... 2, Manual/air brake 3, efficient muffler/silencer 4, yangdong einge trailer generator set 5,OEM Trailer generator ... HGM6320, DSE3110, DSE5110, DSE7110 and DSE7210 and etc.Intelligent LCD display, automatic control, Chinese and English operation interface. Widely used ... heaterElectric speed controllerAutomatic transfer switches (ATS) Transportation: 4 cyclinder yangdong engine movable trailer generator