Maitland Siding, a loaded Mesa A train runs along the mainline behind the standard double General Electric ES44ACi units that operate the Robe Valley trains, Rio Tinto loco 9113 with serial 62544 a GE Erie built GE model ES44ACi from the 2nd order in Rio Tinto Stripes livery leads sister unit 9114 serial 62545 at the 96 km. 19th June 2018. GeoData.