They were retired from service by 1909; in 1913 the classification was reused for pairs of I K locomotives coupled back-to-back.

Since 1881, numerous narrow-gauge lines, some of them with many bends and inclines, had been opened in Saxony, and the volume of traffic had steadily increased.

Therefore, in 1885Hawthorn, Leslie and Company of Newcastle upon Tyne in England delivered two Fairlie locomotives for 51.771 Marks each.

A downright acrobatic skill was required of the fireman in order to service both fireboxes in his narrow side of the cab with the necessary coal.

They had four saturated steam cylinders with a Walschaerts valve gear (Heusinger) control for each engine.