NZR DH class
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| NZR DH class | |
| Power type | Diesel-Electric |
|---|---|
| Builder | General Electric, United States |
| Build date | 1978 |
| UIC classification | Bo-Bo |
| Length | 11.2 m |
| Total weight | 54t |
| Prime mover | Caterpillar D398; V12 |
| Top speed | 112 km/h |
| Power output | 672 kW (900 hp) |
| Tractive effort | 146 kN |
| Career | New Zealand Railways, Tranz Rail, Toll Rail |
| Number in class | 6 |
| Number | TMS: 2816 - 2868 Early: 900 - 905 |
| Locale | Upper North Island of New Zealand, mainly Auckland |
| First run | 1978 |
| Disposition | All in service |
The DH class is a type of diesel-electric shunting locomotives used in New Zealand. The class consists of six heavy shunt U10B type locomotives built by General Electric of the USA in 1978. The class are almost all used in the Auckland area for heavy shunting duties, including services to the Port of Auckland.
The class should not be confused with the English Electric DH class of 1956; as all of the old DHs had been reallocated DG in 1968, the classification was re-used.
