At the 81 km on the Tom Price West mainline, Rio Tinto loco 9431 with serial 54241 a GE Erie built GE model Dash 9-44CW from the 6th order in ROBE Pilbara Rail livery, this unit was from the sixth order of Dash 9-44CW units built at GE Erie in July 2003. 16th June 2018.