Midland, AQWY 31051 container waggon, built by Centrecon Ltd WA in 1981 in a batch of thirty five WFA type container waggons, another eighteen were also built by Westrail. In 1987 it was converted to WFAP for motor vehicle transport. Laded with three 20' tank-tainers all carrying ammonium nitrate solution or emulsion, Tank Containers Australia tanks TCAU 317504 and TCAU 121002 and a EUROTAINER tank.