Changchun was one of the first depots to adopt the oblong chimney (a Chinese version of the Giesl ejector) and a number of locos were retrofitted with the device. Some of these machines had a different appearance to the standard locos with the front part of the cowling cut away and the chimney and feedwater heater clearly visible. This can be seen on QJ1039 wheeling a southbound freight from Taolaizhao past East Junction on 29 December 1984.