The Saxon VI K were a class of 750-mm gauge 0-10-0T locomotives of the Royal Saxon States Railways with a gauge of 750 mm (2 ft 5+1⁄2 in). In 1925 the Deutsche Reichsbahn (DRG) grouped the locomotives into class 99.64–65; from 1923 to 1927 the procured more locomotives of this type which were grouped in to class 99.67–71.