| Specifications |
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Configuration:
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| • Whyte | 2-8-0 |
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| • UIC | 1′D h2 |
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| • German | - 25 001: P 45.17
- 25 1001: P 45.18
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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. | 1,600 mm (5 ft 3 in) |
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| Tender wheels | 1,000 mm (3 ft 3+3⁄8 in) |
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| Wheelbase: | |
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• Axle spacing
(Asymmetrical) | - 3,100 mm (10 ft 2 in) +
- 2,600 mm (8 ft 6+3⁄8 in) +
- 2,000 mm (6 ft 6+3⁄4 in) +
- 2,000 mm (6 ft 6+3⁄4 in) =
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| • Engine | 9,700 mm (31 ft 9+7⁄8 in) |
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| • Tender | - 2′2′ T 30: 5,800 mm (19 ft 3⁄8 in)
- 2′2′ T 27.5 Kst: 6,830 mm (22 ft 4+7⁄8 in)
- 2′2′ T 28 Kst: 5,700 mm (18 ft 8+3⁄8 in)
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| • Tender bogie | 1,900 mm (6 ft 2+3⁄4 in) |
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| • incl. tender | - 25 001: 18,765 mm (61 ft 6+3⁄4 in)
- 25 1001: 19,885 mm (65 ft 2+7⁄8 in)
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Length:
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| • Over buffers | - 25 001: 22,695 mm (74 ft 5+1⁄2 in)
- 25 1001: 23,835 mm (78 ft 2+3⁄8 in)
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| Height | 4,475 mm (14 ft 8+1⁄8 in) |
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| Axle load | - 25 001: 17.6 t (17.3 long tons; 19.4 short tons)
- 25 1001: 18.0 t (17.7 long tons; 19.8 short tons)
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| Adhesive weight | - 25 001: 70.4 t (69.3 long tons; 77.6 short tons)
- 25 1001: 72.0 t (70.9 long tons; 79.4 short tons)
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| Empty weight | - 25 001: 77.3 t (76.1 long tons; 85.2 short tons)
- 25 1001: 79.6 t (78.3 long tons; 87.7 short tons)
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| Service weight | - 25 001: 86.1 t (84.7 long tons; 94.9 short tons)
- 25 1001: 89.0 t (87.6 long tons; 98.1 short tons)
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| Tender type | - 25 001: 2′2′ T 30
- (as 25 1002: 2′2 T 28 Kst)
- 25 1001: 2′2′ T 27.5 (Kst)
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| Fuel type | - 25 001: Hard coal
- (as 25 1002: brown coal dust
- 25 1001: brown coal dust
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| Fuel capacity | - 25 001: 10 t (9.8 long tons; 11 short tons)
- 25 1001: 26 m3 (920 cu ft) – c. 18.5 t (18.2 long tons; 20.4 short tons)
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| Water cap. | 27.5–30.0 m3 (6,000–6,600 imp gal; 7,300–7,900 US gal) |
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| Firebox: | |
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| • Grate area | - 25 001: 3.87 m2 (41.7 sq ft)
- 25 1001: 3.76 m2 (40.5 sq ft)
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Boiler:
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| • Tube plates | - 25 001: 4,700 mm (15 ft 5 in)
- 25 1001: 4,350 mm (14 ft 3+1⁄4 in)
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| • Small tubes | - 25 001: 51 mm (2 in), 132 off
- 25 1001: 44.5 mm (1+3⁄4 in), 146 off
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| • Large tubes | 133 mm (5+1⁄4 in), 35 off |
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| Boiler pressure | 16 bar (16.3 kgf/cm2; 232 psi) |
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| Heating surface: | |
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| • Firebox | - 25 001: 17.5 m2 (188 sq ft)
- 25 1001: 20.0 m2 (215 sq ft)
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| • Tubes | - 25 001: 89.7 m2 (966 sq ft)
- 25 1001: 78.8 m2 (848 sq ft)
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| • Flues | - 25 001: 64.6 m2 (695 sq ft)
- 25 1001: 59.8 m2 (644 sq ft)
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| • Total surface | - 25 001: 171.8 m2 (1,849 sq ft)
- 25 1001: 158.6 m2 (1,707 sq ft)
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Superheater:
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| • Heating area | - 25 001: 61.0 m2 (657 sq ft)
- 25 1001: 65.0 m2 (700 sq ft)
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| Cylinders | Two, outside |
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| Cylinder size | 600 mm × 660 mm (23+5⁄8 in × 26 in) |
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