Cockatoo Siding 273 km on the Hamersley Iron line to Yandi, General Electric built 9-44CW unit 7087 with serial number 47766 from the original 1994 build idles away on the western end of the ballast train as it is loaded and slowly progresses into the back track siding Ballast plough BP 01 is behind the locomotive. Location is roughly here. 24th November 2001.