The most recently completed vehicle. D 7 has a scratchbuilt styrene body on a modified Aristocraft tender chassis and is inspired by the Emu Bay Rwy's B class timber bogie open wagons. It is loaded with coke, which was a major traffic on the Mt Lyell Rwy, being back loaded in the ore wagons from the port to the smelter. It also serves as a "sound" truck, as it is fitted with a modified Bachmann sound unit and a speaker, thereby giving a voice to those few of my locos that have been hitherto silent.....