A total of 16 QCS class sleeper wagon were built purchased from Hawker Siddeley in 1964. They were numbered 16076-16091. In 1985 16079 was written off followed by 16081 in 1990. The remaining wagons in this class went in August 1998.

The WAGR outline diagram is shown below.

Other Sleeper wagons The W.A.G.R.'s other sleepers were classes NA, and the bogie vehicles in Classes QPS, QRS, and QS.