R30439TXS RailRoad Class 31 TFL Construction '31271' Stratford Diesel Locomotive - DCC SoundThis Hornby RailRoad Class 31 model is presented in the Transport for London construction livery, bringing a modern splash of colour to your 00 gauge layout. Based on the reliable Brush Type 2 locomotives, this model features wide tension lock couplings, moulded plastic buffers and is DCC fitted, with a 21 pin decoder. History Originally introduced in the late 1950s, the Class 31s became a familiar sight across the British railway network, known for