Class SRT
The SRT was a class of London bus introduced in 1949. It was a rebuild of the pre-war STL type, an AEC Regent I with 7.7-litre engine, fitted with an RT-type body. These were underpowered due to the additional weight of the RT body, and they were confined to central London routes, e.g. 24. As new AEC [Regent III RT|RT chassis] became available, the bodies were transferred and the STL chassis scrapped.