DRG Class 24

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DRG Class 24
DRG 24 009.jpg
24 009
Type and origin
BuilderSchichau, Hanomag, Henschel, Krupp, Borsig
Build date1928 - 1939
Total produced95
Specifications
Configuration:
 • Whyte2-6-0
 • GermanP 34.15
Gauge1,435 mm (4 ft 8+12 in)
Leading dia.850 mm (33.46 in)
Driver dia.1,500 mm (59.06 in)
Length:
 • Over beams16,955 mm (55 ft 8 in)
Axle load148.1 kN (33,300 lbf)
Adhesive weight443.3 kN (99,700 lbf)
Service weight562.9 kN (126,500 lbf)
Tender type3T 16 and 3T 17 (The DB's 24 061 had a 2`2 T26)
Fuel capacity6 t (5.9 long tons; 6.6 short tons) coal
Water cap.16 m2 (170 sq ft)
Boiler pressure137 N/cm2 (199 psi)
Heating surface:
 • Firebox
2.04 m2 (22.0 sq ft)
 • Evaporative104.48 m2 (1,124.6 sq ft)
Superheater:
 • Heating area37.34 m2 (401.9 sq ft)
Cylinder size500 mm (19.69 in)
Piston stroke660 mm (25.98 in)
Valve gearWalschaerts with Kuhn slides
Loco brakeautomatic, single-chamber, Knorr compressed-air brakes, operating on coupled and carrying wheels from the front
Auxiliary brakeyes
Parking brakeyes
Performance figures
Maximum speed90 km/h (56 mph)
Indicated power920 PS (677 kW; 907 hp)
Career
Retired1972

The DRG Class 24 steam engines were German standard locomotives (Einheitslokomotiven) built for the Deutsche Reichsbahn between 1928 and 1939 to haul passenger trains.

History[]

These engines, nickname the 'prairie horse' (Steppenpferd) were developed specially for the long, flat routes in West and East Prussia. 95 examples were built by the firms of Schichau, Linke-Hofmann and others. The two units with operating numbers 24 069 and 24 070 were supplied by Borsig with a medium pressure boiler. These locos ran with a boiler overpressure of 245.1 N/cm2 (355.5 psi), but were rebuilt in 1952.

The Deutsche Bundesbahn took over 38 locomotives and retired them by 1966. The last one with the DB was locomotive number 24 067, which was stabled in Rheydt and taken out of service there in August 1966. The engines were given operating numbers 24 001 to 24 095.

Engine numbers 24 002, 004, 009, 021 and 030 were left with the DR after the Second World War. They were all stabled in Jerichow shed in 1960 and their sphere of operations until 1968 was the branch line network of the in Genthin. No. 24 009 was re-numbered in 1970 to 37 1009 and was used as a reserve breakdown engine in Güsten and Stendal. In 1972 it was sold to the West German railway magazine Eisenbahn-Kurier.

Thirty-four locomotive remained in Poland after the Second World War, where PKP classified them as Oi2. They served until the last one was withdrawn in 1976. One of the preserved locomotives in Germany, no. 24 083, had been in service in Poland.

The locomotives were equipped with 3 T 16 and 3 T 17 tenders.

Four Class 24 locomotives have been preserved: three in Germany (24 004, 24 009 and 24 083), and one in Poland (Oi2-29).

See also[]

Literature[]

  • Klaus-Detlev Holzborn (2015): Der Sonderling 24 061. In: Eisenbahn-Magazin. Nr. 7, ISSN 0342-1902, S. 14.
  • Wenzel, Hansjürgen (2012). Die Baureihe 24. Die kleinste Einheits-Schlepptenderlok (in German). Freiburg: EK-Verlag. ISBN 3-88255-124-0.
  • Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1976). Dampflokomotiven deutscher Eisenbahnen, Baureihe 01–39 (EFA 1.1) (in German) (3rd ed.). Düsseldorf: Alba Buchverlag. pp. 184–187. ISBN 3-87094-081-6.
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