0-8-0 Steam Locomotives in Austria

Class IVa, IVb/402, 412 (Locobase 21167)

Data from "Zum 75 Jahrigen Bestande der Sachsischen Maschinenfabrik, vormals Richard Hartmann, A G-Chemnitz", Die Lokomotive, Volume 10, Number 2 (February 1913), pp. 27- and ATE IVa and IVb in Wikipedia at [] and []; last accessed 13 February 2024. .See also Josef Pospichal, "k.k. rpiv. Aussig-Teplitzer Eisenbahn (ATE)" at [], last accessed 11 February 2024, Hartmann supplied the first three in 1882 (works numbers1201-1203). Wiener Neustadt works numbers were IVa 3112-3113 in 1886 and 3206-3207 in 1888, IVb works numbers were 4007-4011in 1897. Floridsdorf works numbers were 1075-1079 in 1897.

Coal traffic growth on the Aussig-Komotau line led the ATE to add another driven axle to its goods locomotive designs. Like the other ATE locomotives, the class remained in active use at the time of the 1924 nationalization under the CSD and were placed in their own class 402

The 1897 IVb batches essentiallyduplicated the earlier IVas, but went to work on the North Bohemian Transversal Railway running from Teplitz to Reichenberg. These were redesignated at class 412 in the CSD, which discarded four of them in 1935

After the Third Reich's takeover of the Sudentenland in 1938, the Deutsches Reichbahn created BauReihe 55.71 for the septet. Once CSD successor OBB regained custody in 1945, they discarded them.

Class IVc/413.2/BR 55.6 (Locobase 21169)

Data from "Zum 75 Jahrigen Bestande der Sachsischen Maschinenfabrik, vormals Richard Hartmann, A G-Chemnitz", Die Lokomotive, Volume 10, Number 2 (February 1913), pp. 27-33 and ATE IVa and IVb in Wikipedia at [] and []; last accessed 13 February 2024. .See also Josef Pospichal, "k.k. rpiv. Aussig-Teplitzer Eisenbahn (ATE)" at [], last accessed 11 February 2024, Works numbers were 4154-4163, 4233-4238 in 1899, 4701 in 1907, 4886-4887 in 1909, and 4992-4993, 5035 in `9`0.

Coming only two years after the IVb (Locobase 21167), these engines presented a subtantially modified eight-coupled dual-traffic design for both passenger and freight service on the North Bohemian Transversal Railway running from Teplitz to Reichenberg. An enlarged boiler pressed to a 2 bar (29 psi) higher setting and a broader, shallower grate reworked the heating surface area. Taller drivers increased maximum allowable speed to 50 kph (31 mph), Outside eccentrics operated the Stephenson link motion.

The 1924 creation of the CSD (Czech State Railways) in the new Czechoslokian Republic led to the clsss taking the 413.2 class ID. Fourteen years later, the Thrid Reich's occupation of the Sudetenland pulled the 413.2s into Deutches Reichsbahn's BauReihe 55.6.

After their 1945 recovery by the Czech government of 21 surviving engines, the class remained active for as long as two decades before the last was withdrain in 1965,