 3221 (1959), 3314 (1960), 3374 (1961), 3426 (1962 – listed 1/154 pattern but the design is actually identical), and 3437 (1962) pattern. The surviving prototypes were surveyed by Accurascale at the Tanfield Railway, near Stanley, County Durham in mid-October 2017.
- Completely new, redrawn CAD
- Compensated Axle Boxes
- Die Cast Chassis for ideal weight
- 3 link metal coupling chain with sprung coupling hook
- Profile wheels and axles with brass bearing pockets
- Metal sprung buffers
- Etched Steel factory fitted detailing
- Extra fine factory fitted detail plastic parts
- Extra fine factory fitted Pipework
- Individual lettering, logos and codes from real wagons for authenticity
- Very limited run of just 250 Wagons per type