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New Zealand Railways D[h]A[/h] and D[h]C[/h] class and Electro-Motive Division G12
The first numerically larger class of diesel locomotives in New Zealand to replace significant numbers of steam locomotives was the D[h]A[/h] class. It was based on the EMD G12 in the version with four driven axles. T...
General
| Property | New Zealand Railways D[h]A[/h] and D[h]C[/h] class and Electro-Motive Division G12 Rebuilt D[h]C[/h] |
|---|---|
| Built | 1978-1981 |
| Manufacturers | Clyde Engineering, Hutt |
| Wheel arrangement | A1A-A1A |
| Gauge | 1,067 mm (Cape gauge) |
Dimensions and weights
| Property | New Zealand Railways D[h]A[/h] and D[h]C[/h] class and Electro-Motive Division G12 Rebuilt D[h]C[/h] |
|---|---|
| Length | 14.10 m |
| Service weight | 82 t |
| Adhesive weight | 60 t |
| Axle load | 15 t |
Power plant
| Property | New Zealand Railways D[h]A[/h] and D[h]C[/h] class and Electro-Motive Division G12 Rebuilt D[h]C[/h] |
|---|---|
| Engine | EMD 12-645C oder 12-645E |
| Engine type | V12 diesel |
Power
| Property | New Zealand Railways D[h]A[/h] and D[h]C[/h] class and Electro-Motive Division G12 Rebuilt D[h]C[/h] |
|---|---|
| Power source | diesel-electric |
| Indicated power | 1,062 kW (1,444 PS) |
| Top speed | 100 km/h |
| Starting effort | 140.0 kN |
Calculated values
| Property | New Zealand Railways D[h]A[/h] and D[h]C[/h] class and Electro-Motive Division G12 Rebuilt D[h]C[/h] |
|---|---|
| Factor of adhesion | 1 : 4.20 |
| Power-to-weight ratio | 13.0 kW/t |
| Adhesive weight/Total | 1 : 1.37 |
