Emu Siding, a loaded train of Q and B series ore waggons behind the lowest numbered Rio Tinto loco 7043 with serial 57094 a GE Erie built GE model Dash 9-44CW from the 10th order in HI Pilbara Iron livery leading an original ES44DCi unit 8108 and sister Dash 9-44CW unit 7058 in the same HI Pilbara Iron livery as they descend the West Mainline past EM7 and EM5 signals at the 74.88 km on they way to Cape Lambert. 16th June 2018. GeoData.