5700 Class - 7755 - Shirtbutton Green - DCC Sound Fitted7755. GWR Shirt button Livery. 7755 was a loco from the Work Creation orders. This engine was built in 1930 by North British Locomotive Co. at Queens Park works in Glasgow. New to Neath shed. By the late 1930s 7755 gained the then new shirt button GWR logo and was transferred to Llanelly shed. A South Wales engine for its entire life, it was withdrawn from Aberbeeg shed in 1962 and scrapped. Features: No top feed, early cab style handrails, Bunker