Eight-wheeled Louvred Wagon with 2 compartments, 2 sliding doors each side, Steel Construction, Roller Bearings, suitable for Express Freight and Passenger trains.
There were 750 wagons in this class built between 1963 and 1977. Some QLX reclassified QLXP for passenger traffic painted charcoal roof, light grey body and non-welded wheels.
In 1991, it was decided to re-classify to CLX those QLX wagons which were not fitted out for the use of bracing rails. Wagons numbered 32369 to 32668 had their classifications altered.
Many of the class became surplus to requirements with the increase in container traffic and were converted to other uses.
