Locomotive 01 1075

The German 0110 express passenger locomotives have a Pacific-type wheel arrangement. This can also be described as 4-6-2, i.e. 2 sets of running wheels in a bogie in front followed by 3 sets of driving wheels and another running set behind. The 0110 is a three cylinder locomotive type of which 55 were built by Berliner Maschinenbau AG, formerly L Schwartzkopf. All machines were supplied with a stream-lined casing which attracted a lot of publicity.

SSN locomotive 01 1075 passing Woerden
Made by: R.C. Grootveld

The 01 1075, waiting at Utrecht Central station
Made by: R.C. Grootveld


The streamlining also had practical advantages; more efficiency and a higher top speed by means of lower air resistance. However, the advantages were outweighed by the disadvantages. The middle cylinder was difficult to access for lubrication as were many other oiling points. In addition, parts of the motion could overheat as they were not being exposed to air cooling. Finally it became difficult to maintain the locomotives during and immediately after the war, so that it is not surprising that the streamlining was removed in the post-war period.

Signals of fatigue

At the beginning of the 1950s it was discovered that the boilers were showing signs of fatigue. As the machines were essential in service it was decided to replace the boilers by a newer welded model in 1953. In addition, 34 engines, including 01 1075 were fitted with an oil burning installation from 1957. In continuous operation, an oil burner has a number of advantages over a coal-buring engine. Oil contains more calories than coal and, furthermore, it is easier to adjust the heat supply to match the rate at which steam is being used. If the steam pressure becomes too high in a coal burner you cannot just turn off the fire. When the pressure becomes too high the safety valves will open and steam is lost. With an oil burner you just shut off the supply of oil.

After the war

After the war, the locomotives were based in the depots of Kassel, Frankfurt, Hamburg-Altona and Osnabrück. The last remaining examples were based in Rheine and ran along the line from Muenster to Emden and Norddeich. This line is 143 Kms long for which the 01 10s needed only 80 minutes. The final 8 locomotives were taken out of service in June 1975 and this was the end of the last passenger express Pacifics in Western Europe.

At the SSN

The SSN was fortunate to be able to secure an example of these mighty machines.
However, the engine had to wait until 1991 before it was decided to give 01 1075 a full overhaul. This was carried out by the Reichsbahn Ausbesserungswerk Meiningen, located in the former DDR. The engine returned from there in May 1992 and since then has hauled numerous main line excursions both in Holland and abroad. During the overhaul, the oil burning installation was removed and the locomotive now runs on coal again.

After a large overhaul, which lasted several years, the SSN is the proud owner of a fully operational 0110, one of only 4 working examples out of a total of 9 preserved. The other 0110s are all preserved in Germany; some in private hands, some in the hands of the Deutsche Bahn AG and a few examples on a plinth. Recently, 01 1102, which spent years on a plinth in Bebra, was given a full overhaul and even had its streamlining reinstated..

Technical data:

Serie: BR 0110
Type: 2' C 1' h3
Year of manufacture: 1940
Manufacturer: Schwartzkopf
Manufacture number: 11 331
Length over all: 24.13 m
Driving wheel diam: 2000 mm
Maximum axel load: 20.20
Cylinders: number: O x stroke: 3: 500 x 660
Grate area: 3.96 m2
Heating area: 206.50 m2
Boiler pressure: 16.0 bar
Max power: 2350 pki / 1762.5 kWi
Maximum speed (f/b): 140 / 45 kmh
Water capacity: 38.0 m3
Fuel (coal): 10.0 T
History: 1940 - 1949 DR 01 1075 1949 - 1969 DB 01 1075 1969 - 1975 DB 012 075-8 1976 > SSN

©Deutsche Bahn AG, Dienststelle Bildung