South Dynon Motive Power Depot, standard gauge turntable, radial roads and pit, V/Line locomotives lined up are Y class Y 102 Clyde Engineering EMD model G6B serial 63-292, Y class leader Y 101 serial 63-291, X class X 37 Clyde Engineering EMD model G26C serial 70-700 and C class C 504 Clyde Engineering EMD model GT26C serial 76-827. PTC Open Day.