sentences:  New Zealand EA class locomotive
  
  The New Zealand EA class (EO from 1968) of electric locomotives were used on the New Zealand rail network between 1968 and 1997 on the OtiraArthur's Pass section of the Midland line in the South Island, through the Otira Tunnel.Following reconditioning, three were used by KiwiRail's Tranz Metro in Wellington from 2008 to 2011 to top and tail Metlink suburban passenger trains as an interim measure before new rolling stock arrived.