Worksplate Andrew Barclay & Sons Co Ltd., numbered LWDMU 692 dated 1986. Ex 4-wheeled DH 230Hp Pacer Class 143, 2-car sets numbered 143601 to 143625, AB numbers 669 to 718/1985 to 1986 If plated in sequence this is ex Set 143613, . The initials stand for Light Weight Diesel Multiple Unit. Bodies were built by Walter Alexander of Falkirk and the Underframes by AB. Cast aluminium in as removed condition measures 10in x 8in.