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New Zealand Railways class E[h]O[/h]
![E[h]O[/h] 3, presumably in 1923 at Arthur's Pass](/data/photos/NZR_EO.jpg)
In 1907, the NZR started to build the Otira Tunnel in the Southern Alps to cross Arthur's Pass. As the tunnel had a length of 5.3 miles (8.5 km) and an incline of 1 in 33 (3 percent), it was unsuited for steam tractio...
General
| Property | New Zealand Railways class E[h]O[/h]Remove |
|---|---|
| Built | 1922 |
| Manufacturers | English Electric |
| Wheel arrangement | B-B |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | New Zealand Railways class E[h]O[/h]Remove |
|---|---|
| Length | 11.71 m |
| Service weight | 50 t |
| Adhesive weight | 50 t |
| Axle load | 12.5 t |
Power
| Property | New Zealand Railways class E[h]O[/h]Remove |
|---|---|
| Power source | electric - DC |
| Electric systems | 1.500 V |
| Continuous power | 507 kW (689 PS) |
| Top speed | 64 km/h |
| Starting effort | 62.3 kN |
Calculated values
| Property | New Zealand Railways class E[h]O[/h]Remove |
|---|---|
| Factor of adhesion | 1 : 7.87 |
| Power-to-weight ratio | 10.1 kW/t |
| Adhesive weight/Total | 1 : 1.00 |
