1875 0-4-2T New Zealand steam rack locomotive
| NZR H199 Mount Cenis |
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 H199 in the Fell Engine Museum |
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| Specifications |
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Configuration:
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| • Whyte | 0-4-2T |
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| Gauge | 3 ft 6 in (1,067 mm) |
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| Driver dia. | 32 in (813 mm) driving
23.5 in (597 mm) adhesion |
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| Wheelbase | 14 ft 3 in (4.34 m) |
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| Length | 24 ft 1 in (7.34 m) |
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| Loco weight | 39.8 long tons (40.4 t; 44.6 short tons) |
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| Fuel type | Coal |
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| Fuel capacity | 0.5 long tons (0.51 t; 0.56 short tons) |
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| Water cap. | 714 imp gal (3,250 L; 857 US gal) |
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| Boiler pressure | 160 psi (1,100 kPa) |
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| Cylinders | Four, two driving, two adhesion |
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| Cylinder size | 14 in × 16 in (356 mm × 406 mm) driving
12 in × 14 in (305 mm × 356 mm) adhesion |
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| Valve gear | Stephenson |
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| Performance figures |
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| Maximum speed | 15 mph (24 km/h) |
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| Tractive effort | 12,550 lbf (55.8 kN) driving
1,000 lbf (49 kN) adhesion |
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| Career |
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| Restored | 1989 |
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| Disposition | Preserved |
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NZR H199 Mount Cenis is a preserved NZR H class 0-4-2T steam locomotive. It is the only surviving rack locomotive in New Zealand and the only surviving steam locomotive to use the fell rack system in the world. The locomotive is preserved at the Fell Engine Museum in Featherston.
