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Mecklenburg P 3.1

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Mecklenburg VI
Mecklenburg P 3.1
DRG Class 34.73
Prussian P 3.1 No. 323 of the Magdeburg Division
Type and origin
Builder
Build date1888–1907
Total produced41
Specifications
Configuration:
 • Whyte2-4-0
Gauge1,435 mm (4 ft 8+12 in)
Leading dia.1,150 mm (3 ft 9+14 in)
Driver dia.1,750 mm (5 ft 9 in)
Length:
 • Over beams14,793 mm (48 ft 6+12 in)
Axle load12.35 tonnes (12.15 long tons; 13.61 short tons)
Adhesive weight24.70 tonnes (24.31 long tons; 27.23 short tons)
Service weight36.52 tonnes (35.94 long tons; 40.26 short tons)
Boiler pressure12 kgf/cm2 (1,180 kPa; 171 lbf/in2)
Heating surface:
 • Firebox1.87 m2 (20.1 sq ft)
 • Evaporative96.43 m2 (1,038.0 sq ft)
Cylinder size400 mm (15+34 in)
Piston stroke560 mm (22+116 in)
Performance figures
Maximum speed90 km/h (56 mph)
Career
Numbers
  • MFFE: 101–141
  • DRG: 34 7301 – 34 7308, 34 7351 – 34 7364

The steam locomotives of DRG Class 34.73, formerly the Mecklenburg Class P 3.1 were passenger train locomotives operated by the Grand Duchy of Mecklenburg Friedrich-Franz Railway and were based on the Prussian P 3.1. They were sometimes used in express train services to begin with. Of the 41 examples belonging to this administration, which were built between 1888 and 1908, two originally came from the Lloyd Railway (Neustrelitz-Warnemünde). One improvement over the Mecklenburg P 2 was the braked coupled axle.

Twenty two of these locomotives were taken over by the Deutsche Reichsbahn, where they were given the running numbers 34 7301–34 7308 and 34 7351–34 7364. These engines were exclusively vehicles from the Friedrich-Franz Railway.

The engines were equipped with Prussian tenders of Class pr 3 T 10.5.

Liesel 22-10-2010 pr. P 3.1 2No. 246

See also

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References

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  • Pierson, Kurt (1981). Die Preußischen Dampflokomotiven 1850–1922 (in German). Stuttgart: Motorbuch Verlag. ISBN 3-87943-813-7.[page needed]
  • Wagner; Bäzold; Zschech; Lüderitz (1990). Lokomotiven preußischer Eisenbahnen - Schnellzug und Personenzuglokomotiven. Eisenbahn-Fahrzeug-Archiv Band 2.3.1 (in German). Berlin: transpress. ISBN 3-87094-133-2.[page needed]
  • Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1976). Dampflokomotiven deutscher Eisenbahnen, Baureihe 01–39 (EFA 1.1) (in German) (3rd ed.). Düsseldorf: Alba Buchverlag. pp. 191–192. ISBN 3-87094-081-6.