| DRG Class 99.21 |
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The plinthed 99 211 |
| Type and origin |
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| Power type | Steam |
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| Builder | Henschel & Sohn |
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| Serial number | 21442 |
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| Build date | 1929 |
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| Total produced | 1 |
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| Specifications |
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Configuration:
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| • Whyte | 0-6-0T |
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| • UIC | C n2t |
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| • German | K 33.6 |
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| Gauge | 1,000 mm (3 ft 3+3⁄8 in) |
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| Driver dia. | 800 mm (2 ft 7+1⁄2 in) |
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| Wheelbase: | |
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• Axle spacing
(Asymmetrical) | - 1,000 mm (3 ft 3+3⁄8 in) +
- 1,000 mm (3 ft 3+3⁄8 in) =
|
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| • Engine | 2,000 mm (6 ft 6+3⁄4 in) |
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Length:
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| • Over headstocks | 5,500 mm (18 ft 1⁄2 in) |
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| • Over buffers | 6,400 mm (21 ft 0 in) |
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| Height | 3,200 mm (10 ft 6 in) |
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| Axle load | 6.1 tonnes (6.0 long tons; 6.7 short tons) |
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| Adhesive weight | 18.3 tonnes (18.0 long tons; 20.2 short tons) |
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| Empty weight | 14.8 tonnes (14.6 long tons; 16.3 short tons) |
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| Service weight | 18.3 tonnes (18.0 long tons; 20.2 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | 600 kg (1,300 lb) |
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| Water cap. | 1.8 m3 (396 imp gal; 476 US gal) |
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| Firebox: | |
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| • Grate area | 0.60 m2 (6.5 sq ft) |
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Boiler:
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| • Pitch | 1,850 mm (6 ft 7⁄8 in) |
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| • Tube plates | 2,550 mm (8 ft 4+3⁄8 in) |
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| • Small tubes | 41.5 mm (1+5⁄8 in), 90 off |
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| Boiler pressure | 14 bar (14.3 kgf/cm2; 203 psi) |
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| Heating surface: | |
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| • Firebox | 2.66 m2 (28.6 sq ft) |
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| • Tubes | 26.40 m2 (284.2 sq ft) |
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| • Total surface | 29.06 m2 (312.8 sq ft) |
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| Cylinders | Two, outside |
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| Cylinder size | 310 mm × 400 mm (12+3⁄16 in × 15+3⁄4 in) |
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| Valve gear | Heusinger (Walschaerts) |
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| Train brakes | Knorr compressed air |
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| Parking brake | Counterweight brake |
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| Performance figures |
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| Maximum speed | 40 km/h (25 mph) |
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| Indicated power | 140 PS (103 kW; 138 hp) |
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|
| Career |
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| Numbers | 99 211 |
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| Locale | Wangerooge |
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| Delivered | 1929 |
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| Retired | 1960 |
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| Disposition | Preserved, on static display |
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Built in 1929 by German locomotive builder Henschel & Son, the Deutsche Reichsbahn Class 99.21 was a unique narrow gauge 0-6-0T steam tank locomotive built for the Wangerooge Island Railway on Wangerooge, one of the German-owned Friesian islands in the North Sea.
