Bachmann 31-743ASF 31-743ASF MR 1532 (1P) Tank 58040 BR Lined Black (British Railways) Steam Locomotive - DCC Sound. Running No. 58040. Although the first examples were built in 1881, almost seventy years later British Railways inherited many of these Victorian machines following Nationalisation and set them to work on the branch lines and local services with which they were already very familiar.