2S-011-009D A3 The White Knight 60077 BR Green Early Crest - DCC FittedPROTOTYPE The Class A3 locomotives were built in the late 1920's and were designed for high speed passenger services from London to Edinburgh on the LNER line. These locomotives featured longer valves, increased cylinders and modified weight distribution to improve reliability and service. The tenders were fitted with a corridor to allow the driver and firemen to swap with others while the train was travelling to reduce stopping time. These models are