New Zealand EF class locomotive

New Zealand EF class locomotive
EF 30042 in an "electric blue" livery in Feilding, following refurbishment
Type and origin
Power typeElectric
BuilderBrush Traction, Loughborough, England
Build date1986–1988
Specifications
Configuration:
​
 • UICBo′Bo′Bo′
Gauge1,067 mm (3 ft 6 in)
Length:
​
 • Over couplers19.61 metres (64 ft 4 in)
 • Over body18.56 metres (60 ft 11 in)
Width2.7 metres (8 ft 10 in)
Height:
​
 • Pantograph3.95 metres (13 ft 0 in)
 • Body height3.915 metres (12 ft 10.1 in)
Loco weight107 t (105 long tons; 118 short tons)
Electric system/s25 kV 50 Hz AC overhead
Current pickup(s)Pantograph
Traction motors6 × 500 kW (670 hp) DC motor
Performance figures
Maximum speed105 km/h (65 mph)
Power output3,000 kW (4,000 hp) (continuous)
Career
ClassEF, previously Class 30
Number in class22
Numbers30007 – 30249
NicknamesToasters
LocaleNorth Island Main Trunk between Palmerston North and Te Rapa
First run24 June 1988 – February 1989
Disposition
  • 4 in service
  • 6 under overhaul
  • 3 laid up
  • 4 scrapped

The New Zealand EF class locomotive (originally Class 30) is a class of 25 kV 50 Hz AC electric locomotives that operate on the North Island Main Trunk (NIMT) between Palmerston North and Te Rapa in New Zealand. Built by Brush Traction in Loughborough, England between 1986 and 1988 to run on the new electrified central section of the NIMT, at 3,000 kilowatts (4,000 hp), they are the most powerful locomotives to operate in New Zealand (equalled by the DM class diesel locomotives introduced in 2025).

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