Bavarian Pt 2/4 H

The Pt 2/4 H was a class of steam locomotive built by the firm of Krauss for the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn) between 1906 and 1908. They were used on routes in Bavaria to haul light, fast passenger trains.

Bavarian Pt 2/4 H
DRG Class 71.2
Type and origin
BuilderKrauss
Build date1906–1908
Total produced12
Specifications
Configuration:
​
 • Whyte2-4-2T
Gauge1,435 mm (4 ft 8+1⁄2 in)
Leading dia.1,006 mm (3 ft 3+5⁄8 in)
Driver dia.1,546 mm (5 ft 7⁄8 in)
Trailing dia.1,006 mm (3 ft 3+5⁄8 in)
Length:
​
 • Over beams10,700 mm (35 ft 1+1⁄4 in)
Axle load16.0 t (15.7 long tons; 17.6 short tons)
Adhesive weight31.7 t (31.2 long tons; 34.9 short tons)
Service weight60.0 t (59.1 long tons; 66.1 short tons)
Boiler pressure12 kgf/cm2 (1,180 kPa; 171 lbf/in2)
Heating surface:
 • Firebox		1.23 m2 (13.2 sq ft)
 • Evaporative67.90 m2 (730.9 sq ft)
Superheater:
​
 • Heating area19.60 m2 (211.0 sq ft)
Cylinders2
Cylinder size490 mm (19+5⁄16 in)
Piston stroke540 mm (21+1⁄4 in)
Performance figures
Maximum speed75 km/h (47 mph)
Career
Numbers
  • K.Bay.Sts.E.: 5001–5012
  • DRG: 71 201–212
Retired1948

The vehicles all had a gravity-fed firebox with a hopper over the grate for one-man operation. It was possible to access the train directly from the locomotive via doors in the front and rear walls and gangways. On several engines, the Reichsbahn later made modifications to the driver's cab.

The Deutsche Reichsbahn took all engines of this type over. The last Pt 2/4 H locomotive was retired in 1948.

See also

References
    • Hütter, Ingo (2021). Die Dampflokomotiven der Baureihen 60 bis 91 der DRG, DRB, DB, und DR (in German). Werl: DGEG Medien. pp. 71–72. ISBN 978-3-946594-21-5.
    • Weisbrod, Manfred; Müller, Hans; Petznik, Wolfgang (1978). Dampflokomotiven deutscher Eisenbahnen, Baureihe 60–96 (EFA 1.3) (in German) (4th ed.). Düsseldorf: Alba. pp. 48–50. ISBN 3-87094-083-2.
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