1. 
   NZR DH class
   The New Zealand DH class is a type of diesel-electric heavy transfer/shunting locomotive in New Zealand. The class consists of six heavy shunt U10B type loco built by General Electric in the US in 1978. The class are almost all used in the Auckland area for heavy shunting duties, including services...
   Found op http://en.wikipedia.org/wiki/NZR_DH_class
   
   
2. 
   NZR H class
   The NZR H class locomotive was a unique class of locomotive used by the New Zealand Railways Department on the famous Rimutaka Incline, the three-mile section of 1 in 15 gradient between Cross Creek and Summit, over the Rimutaka Ranges. The locomotives worked on the Fell mountain railway system and...
   Found op http://en.wikipedia.org/wiki/NZR_H_class
   
   
3. 
   NZR WH class
   The NZR WH class was a class of three steam locomotives built by Manning Wardle built for service on New Zealand`s private Wellington and Manawatu Railway (WMR). They did not acquire their WH classification until 1908 when the publicly owned New Zealand Railways Department (NZR) purchased the WMR a...
   Found op http://en.wikipedia.org/wiki/NZR_WH_class
   
   

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