| T 12 (Prussia, Alsace-Lorraine) DRG Class 74.4–13 ÖBB 674, PKP OKi2 SNCB/NMBS type 96 | |||||||||||||||||||||||||||||||||||||||
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The Prussian Class T 12 were early German passenger tank locomotives built for the Prussian state railways in large numbers. These locomotives were superheated variants of the T 11.
Although the T 12 first appeared as early as 1902 in an experimental guise, series production did not start until 1905. Besides the Prussian state railways, the engine was also procured by the Imperial Railways in Alsace-Lorraine (25 units), the Lübeck-Büchen Railway, and the Halberstadt-Blankenburg Railway.
The main sphere of operations for the T 12 was the Berlin area, where it worked the city network, ring railway, and suburban lines as a predecessor of electric S-Bahn traction. The engines had to be capable of rapid acceleration when in charge of compartment coach trains in order to achieve acceptable journey times, due to the short distances between stations on some routes. The T 12 was therefore a very powerful locomotive with strong acceleration in both running directions. In 1921 a follow-on order of 40 locomotives was built by Borsig, because the fleet was not large enough. After the electrification of much of the S-Bahn network between 1924 and 1929, the locomotives were switched to normal passenger and goods train services and shunting.
In 1925 the Reichsbahn took over 899 examples as their DRG Class 74.4-13 with numbers 74 401 to 74 1300 (74 544 was not used). The locomotives, for which this number was intended, had to be given to the Belgian state railways. Locomotives 74 784–786 and 74 784–786 and 74 1254 originally came from the Imperial Railways in Alsace-Lorraine. In 1935, ten Saarland Railways engines, with numbers 7701–7710, were taken over and renumbered 74 1301 to 74 1310. [1]
Another eleven units, with numbers 74 1311 to 74 1321 were acquired from the Lübeck-Büchen Railway in 1938, where they had had running numbers 132 to 142. Five of them were streamlined like the 1'B1' streamliners. [2] [3] The streamlining was removed again in 1948; these engines could still be recognised from their tapered coal tanks.
30 locomotives were allocated to Belgium as part of the Treaty of Versailles. The Belgian State Railways got 27 engines and classified them as type 96 . The remaining 3 were given to the Compagnie du Nord–Belge and numbered 91-93 . The 3 locomotives were taken over by the SNCB/NMBS after the Nord-Belge was nationalised at the outbreak of WW2 in Belgium. [4]
Locomotive 74 498 remained in Austria after the end of the Second World War where the ÖBB classed it as 674.498 in its tractive fleet. The engine was later employed in Vienna, was derailed on 3 July 1954 and then scrapped (official retirement date: 23 May 1955).
In 1950 the East German Deutsche Reichsbahn took over four of the locomotives bought by the Halberstadt-Blankenburg Railway, numbering them 74 6776–6779. The ex-Prussian Class T 12's were retired by both West and East German administrations by 1968.
Number 74 1192 (see photograph) has been preserved, along with no. 74 1230 and one of the PKP Class OKi2 in Poland (formerly 74 1234).
The Prussian G 8.1 was steam locomotive operated by the Prussian state railways. It was a heavier, stronger development of the G 8 and was initially referred to as a 'strengthened standard class'.
The Prussian T 18 was the last class of tank locomotives developed for the Prussian state railways. They were originally intended for services on the island of Rügen as replacements for Class T 12 and T 10 engines. They emerged when a class of locomotive was conceived in 1912 that was to handle express and passenger trains in border areas or in shuttle services on short routes. A tank engine design with symmetrical running gear was envisaged because, unlike a tender locomotive, it could run equally fast forwards and backwards and could be operated on return journeys without having to be turned on a turntable. Its power and top speed were to be the same as those of the P 8. Robert Garbe designed this 4-6-4 (2′C2′) tank locomotive for 100 km/h with a 17-ton axle load and contracted the Vulkan Werke in Stettin to build it. It was given the designation T 18.
The Prussian G 10 was a German goods train, steam locomotive, whose design was based on a combination of the running and valve gear from the Prussian T 16 and the boiler from the Prussian P 8. In developing the G 10, however, the T 16 running gear with side play on the first and fifth axles was modified. The T 16 was also subsequently built with this modified configuration and called the Prussian T 16.1. The G 10 was intended for heavy goods train duties on main lines, but as a result of its low axle load it could be employed more flexibly than its equally powerful cousin, the Prussian G 8.1. The G 10 was occasionally even used in passenger train service.
The Prussian T 13 was a series of tank locomotives built in large numbers for the various German state railways, notably the Prussian state railways, and the Deutsche Reichsbahn during the early part of the 20th century.
The Prussian G 12.1 was a German steam locomotive built for the Prussian state railways during the First World War and was the largest Prussian freight locomotive with a 2-10-0 wheel arrangement. It had three cylinders, the two outer ones driving the third axle and the inner one the second axle.
The Prussian T 16.1 locomotives were built for the Prussian state railways as goods train tank locomotives about the time of the First World War. Six examples were also procured by the Imperial Railways in Alsace-Lorraine.
Locomotive numbers 1 to 3 on the Lübeck-Büchen railway in Germany were streamlined tank locomotives. The locomotives had a 2-4-2T wheel arrangement, a two-cylinder, superheated engine and were capable of push-pull operations. In order to ensure a symmetrical running gear, both carrying axles were built as Bissel bogies, which were fitted with return devices for improved running.
The Prussian G 5.4 was a German goods train locomotive with a compound engine. Due to its top speed of 65 km/h it was also used on passenger services. The G 5.4, like the G 5.3, differed from the G 5.1 and G 5.2 in having a shorter wheelbase and higher boiler pitch. In addition, the Krauss-Helmholtz bogies enabled its riding qualities to be improved, especially at higher speeds. Between 1901 and 1910 a total of about 760 vehicles of the Class G 5.4 were built for the Prussian state railways. The last 25 locomotives were fitted once again with an Adams axle.
In 1905 the Prussian state railways grouped six-coupled, medium-powered, goods train, tank locomotives into its Class G 3. In addition to standard locomotives, there were also 285 G 3s that were not built to German state railway norms, because they had been built, in most cases, before the foundation of the Prussian state railways.
The Prussian Class G 4 were German, six-coupled, goods train, steam locomotives with a boiler pressure of 12 bar, built primarily for the Prussian state railways. Classified by the state railway in 1905, they included 16 locomotives from the railway division of Mainz, that originally came from the Hessian Ludwigsbahn. These earlier locomotives were delivered between 1872 and 1896 and did not meet the Prussian norms.
The Prussian Class P 6s were passenger locomotives operated by the Prussian state railways with a leading axle and three coupled axles.
The Baden VI b was the first German tank locomotive with a 2-6-2 wheel arrangement. It was developed by the firm of Maffei for the Grand Duchy of Baden State Railways in order to provide faster services on the Höllentalbahn. As a result, the first six batches were given a firebox sloping to the rear. One striking feature was also the connecting pipe between the two steam domes.
The Prussian Class G 7.1 engines of the Prussian state railways were German eight-coupled, goods train, steam locomotives.
The Prussian T 9 was a class of German steam locomotive which included several types of tank engine, all with six coupled wheels and two carrying wheels operated by the Prussian state railways.
The Prussian T 14s were German, 2-8-2T, goods train, tank locomotives operated by the Prussian state railways and the Imperial Railways in Alsace-Lorraine. They were later incorporated by the Deutsche Reichsbahn into their renumbering plan as Class 93.0–4.
The Prussian G 8.2 class of locomotives actually incorporated two different locomotive types: one was the Prussian/Oldenburg G 8.2, for which the Deutsche Reichsbahn subsequently issued follow-on orders; the other was the G 8.2 of the Lübeck-Büchen Railway.
The Prussian G 5.5's were early German freight locomotives with a compound engine. Unlike the otherwise identical G 5.4 they had a leading Adams axle instead of a Krauss-Helmholtz bogie. The delivery of the G 5.5 in 1910 followed directly on from that of the G 5.4. A total of either 20 or 25 G 5.5 were built.
The Prussian T 8 were six-coupled superheated goods tank locomotives of the Prussian state railways. They were originally intended for suburban passenger service in Berlin, and for use on branch lines. Due to their poor running qualities, they were demoted to shunting and short-distance goods train service.
The Prussian G 9 was the last saturated locomotive class developed for the Prussian state railways. A total of 200 were put into service between 1908 and 1911, first by Schichau, and later by other locomotive manufacturers. Since problems arose with the G 8, the superheated steam technology was not really trusted. The chassis was taken from the G 7, whereas the larger boiler was a new design. The G 9 remained inferior to the G 8 in terms of performance. At first a number of locomotives were referred to as G 7, but they were later reclassified G 9. They mainly operated in ore traffic between the Ruhr area and the North Sea.
The Prussian G 7.3 was a class of 2-8-0 locomotives of the Prussian state railways. The third class of the G 7 series, they were intended to power heavy goods trains on steep inclines, on which the permissible axle load was not yet that high. This affected for example, the Paderborn–Holzminden and Betzdorf–Siegen routes.
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