NZR EO class (1923)

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NZR EO class (1923)
Power type Electric
Builder English Electric, United Kingdom
Build date 1923
UIC classification Bo-Bo
Gauge 3' 6" ft, 1067mm
Length 11.7 m
Total weight 50 t
Electric system Otira Tunnel 1,500 V DC
Traction motors 4
Top speed 64 km/h
Power output 510 kW / 688 hp
Tractive effort 63 kN
Career New Zealand Railways
Class EO
Number in class 5
Number 2 - 6
Locale Otira - Arthur's Pass
First run 1923
Last run 1968
Disposition Withdrawn; 1 preserved

The NZR EO class of 1923 were electric locomotives used on the steep Otira to Arthur's Pass section of the Midland Line. They were primarily for pulling trains through the 8.5 km Otira Tunnel to avoid the buildup of steam, smoke and soot.

There were replaced in April 1968 by the EA class locomotives. One was preserved at the Ferrymead Railway.

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[edit] References

  • Pasrsons, David, New Zealand Railway Motive Power 2002, (2002), Chapter 1, ISBN 0-908573-78-2