... ,12.0M 3)Wheelbase:6300mm WG6120DHA chassis1structureBearing structure2electric control systemDC IGBT chopper speed control system3F. axleEnd of boxing-style, I-beam ... systemDC IGBT chopper speed control system3F. axleEnd of boxing-style, I-beam structure, the two gap, capacity: 6.5T (Dongfeng ... rear drum type9othersoptional centralized lubrication WG6120DHA city bus,12 m,Electric,luxury city bus