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Baureihe 23

The locomotives of the Baureihe 23 were passenger train locomotives of the Deutsche Bundesbahn and were intended as a replacement for the locomotives of the Prussian class P8. Since 1950, 105 copies of the newly designed series have been built. This locomotive series was the last to be built for the DB, to be precise, the 23 105 is the last DB steam locomotive built (1959).

Originated from two machines (BR 23 alt) built in 1940, which were not further developed during the war, this post-war machine is equipped with all kinds of modern gadgets. The locomotives had welded frames, boilers and tenders, unlike the riveted frames and boilers of the older DB machines. The 23-ers also got a central greasing press and a so-called Heizdampf regulator.

Until 23 052 the locomotives were fitted with plain bearings, the later locomotives got roller bearings (including coupling and connecting rod bearings). Furthermore, all locomotives were equipped with the so-called wendezug-steuerung, whereby the machines could run in pull-push combinations.

Foto: Arne Vermeulen

Foto: Bram Hakstege

Foto: Remco Pollé

Foto: Remco Pollé

Foto: Sytze Holwerda

Foto: Sytze Holwerda

Foto: Sytze Holwerda

Foto: Arne Vermeulen

Foto: VSM

Foto: Sander Clarisse

Technical specifications
Baureihe 23, einheitslocs
Inzet Personentreinen en lichte sneltreinen
Type aanduiding P 35.17
Bouwtype 1’C1’h2
Seriegrootte 105 stuks
Asindeling 1’C1
Middellijn drijf- en koppelwielen 1750 mm
Middellijn loopwiel voor 1000 mm
Middellijn loopwiel achter 1250 mm
Radstand 2000 mm
Keteldruk 1,6 MPa (=16 bar)
Waterinhoud 1,35 m3
Stoominhoud 2,85 m3
Roosteroppervlak 3,12 m2
Verwarmd oppervlak vuurkist 17,1 m2
Verwarmd oppervlak totaal 156,28 m2
Oververhitter oppervlak 73,8 m2
Stoomverdeling Huesinger (of Walscheart), Kuhnsche Schleife
Omloopsysteem Müller schuiven
Aantal cilinders 2
Middellijn cilinders 550 mm
Slaglengte cilinders 660 mm
Vermogen 1785 pk
Maximale snelheid vooruit 110 km/h
Maximale snelheid achteruit 85 km/h
Totale lengte over de buffers 21325 mm
Massa leeg 75 ton
Massa bedrijfsvaardig 132 ton
Kolenvoorraad 8 ton
Watervoorraad 31 m3
The VSM and the Baureihe 23

The VSM owns two locomotives from the Baureihe 23. The 23 071 and the 23 076, or the ‘71’ and the ‘76’ for short.

23 076 was the first 23-er to join the VSM in 1976, followed by 23 071 in 1978. 23 076 was put aside after a few years of service awaiting its overhaul. She has stood still for more than 20 years. In the summer of 2007, the machine was completely ‘reborn’ from the overhaul to return to its mileage at the VSM.

Locomotief 23 071 23 076
Bouwjaar 1956 1956
Fabrikant Jung Jung
Vermogen 1785 pk 1785 pk
Snelheid 110 (v) 85 (a)  110 (v) 85 (a)
Wanneer bij de VSM 1978 1976
Status Bedrijfsvaardig Bedrijfsvaardig
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