50t rail flat wagons are rather interesting, since their underframes are relatively ancient. This example is actually relatively new, being built by Teeside B&E in 1958, other examples go back to 1952.
DB996530 is a YKA 'Osprey' most recently converted in 2009 when the stanchions were fitted.
Teesside Bridge & Engineering - were located at Cargo Fleet, Middlesborough, and were part of Dorman Long.
