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DRG Class 64

DRG Class 64
Number(s): DRG 64 001–520
Quantity: 520
Year(s) of manufacture: 1928–1940
Retired: 1975
Wheel arrangement: 2-6-2T
Axle arrangement: 1'C1' h2t
Type: Pt 35.15
Gauge: 1,435 mm
Length over buffers: 12,400 mm
Service weight: 74.9 t (001–510)
75.2 t (511–520)
Adhesive weight: 45.5 t
Axle load: 15.3 t
Top speed: 90 km/h
Driving wheel diameter: 1,500 mm
Leading wheel diameter: 850 mm
Trailing wheel diameter: 850 mm
No. of cylinders: 2
Cylinder bore: 500 mm
Piston stroke: 660 mm
Boiler Overpressure: 14 bar
Grate area: 2.04 m²
Superheater area: 37.34 m²
Evaporative heating area: 104.48 m²
Water capacity: 9,0 m³
Fuel: 3.0 t coal
Brakes: K-GP
Locomotive brakes: 64 001-383 and 422-520 Knorr automatic, single-chamber, compressed-air brakes, working on front of wheels. 64 384-421 double-sided operation.
Train heating: steam

The Deutsche Reichsbahn had a standard passenger train tank engine with a wheel arrangement of 1'C1' (UIC classification) or 2-6-2 (Whyte notation) and a low axle load, which was designated in their classification system as the DRG Class 64 (Baureihe 64). The Class 64 was developed from 1926 onwards and it was built between 1928 and 1940. Many German manufacturers contributed to the series.


The boiler and elements of the driving gear were the same as those on the DRG Class 24. They had Bissel bogies, apart from ten engines which had a Krauss-Helmholtz bogie . From no. 64 368 onwards the engines were 10 cm longer than their predecessors. The Class 64 engine was given the nickname "Bubikopf" ('bob') after a fashionable ladies hairstyle of the time.


After the Second World War 393 engines were still in service of which 278 went to the Deutsche Bundesbahn and 115 to the Deutsche Reichsbahn (East Germany). No. 64 311 remained in Austria after 1945 and became class 64 (Reihe 64) with the Austrian Federal Railways (Österreichische Bundesbahnen or ÖBB). Those engines left in Poland were given the classification OKl2 by the PKP. In 1968 there were still 60 machines in service with the Bundesbahn. Twenty Class 64 locomotives have been preserved, the majority in Germany.

Preserved Locomotives

At present there are still six operational Class 64's worldwide, three of which are based in Germany:

See also

Footnotes and references


  • Peter Melcher: Die Baureihe 64 Der legendäre Bubikopf EK-Verlag Freiburg 1988 ISBN 3-88255-872-5
  • Andreas Braun: Baureihe 64 Portrait einer Deutschen Dampflokomotive Bayerisches Eisenbahn-Museum Nördlingen 1986 ISBN 3-925120-04-1
  • Horst J. Obermayer, Manfred Weisbrod: Die Baureihe 64 Eisenbahn-Journal Sonderausgabe II/98 Hermann Merker Verlag Fürstenfeldbruck 1998, ISBN not known

External links

  • DBK Historic Railway
  • Dampfbahn Fränkische Schweiz e. V.
  • There is a relevant English-language forum at Railways of Germany
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