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Imperial-Royal State Railways and Austrian Southern Railway class 180
Czechoslovak State Railways class 523.0, Italian State Railway class 477, Yugoslav Railway class 135, Polish State Railways Tw11 and Romanian Railway class 180
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Austria-Hungary | 1901
266 produced
180.06
180.06
Die Lokomotive, April 1916

Since the eight-coupled steam locomotives around the turn of the century were no longer sufficient for the coal trains on the 3.7 percent of the Prague-Dux railway and on other north Bohemian lines, the kkStB needed a more powerful locomotive. Gölsdorf had already designed eight-coupled locomotives where he applied his system of transversely flexible axles. Now, with the 180, he introduced the first ten-coupled locomotives, where this system was also practical on lines with tight curves.

In order to be able to negotiate curves of up to 180 meters without any problems, the first, third and fifth axles were designed with lateral play. The lateral play was 26, 20 and 26 millimeters on each side. In order to create enough space for the wheels of the first axle, the cylinders were moved as far forward as possible. The drive had to be on the fourth axle, since the third was mounted flexibly. The crossheads were moved far back to keep the connecting rods from becoming too long.

The boiler was placed as high as possible so that the firebox could rest on the frame. It had two steam domes that were connected to each other to always ensure optimal steam extraction on ascents and descents. At 3.7 percent, the locomotives could haul 190 tonnes at 15 km/h. During test runs on a one percent stretch, 600 tons could be hauled at 35 km/h, which corresponded to an output of 1,250 hp

A total of 181 of the original class 180.0 were built until 1908. From number 95, a modified boiler was used, which had a larger grate but a smaller firebox heating surface. The Südbahn procured 27 locomotives, which were identical to the 180.0 of the state railway and were mainly used on the Semmering and Brenner railway. From 1906, the state railway had another 58 units with steam dryers manufactured, which only had one steam dome and were listed as class 180.500. They were primarily used as helper locomotives, including on the Arlberg Railway.

Since the main area of operation for the 180.0 was in northern Bohemia, a total of 105 came to the CSD after the First World War, where they were listed as series 523.0. They were simpled, redesignated 524.2 and used until the sixties. During the German occupation they had born the numbers 57 701 to 750. 50 of the kkStB and all locomotives of the Südbahn came to Italy to the FS and became class 477 there. The BBÖ was only able to keep 61 and retired most of them until 1938. After the connection to the German Reich, the nine remaining locomotives were given the numbers 57 001 to 009 for the short remainder of their service life.

Variant180.01-94180.95-181180.500-503180.505-557
General
Built1901-19061906-190819061907-1910
ManufacturerFloridsdorf, Wiener Neustadt, StEG, BMMF
Axle config0-10-0 (Ten-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Length56 ft 8 3/8 in
Length loco36 ft 4 11/16 in
Wheelbase18 ft 4 1/2 in
Rigid wheelbase9 ft 2 1/4 in
Empty weight130,073 lbs132,277 lbs134,261 lbs
Service weight144,844 lbs146,607 lbs
Adhesive weight144,844 lbs146,607 lbs
Axle load29,101 lbs29,542 lbs31,085 lbs
Water capacity4,412 us gal3,778 us gal4,227 us gal
Fuel capacity12,125 lbs (coal)15,432 lbs (coal)13,228 lbs (coal)
Boiler
Grate area32.3 sq ft36.8 sq ft
Firebox area139.9 sq ft129.2 sq ft
Tube heating area2,045.1 sq ft1,447.7 sq ft2,048.4 sq ft
Evaporative heating area2,185.1 sq ft2,174.3 sq ft1,576.9 sq ft2,177.5 sq ft
Superheater area592 sq ft76.4 sq ft
Total heating area2,185.1 sq ft2,174.3 sq ft2,168.9 sq ft2,254 sq ft
Variant180.01-94180.95-181180.500-503180.505-557
Power Plant
Driver diameter49.53 in
Boiler pressure188 psi203 psi
Expansion typecompound
Cylinderstwo, HP: 22 1/16 x 24 7/8 in
and LP: 33 7/16 x 24 7/8 in
Power
Power sourcesteam
Estimated power939 hp (700 kW)1,006 hp (750 kW)1,274 hp (950 kW)1,073 hp (800 kW)
Top speed31 mph
Starting effort27,284 lbf29,397 lbf
with start valve32,741 lbf35,276 lbf
Calculated Values
Optimal speed22 mph28 mph23 mph
steam locomotive
freight
Karl Gölsdorf
last changed: 09/2022
180.501
180.501
Locomotive Magazine, September 1907
Schematic drawing of the 180.0 with dimensions
Schematic drawing of the 180.0 with dimensions
Die Lokomotive, April 1911
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