The Prussian G 12.1 was a German steam locomotive built for the Prussian state railways during the First World War and was the largest Prussian freight locomotive with a 2-10-0 wheel arrangement. It had three cylinders, the two outer ones driving the third axle and the inner one the second axle.
Quick Facts Prussia, Alsace-Lorraine G 12.1DRG Class 58.0SNCF 1-150.B Belgian State Railways Type 92, Type and origin ...
Prussia, Alsace-Lorraine G 12.1 DRG Class 58.0 SNCF 1-150.B Belgian State Railways Type 92 |
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Type and origin |
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Builder | Henschel |
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Build date | 1915–1917 |
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Total produced | 33 |
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Specifications |
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Configuration:
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• Whyte | 2-10-0 |
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• German | G 56.17 |
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Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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Leading dia. | 1,000 mm (3 ft 3+3⁄8 in) |
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Driver dia. | 1,400 mm (4 ft 7+1⁄8 in) |
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Length:
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• Over beams | 20,340 mm (66 ft 8+3⁄4 in) |
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Axle load | 17.1 t (16.8 long tons; 18.8 short tons) |
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Adhesive weight | 84.3 t (83.0 long tons; 92.9 short tons) |
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Service weight | 98.8 t (97.2 long tons; 108.9 short tons) |
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Water cap. | 21.5 m3 (4,700 imp gal; 5,700 US gal) |
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Boiler pressure | 14 kgf/cm2 (1.37 MPa; 199 lbf/in2) |
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Heating surface: | |
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• Firebox | 3.28 m2 (35.3 sq ft) |
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• Evaporative | 195.63 m2 (2,105.7 sq ft) |
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Superheater:
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• Heating area | 77.72 m2 (836.6 sq ft) |
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Cylinders | 3 |
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Cylinder size | 560 mm (22+1⁄16 in) |
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Piston stroke | 660 mm (26 in) |
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Performance figures |
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Maximum speed | 60 km/h (37 mph) |
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Indicated power | 1,203 kW 1,640 PS (1,210 kW; 1,620 hp) |
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Career |
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Numbers | - Erfurt 5551–5554
- Cassel 5551–5555
- Saarbrücken 5551–5562
- EL 5551–5562
- DRG 58 001 – 58 015
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Retired | 1957 |
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