Bachmann have completely updated the class 20 model for the Graham Farish range with new tooling for the chassis to incorporating a DCC decoder socket and new more detailed bodyshells.
20048 is one of the early batch of class 20s with steam-era train description discs. The locomotives were never modified, excepting where the discs were lost or removed these were carried throughout their service lives.
Eras 7&8. DCC Ready. 6-pin decoder required for DCC operation.