Worksplate, Andrew Barclay Sons & Co Caledonia Works Kilmarnock number 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. Oval alloy construction approximately 10 x 8, totally ex loco condition.