Feysville, Mineral Resources empty Mount Walton iron ore train 5040 with mid-train unit Q class Q 4003 a Clyde Engineering built EMD GT46C model with serial number 97-1456, the nineteen members of the Q class were built for Westrail between 1997 and 1998 and originally numbered Q 301 to 319 with Q 303 becoming Q 4003. 28th March 2024.