| Prussian S 6 DRG Class 13.10–12
 PKP Pd 5
 SNCB Type 66
 | 
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| Pd 5-17 | 
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| | Specifications | 
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 | Configuration: 
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 | • Whyte | 4-4-0 | 
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 | • German | 2 24.18 | 
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 | Gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge | 
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 | Leading dia. | 1,000 mm (39.37 in) | 
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 | Driver dia. | 2,100 mm (82.68 in) | 
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 | Length: 
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 | • Over beams | 18,350 mm (60 ft 2.4 in) | 
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 | Axle load | 17.6 t (17.3 long tons; 19.4 short tons) | 
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 | Adhesive weight | 34.7 t (34.2 long tons; 38.3 short tons) | 
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 | Service weight | 60.6 t (59.6 long tons; 66.8 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 | 12 bar (1,200 kPa; 170 psi) | 
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 | Heating surface: |  | 
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 | • Firebox | 2.35 m2 (25.3 sq ft) | 
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 | • Evaporative | 136.98 m2 (1,474.4 sq ft) | 
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 | Superheater: 
 |  | 
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 | • Heating area | 40.32 m2 (434.0 sq ft) | 
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 | Cylinders | 2 | 
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 | Cylinder size | 550 mm (21.65 in) | 
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 | Piston stroke | 630 mm (24.80 in) | 
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 | 
| | Performance figures | 
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 | Maximum speed | 110 km/h (68 mph) | 
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 | Indicated power | 679 kW (911 hp) | 
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 | 
| | Career | 
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 | Numbers | DRG 13 1001–1286 | 
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 | Retired | 1931 | 
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The Prussian S 6 (later DRG Class 13.10–12) was a class of German steam locomotive with a 4-4-0 wheel arrangement operated by the Prussian state railways for express train services.