Bavarian Pt 2/4 N
DRG Class 72.1
Type and origin
BuilderKrauss
Build date1909
Total produced2
Specifications
Configuration:
​
 • Whyte4-4-0T
Gauge1,435 mm (4 ft 8+1⁄2 in)
Leading dia.800 mm (2 ft 7+1⁄2 in)
Driver dia.1,250 mm (4 ft 1+1⁄4 in)
Length:
​
 • Over beams9,065 mm (29 ft 9 in)
Axle load13.2 t (13.0 long tons; 14.6 short tons)
Adhesive weight26.2 t (25.8 long tons; 28.9 short tons)
Service weight39.0 t (38.4 long tons; 43.0 short tons)
Fuel capacity1,100 kg (2,400 lb)
Water cap.6 m3 (1,300 imp gal; 1,600 US gal)
Boiler:
​
No. of heating tubes155
Heating tube length3,500 mm (11 ft 5+3⁄4 in)
Boiler pressure12 kgf/cm2 (1,180 kPa; 171 lbf/in2)
Heating surface:​
 • Firebox1.22 m2 (13.1 sq ft)
 • Evaporative73.56 m2 (791.8 sq ft)
Cylinders2
Cylinder size350 mm (13+3⁄4 in)
Piston stroke500 mm (19+11⁄16 in)
Performance figures
Maximum speed65 km/h (40 mph)
Career
Numbers
  • K.Bay.Sts.E.: 6501–6502
  • DRG: 72 101 – 78 102
Retired1928

The Bavarian Pt 2/4 N was a steam locomotive with the Royal Bavarian State Railways (Königlich Bayerische Staatsbahn). It was developed in parallel with the Bavarian Pt 2/3 and for the same duties. Instead of a fixed carrying axle it was given a bogie. This change brought no advantage, so the more cost-effective Pt 2/3 was favoured. The two Pt 2/4 N engines were nevertheless taken over by the Reichsbahn, but were retired by 1928.

See also

References

    • Hütter, Ingo (2021). Die Dampflokomotiven der Baureihen 60 bis 91 der DRG, DRB, DB, und DR (in German). Werl: DGEG Medien. p. 85. ISBN 978-3-946594-21-5.
    • Weisbrod, Manfred; Petznik, Wolfgang (1981). Dampflokomotiven deutscher Eisenbahnen, Baureihe 97–99 (EFA 1.4) (in German) (2nd ed.). Düsseldorf: Alba. pp. 56–58. ISBN 3-87094-087-5.
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