5700 Class - L91 - London Transport Maroon - DCC Sound Fitted Subclass_Mk2b One truck (bogie) styles with

One truck (bogie) styles with separate footsteps

which quickly established itself among the fastest selling versions and suprised us by outstripping liveries that we expected to be more popular

BR blue with grey grilles and additional pre-TOPS number (D9000)

It was initially outshopped from HNRC's workshops at Barrow Hill in BR blue

each with individual numbers and decoration

5700 Class - L91 - London Transport Maroon - DCC Sound Fitted Subclass_Mk2b One truck (bogie) styles withLondon Transports railway network is well known for being electrified and underground but there had always been a small fleet of steam locomotives retained for working infrastructure trains on the surface lines. By the 1950s, these older locomotives were well past their prime and London Transport began to look for replacements. Diesel locomotives were considered, as was a small fleet of ex GNR J52 steam locomotives but their trial was unsuccessful. In