The DRG Class 99.10, formerly the Palatine Class Pts 3/3 H of the Palatinate Railway, was a German narrow gauge steam locomotive. It was the superheated version of the PtS 3/3 N. Unlike the saturated steam version the upper section of these engines was no longer glazed, otherwise they were broadly identical. They could carry up to 2.0 m3 of water and 1.2 t of coal.

Palatine Pts 3/3 H
DRG Class 99.10
Type and origin
Power typeSteam
BuilderKrauss
Serial number7987–7989
Build date1923
Total produced3
Specifications
Configuration:
 • Whyte0-6-0T
 • UICC h2t
 • GermanK 33.8
Gauge1,000 mm (3 ft 3+38 in)
Driver dia.845 mm (2 ft 9+14 in)
Wheelbase:
 • Engine1,800 mm (5 ft 10+34 in)
Length:
 • Over buffers5,945 mm (19 ft 6 in)
Axle load8.07 t (7.94 long tons; 8.90 short tons)
Adhesive weight24.2 t (23.8 long tons; 26.7 short tons)
Service weight24.2 t (23.8 long tons; 26.7 short tons)
Fuel typeCoal
Fuel capacity1,200 kg (2,600 lb)
Water cap.2.0 m3 (440 imp gal; 530 US gal)
Firebox:
 • Grate area0.85 m2 (9.1 sq ft)
Boiler:
 • Pitch1,950 mm (6 ft 4+34 in)
 • Tube plates2,500 mm (98+38 in)
 • Small tubes44.5 mm (1+34 in), 73 off
 • Large tubes108 mm (4+14 in), 12 off
Boiler pressure12 bar (12.2 kg/cm2; 174 lbf/in2)
Heating surface:
 • Firebox3.52 m2 (37.9 sq ft)
 • Tubes and flues31.5 m2 (339 sq ft)
 • Total surface35.02 m2 (377.0 sq ft)
Superheater:
 • Heating area10.14 m2 (109.1 sq ft)
CylindersTwo
Cylinder size350 mm × 350 mm (13+34 in × 13+34 in)
Valve gearWalschaerts (Heusinger)
Performance figures
Maximum speed30 km/h (19 mph)
Career
Numbers
  • Pflaz: XXXI–XXXIII
  • DRG: 99 101 – 98 103
Retired1956–1957

After the formation of the Deutsche Reichsbahn the engines were taken over and given numbers 99 101 to 99 103. They were retired on 19 April 1956 and 16 August 1957.

See also

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References

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  • Schnabel, Heinz (1987). Eisenbahn-Fahrzeug-Archiv Band 2.5: Lokomotiven bayerischer Eisenbahnen (in German). Düsseldorf: Alba Publikation Alf Teloeken GmbH + Co KG. pp. 302–303, 391. ISBN 3-87094-105-7.
  • Weisbrod, Manfred; Petznik, Wolfgang (1981). Dampflokomotiven deutscher Eisenbahnen, Baureihe 97–99 (EFA 1.4) (in German) (2nd ed.). Düsseldorf: Alba. pp. 112–114. ISBN 3-87094-087-5.