4020 Class 50 BR Blue Refurbished (Un-numbered) Diesel LocomotiveA class of 50 high power Type 4 diesels built to accelerate Anglo Scottish expresses during the electrification of the West Coast Mainline. Famously used in pairs prior to the start of electric services, the class was transferred to the Western Region in the mid 1970s to replace the 'Western' diesel hydraulics. Heljan's model depicts the class after refurbishment in the early 1980s. MODEL FEATURES DCC Ready Working Directional Lights Sprung Buffers