车次K55/K58, 始发站哈尔滨, 终点站上海, 车辆类型空调快速, 发站哈尔滨, 发时12:20, 到站南京, 到时15:28, 里程2252, 历时27:08, 硬座245, 软座391, 硬卧中431, 软卧下686