5700 Class - L94 - London Transport Maroon - DCC Sound Fitted Class 66-Run3 * Two styles of sprung

* Two styles of sprung buffer: Oleo (coal variants) and heavy duty (CDA)

66142 is one such locomotive and proudly wears its 'a' sticker under one set of numbers

in 1969 the still embryonic Northern Ireland Railways set out to improve the Dublin-Belfast ‘Enterprise’ service

Photographed model is a decorated sample

5700 Class - L94 - London Transport Maroon - DCC Sound Fitted Class 66-Run3 * Two styles of sprungLondon 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