Prussian T 14
| T 14 (Prussia, Alsace-Lorraine) DR series 93.0-4 DR series 93.8 ÖBB 693 PKP TKt1 LG T14 SNCB / NMBS Type 97 |
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.jpg) 93 023 on August 7, 1952
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| Numbering: | DR 93 001-459 |
| Number: | 497 |
| Year of construction (s): | 1914-1918 |
| Retirement: | 1971 |
| Axis formula : | 1'D1 ' |
| Gauge : | 1435 mm ( standard gauge ) |
| Length over buffers: | 13,800 mm |
| Service mass: | 97.6 t |
| Friction mass: | 63.4 t |
| Wheel set mass : | 16.9 t |
| Top speed: | 65 km / h |
| Indexed performance : | 734 kW |
| Driving wheel diameter: | 1,350 mm |
| Impeller diameter front: | 1,000 mm |
| Rear wheel diameter: | 1,000 mm |
| Cylinder diameter: | 600 mm |
| Piston stroke: | 660 mm |
| Boiler overpressure: | 12 bar |
| Grate area: | 2.49 m² |
| Superheater area : | 50.28 m² |
| Evaporation heating surface: | 126.62 m² |
The T 14 of the Prussian State Railways and the Reichseisenbahnen in Alsace-Lorraine were freight train tender locomotives with a 1'D1 ' wheel arrangement. They were later classified by the Deutsche Reichsbahn as class 93.0-4 in their numbering plan.
history
The locomotives were intended for passenger train service on the routes of the Berlin Stadtbahn, but also for heavy local freight train service. They were developed by the Union foundry in Königsberg . In doing so, they did not orientate themselves on the rather innovative test locomotive developed by Henschel ( Prussian T 14 (trial) ) from 1913, but fell back on the tried and tested construction of the G 8.1 class . The drive and drive as well as the boiler were the same apart from minor changes. The first deliveries therefore went to Berlin without exception. Later the T 14 was also procured by other directorates for freight train service on main lines and also for passenger train service. A total of 457 locomotives of this type were built for the Prussian State Railways between 1914 and 1918, and 40 locomotives of this type for the Reichseisenbahnen in Alsace-Lorraine .
The locomotives were quite efficient, but not without faults. The load distribution was particularly unfortunate. The front running axle was the most heavily loaded with an axle load of 169.7 kN (17.3 t), the driving axle the lowest with 139.3 kN (14.2 t). In addition, the somewhat scarce supplies and a certain lack of maintenance were criticized because some assemblies were difficult to access. For this reason, towards the end of the First World War, the Union design was revised and from 1918/19 only locomotives of the new type T 14.1 were procured.
400 T 14s from Prussia and 6 T 14s from the Reichseisenbahnen in Alsace-Lorraine were taken over by the Deutsche Reichsbahn as 93 001-406. The T 14 from Alsace-Lorraine had the numbers 93 094, 188-191 and 237. In 1927, two T 14s from the Farge-Vegesacker Railway were added as 93 407 and 408 and in 1935 the locomotives 93 409-417 from Saarland. During the Second World War , some vehicles from Poland and Belgium (type 97) came into the inventory of the Deutsche Reichsbahn as 93 418 - 450. After the Second World War, the Deutsche Reichsbahn lined up more T 14s, which came from France and Belgium, as 93 451–459.
The decommissioning of the Deutsche Bundesbahn was completed in 1960. The last locomotives on the Reichsbahn were still designated as the 93.8 series according to the new EDP numbering scheme from 1970. The last machine there was taken out of service in 1971.
After the Second World War, the 93 058, 324 and 405 stayed in Austria. From this, the ÖBB formed the ÖBB series 693 while retaining the serial numbers . The 693.058 was taken out of service in 1953, the two remaining machines remained in the ÖBB's inventory until 1958.
The type T 14 locomotives available in Poland were used by PKP under the designation TKt1 .
The Lithuanian State Railways (LG) took over four Polish TKt1s as the T14 series with the numbers 501 to 504 with the railways in the Wilna region in 1939 .
Preserved machines
Two machines have survived, these are:
- 93 108 as Tkt1-63 in the Museum of Vehicles and Railway Technology in Chabówka (Poland)
- 93 230 in the Dieringhausen Railway Museum (permanent loan from the Dresden Transport Museum , ex DR traditional locomotive)
literature
- Gerhard Moll , Hansjürgen Wenzel: The class 93 - the Prussian tank locomotives of the classes T 14 and T 14.1. EK-Verlag, Freiburg 1999, ISBN 3-88255-193-3
Individual evidence
- ^ Herman Gijsbert Hesselink, Norbert Tempel: Eisenbahnen im Baltikum , Verlag Lok-Report, Münster 1996, ISBN 3-921980-51-8 , pp. 52 & 71
