North Geelong C Box, V/Line broad gauge H class locos H 4 Clyde Engineering EMD model G18B serial 68-633, H 5 serial 68-632 and H 2 serial 68-630, grain loop shunt engines returning light engine to Geelong loco depot obtain the staff to Nth Geelong B Box from the C Box signaller, safeworking, point rodding, signal box.